watching this guy trace out a blown component out of a zillion microscopic components amazes me I love building and trouble shooting pc's since i was a young man and to watch and learn the circuitry thanks for also helping the planet and keeping these cards out of the trash what a pro
Damn. Have u finished electronic engineer in university or something? The way you backtracked this issue without schematics or board view is amazing. Don't stop posting videos, u making a big difference.
If your measure of performance is the number of years spent in a classroom, you have a lot to learn. You can spend all that time and money and still not have the reasoning ability or the common sense to do what this kid does.
@@Friend_of_the_One-Eyed_Ladies And the way you assume things makes you look like an idiot. Some folks finish school in 1/10th the time due to logic and understanding aside from being smart. Yet, you took the OPs post and want to belittle him further more making you look like moron. Good job! You measure peoples intelligence based off your ignorant assuptions?
Such a totally underrated content creator. I've been struggling to find any english speaking GPU repair channels , mostly are russians . IMO the very few english speaking channels that do repairs are far less this involved when compared to Tech Cemetery. I sincerely hope that this channel succeeds .
Damn! I've just found your channel and have been binge watching for a few days now! I've always wanted to learn how to repair graphics cards and your channel is a fantastic source for beginners! Good Job!
Nice one! I always look forward to your videos and you never disappoint. I never realised the enable signals were so complicated on these cards, with the latching transistors and whatnot. On most of the laptops I fix the enable signals just come either straight from PGOOD of another power rail, from some logic gate or other big chips like the SMC on macbooks. Also shame about that PWM pin, crazy to think that they have a pin like that connected straight to the GPU die with no protection at all, where a bad fan cable or unfortunate accident could fry the whole thing. Ah well, still a great repair as always, keep them coming!
these videos always fascinate me cause not a lot of people try this. ive tried fixing my 970 from watching your videos and even though i ended up killing it i still learned alot. keep up the good content
You can lower the fan speed using a resistor that can lower 12v to 7v or 5v. Or better option is to use 12v buck convertor that is adjustable so you can adjust the output voltage so it can be mounted to the graphic card via hot glue
You could have spreadsheet for the voltage and ohm reading for each mainstream gpu starting with 1060 😀 I especially am getting into gpu repairing out of curiosity and by your videos you make it look easy
One could fix the fan issue by adding a small micro-controller (such as attiny85) with a thermistor attached to the GPU heatsink. It could monitor the temperature and provide a PWM signal for the fan to run at the proper speed.
1. your customer has too much money to spend if he faff around with a Titan 1080! 2. HOW can you do this without schematics!!!! I am more than impressed.
I think what you're describing is a fault detection circuit. So the 2n7002 generic N-channel FET is part of a fault detection circuit that connects to the enable line. The circuit checks to see certain voltages and signals are present and either pulls the line up or down...
Got so excited when I heard you were releasing another video to explain the enable pin! Was curious, how do you trace the different components like what you did? And how do you know what those exact components are?
I used continuity mode to trace the components, and I know what those components are by googling the markings on them - some of them took a while to find.
@@TechCemetery Unfortunately, marking codes are not unique...so the same, say 3 (or 2) mixing of letters and numbers does not identify a single component but it can belong to very different semiconductors, for example an OP AMP, a Voltage Regulator or a Digital Gate. It takes a lot of time and patience along with knowledge!! Bravo! Regards from Italy.
@@TechCemetery Does that mean you check every single minuscule component on the board to find where the signal goes (some end up on the other side or other end!)?? Or maybe you're using some sort of tools - like a spread bunch of copper wires connected to your probe and then "brushed" on the board to find the area where to focus the more manual and accurate probing? It's impressive regardless.
Been watching your channel and learning lots. Like the fact these checks apply to many cards. About schematics, how does one find schematics for a EVGA reference 980Ti board? Google search doesn't reveal much. Thanks.
Did you test the fan on a known good control circuit? Might have been the fan's onboard PWM circuit that got fried. Did you manually test to see if you had a pulse on the PWM line? You could also try a different blower on this card, see if you get a tach signal. I had a GTX 1060 where the guy had actually plugged the 4-pin fan connector in backwards, yet everything survived.
Hi, thanks for videos help me to fix some gpus, now i´ve the same problem with my EVGA 1080ti, the card have 5V, 1.8V, and UP9511 (Enable Signal: 2.38V, Vref: 2V, Vinmon: 1.2v ) but no PWM out signal, Nvvdd or Powergood signal, i replaced the Up9511 from a working card, but i cant start the UP controller.
Hey man thanks for the video, I have exactly the same problem with the fan pwm always at 100% is there an easy solution ? I'm thinking of adding an external pwn generator to control fan speed, what do you think ?
Why don't they put fuse in graphic card for 12v rail?, the only graphic card i have seen use fuse is sapphire and its easy to fix, sending 12v directly to gpu surely can damage the die chip, even after fix it, it will slowly die
Have you tried running MATs?, there's a version I've been given recently that'll help with cards that artifact, unfortunately it's about 60gb compressed. There will be a guide video on it sooner or later.
Hi there. You said that the fan at full speed indicates a dead GPU. Is that also the case when the GPU doesn't even get hot when switched on? I was under the impression that in that case the problem would likely be elsewhere on the board, like vrm.
Hi, lets talk coil whine for a moment! So Zotac GTX 1080 8GB mini and it supposedly has whine! Now is there something I should be aware of as I'm thinking of buying it used! Do I worry there's underlaying issues? Do I look to correct the whine with software? Do I care about it because likely it's inherent in most/all cards?
In my experience, a large amount of coil whine can be caused by a powerstage/MOSFET not functioning where the rest of the components then have to pick up the slack. Note this is very rare, most coil whine is just annoying with no real indication of the cards functionality.
@@TechCemetery Thanks for the info! I'll go ahead and pickup the card as it's only 200 bucks Canadian and these days it's near impossible to get any card that's decent without losing the bank!
PS I bought the card (2 months ago) and been running it daily since as I usually play a few hours of Rocket League at the most daily and the whine is barely barely noticeable. I guess you can say it has it if you put your ear right to the rear of the PC but otherwise it's non existent to me!
Good Video, i have a EVGA Titan X Video Card, when i put it on my PC wont power on , and i need to repair, am from Mexico, can i send you the card ? i really need it repair it :( i can find a place that make this work !
impressive work ! please tell me how you manage to trace link from 2 diodes to faulty transistor on the other side of the board without any schematics?
buen video amigo los mod para ver si tienes memorias dañadas cada mod es para una sola tarjetas grafica nvidia o es en general y si hay mod para revisar graficas msi
I think i found my 1070’s issue dead capacitor Bridged the connectors and all the inductors turned on where-as before all of them where off My issue is trying to get 270uf 16v SMD capacitors without paying more for shipping than the capacitors It took a few hours to find it i checked everything over and over and over and couldn’t figure it out, then went screw it are these caps fine, 1/4 dead 3/4 fine, issue found
Yes, I expect the GPU to die relatively soon. These GPUs have several parts to them, there's a memory controller, a core, a PCI express controller, and of course a PWM/TACH portion to deal with fan control. My conclusion is the fan control portion is dead.
@@TechCemetery I bought it as not working. The guy told me that the technician said the core was dead. I tried new BIOS chip but nothing changed. Here's other resistances: 5V - 1.28kΩ, PEX - 50Ω, MEM - 38Ω (this is quite lower than your measurement). Maybe some problem with memory? But MATS refuses to run with this card. In Windows in device manager I can see it as TITAN X (Pascal) with code 43. And GPU-Z shows some info.
@@TechCemetery Could it be because the new BIOS chip is Winbond 25X20CLNIG witch is rated at 2.5-3.3V? Now I have found that the supply voltage on this card is only 1.8V.
Just to save me some time digging through pile of unsuccessful repair attempts - can same circuit somehow be related with card that doesn't see external power supply as connected even with all main component on that rail (ina, controll IC, drivers, mosfets etc) good?
@@TechCemetery too bad, first time for me also to see something like that but GPUs are far from my expertise anyway so I was hopping you see something like that before. Card was previous repaired (PCB damage after some caps burnout) but this doesn't seems to have connection with that. It worked normally for few days just to one day during post give messege about PCIe power isn't connected (like when you forget to plug in cable). I found more people with exact same problem googling a issue but all old posts on non-technical forums with typical "did you try to turn it off and on again" advice's. My first suspect was power monitoring IC but after checking it and every component around it without success I give up (of course not before I give a card 15 minute blank stare treatment but it just refuse to be repaired that way :)). Maybe on some rainy day I'll try to pinpoint problem again.
@@gorjy9610 Usually there's a transistor behind the 8 pin or next to the pin that's responsible for detecting the PCIe power cable. If the card has it, all I can say is start from there. Let me know if you figure it out.
@@TechCemetery so I took some time with this card again and in the end I pinpoint a issue to GPU die itself, there is a gpio pin that is shorted to ground (based on schematic of different model but it's probably same here) which card use to detect presence of power and it shouldn't be grounded. So card once again become parts board. Too bad, card would probably work just fine if it just try to actually work :)
@@theninja2534 Error 43 usually denotes a problem relating to either the BIOS or memory (what I suspect here). Unfortunately for HBM based cards, this usually means repairing the card requires a GPU swap. I would sell it if I were you.
@@TechCemetery Would it be a good idea to double check the VCC and EN pins before selling it just incase? It sounds like the previous owner didn't turn the pc off completely before taking the card out. TDA21472 and IR35217 are the ICs that I think are affected, but I haven't received by riser yet to be able to test the voltages outside of the case.
Lucky enough i did ask you 2 weeks ago about whether can i use 3 pin fan on 4 pin header, otherwise I'll be really f*cked up. But in some cases i found some card with either 2/3/4 pin fan header but only 1 of them is populated, is that actually connected to the same diagram? About the enable signal, it's really informative, gonna be digging my card with this info.
The GPU fan header you see here is usually pretty standard. As for cards with multiple fan headers, I'd imagine the are all connected in the same way - though I've never had the opportunity to check.
@@TechCemetery new info on the powercolor rx 570 : i managed to restore all voltage rails but there's another problem, the memory and memory controller voltage now is started to increase slowly and still no image. I completely lost faith on this card, whether the memory controller could survive or not since the voltage started to increase well above 1v. It didn't like this when i explained to you all voltage rails are present but the display rail isn't so perhaps it's my lack of knowledge. Also i managed to revive another powercolor rx 570 with damaged/burn traces on 12v 8 pin. Lucky enough the vrms are still in good condition considering there's no fuse on this card. Here's some picture : m.facebook.com/story.php?story_fbid=2998838100403785&id=100008328721160
@@TechCemetery hi again, could you help me again, this time ASUS Strix RX 570. Im stuck because there's no datasheet or anything on some of the ICs. The problem is vram and memory controller only appears 2 sec after the CPU turned on and the vcore didn't even receive any, fan is not spinning. 12v, 5v, 3.3v, display rail showing normally as it should. Oh also there's red LED indicator on PCIE 8 pin connector that keep light up even when the CPU is off, is this actually normal? The phase controller(?) is using ASP1300 from DIGI+, and idk what is this 8915FN from ITE. 12 ohm on display rail, 32 ohm to memory, 14 ohm to memory controller, vcore can't measure it, no short on 12v both 8 pin and pcie, no short on 1.8, 3.3v, and 5v
@@accurian148 All there is to do is to check the signals EN, VCC etc to see if any of them are missing to begin with. Sorry I can't give any real advice without the card in hand.
At the moment the card can run at full load, but like the other comments mentioned, the card can no longer control its own fan speed or read the fan RPM and so the fan speed would have to be controlled externally.
Hello! Did you ever check, in a case like this, for a faulty capacitor on the side of the GPU? From an engineering point of view, it looks really awful to connect the PWM signal (almost) directly to the fan
@@TechCemetery From the datasheet it looks like its generated from the chip itself since it says to not connect the enable to a power source but I am not sure
@@HGEADAK VCC is generated by the 5V rail through a resistor. On an RTX 3080 Gaming OC, that 5V VCC passes to some component (resistor I'm guessing) and then becomes the 2.4V enable.
@@TechCemetery Well, the first sentence you said was that it doesnt work with AMD cards... And I have a rx 580 4g used for mining and was overclocked, it works @670MHz core and @1750Mhz memory but still it is running very unstable.
@@filenotfound__3871 Sorry, I wasn't aware that you had an AMD card. I don't currently have any advice for you at the moment. There's a program called Tserver that you can try to use. Some other youtubers will have a video on it including a Russian channel called VIK-on
@@TechCemetery Thank you anyways, and thanks for the attempt, but from what I heard, cpu or gpu can degrade from extreme overclocking enough so it can no longer work at its stock frequency, and the only way of fixing it is by replacing the chip, and no, I do not have the tools to do it, or even know where to get the chip, I also heard that thoose chips are expensive, if I had money I would just buy a new gpu ffs. Thank you for even responding, I hoped that another solution exists, I think that the best solution is to keep it at lower clocks and deal with it.
Hey men, love your videos! If you see this comment will be awesome, I repair laptops and desktop mobos, i buy a couple of gpus for practice repairs on them (Never try repair one before, but with the increasing price seems a good idea) Anyways, im currently with a Gtx 960 4gb (Gigabyte) 12v ok, 1.5v vram ok, 3v ok. Vcore ok. But no display picture(Error 43 in administrator if use onboard to boot). Gpu z show no ram or manufacturer (Try all the bios on the net, resistors aroung the eeprom seems good), mats shuts down without report. What do you think? Dead core? Pd: Sorry for my poor english
Thx for the reply! Yes, i saw it but in this particular card MATS shuts down showing no report in the flash drive (Try other card and mats run without a problem), Im going to try replacing all the modules one by one for the seek of science lol Thanks again and keep uploading videos!
@@TechCemetery nono, mat does not create the report.txt. The computer start, after a couple of second shuts down, but there is no report in the flash drive. When i get back to the shop im going to try running mats with different bios (i dont remember if i try with the original o the ones from techpowerup) Thanks again :p
watching this guy trace out a blown component out of a zillion microscopic components amazes me I love building and trouble shooting pc's since i was a young man and to watch and learn the circuitry
thanks for also helping the planet and keeping these cards out of the trash what a pro
Damn. Have u finished electronic engineer in university or something?
The way you backtracked this issue without schematics or board view is amazing. Don't stop posting videos, u making a big difference.
If your measure of performance is the number of years spent in a classroom, you have a lot to learn. You can spend all that time and money and still not have the reasoning ability or the common sense to do what this kid does.
@@Friend_of_the_One-Eyed_Ladies And the way you assume things makes you look like an idiot. Some folks finish school in 1/10th the time due to logic and understanding aside from being smart. Yet, you took the OPs post and want to belittle him further more making you look like moron. Good job! You measure peoples intelligence based off your ignorant assuptions?
In these times doing god’s work!
Every video you post just blows me away, your knowledge is incredible 😊👍👍
Now he can repair jet engines what a legend 😂 💯❤️
I see you begin to add the soldering/part replacement process. Really love it!!
Such a totally underrated content creator. I've been struggling to find any english speaking GPU repair channels , mostly are russians . IMO the very few english speaking channels that do repairs are far less this involved when compared to Tech Cemetery. I sincerely hope that this channel succeeds .
Damn! I've just found your channel and have been binge watching for a few days now! I've always wanted to learn how to repair graphics cards and your channel is a fantastic source for beginners! Good Job!
Amazing video, simply masterfully how you diagnose a faults :O Keep it up and don't stop, greetings from Poland.
Nice one! I always look forward to your videos and you never disappoint. I never realised the enable signals were so complicated on these cards, with the latching transistors and whatnot. On most of the laptops I fix the enable signals just come either straight from PGOOD of another power rail, from some logic gate or other big chips like the SMC on macbooks. Also shame about that PWM pin, crazy to think that they have a pin like that connected straight to the GPU die with no protection at all, where a bad fan cable or unfortunate accident could fry the whole thing. Ah well, still a great repair as always, keep them coming!
these videos always fascinate me cause not a lot of people try this. ive tried fixing my 970 from watching your videos and even though i ended up killing it i still learned alot. keep up the good content
You can lower the fan speed using a resistor that can lower 12v to 7v or 5v. Or better option is to use 12v buck convertor that is adjustable so you can adjust the output voltage so it can be mounted to the graphic card via hot glue
The name for that circuit, i think, is ENB-RST or "enable-reset". The signal that resets the latching of the enable signal after it has been shut-off.
Thanks!
please never stop latching
You could have spreadsheet for the voltage and ohm reading for each mainstream gpu starting with 1060 😀 I especially am getting into gpu repairing out of curiosity and by your videos you make it look easy
Dude you sure got me signal latched onto your vids.
One could fix the fan issue by adding a small micro-controller (such as attiny85) with a thermistor attached to the GPU heatsink. It could monitor the temperature and provide a PWM signal for the fan to run at the proper speed.
have you tried ?
Just slap a water block on it and it can be considered as working :D
Nice work!
1. your customer has too much money to spend if he faff around with a Titan 1080!
2. HOW can you do this without schematics!!!! I am more than impressed.
I think what you're describing is a fault detection circuit. So the 2n7002 generic N-channel FET is part of a fault detection circuit that connects to the enable line. The circuit checks to see certain voltages and signals are present and either pulls the line up or down...
You're a electronics genius 👌
Finally found a board-level GPU repair channel on RUclips that's not in Russian.(Not offense to Russian but finally can learn more in English.)
Mind Blown!!
Awesome work 👍 Keep the videos coming. Very impressive the detail of diagnostics you share.
Absolutely stunning work, woow 😎😎. Very impressive !!
Got so excited when I heard you were releasing another video to explain the enable pin!
Was curious, how do you trace the different components like what you did?
And how do you know what those exact components are?
I used continuity mode to trace the components, and I know what those components are by googling the markings on them - some of them took a while to find.
@@TechCemetery Unfortunately, marking codes are not unique...so the same, say 3 (or 2) mixing of letters and numbers does not identify a single component but it can belong to very different semiconductors, for example an OP AMP, a Voltage Regulator or a Digital Gate. It takes a lot of time and patience along with knowledge!! Bravo! Regards from Italy.
@@TechCemetery Does that mean you check every single minuscule component on the board to find where the signal goes (some end up on the other side or other end!)?? Or maybe you're using some sort of tools - like a spread bunch of copper wires connected to your probe and then "brushed" on the board to find the area where to focus the more manual and accurate probing? It's impressive regardless.
Excellent repair of very difficult fault! Thanks a lot for great vid.
got a 1080ti with same fan problem used an external mini pwm fan controller with temp probe mounted to gpu works good for aio fan
Imma leave a like and say I got outsmarted.
Been watching your channel and learning lots. Like the fact these checks apply to many cards. About schematics, how does one find schematics for a EVGA reference 980Ti board? Google search doesn't reveal much. Thanks.
thank you magician
Whoah! PWM signal goes pretty much straight into the GPU without any logic before hand. Fair enough. Be careful peeps!
Did you test the fan on a known good control circuit? Might have been the fan's onboard PWM circuit that got fried. Did you manually test to see if you had a pulse on the PWM line? You could also try a different blower on this card, see if you get a tach signal. I had a GTX 1060 where the guy had actually plugged the 4-pin fan connector in backwards, yet everything survived.
The cooler worked on another card, and another card's working cooler also had max fan spin on this card.
Are you okay to demontrate how to trace faults? Another great video again :-)
I use a multimeter in continuity mode, I have no special tricks to share.
amazing. keep healthy bro
Thanks!!
Amazing !!!
hello friend, have you made the video regarding enablement and a simplified explanation of how it works? I can't find it, salu2
You have a schematics or boardview for graphics cards? If not that whence you have knowledge where is something connected?
Experience and a great deal of patience. I trace my components manually.
Great work bro 2 thumbs up.:)
Thank You . Good info
Hi, thanks for videos help me to fix some gpus, now i´ve the same problem with my EVGA 1080ti, the card have 5V, 1.8V, and UP9511 (Enable Signal: 2.38V, Vref: 2V, Vinmon: 1.2v ) but no PWM out signal, Nvvdd or Powergood signal, i replaced the Up9511 from a working card, but i cant start the UP controller.
wahoo! new upload 33 minutes ago! lets gooo
Do you have a data sheet for GS9216? Can’t understand where’s enables pin is, am there’s no 1.8/3.3 reaching this chip
ok I have Titan-black that needs repair, sense I can not find a video card to buy I decided to get my card repaired, It is not being detected?
Nice. thank you very much 😊
Great video. I sent you an email about repairing a GTX 1070
Hey man thanks for the video, I have exactly the same problem with the fan pwm always at 100% is there an easy solution ? I'm thinking of adding an external pwn generator to control fan speed, what do you think ?
Yeah another one! :D good job! what is the set temperature on the hot air gun?
You are the google maps of gpus ^^
I have a quick 861DW that I set to 788*F with 100 for air.
Why don't they put fuse in graphic card for 12v rail?, the only graphic card i have seen use fuse is sapphire and its easy to fix, sending 12v directly to gpu surely can damage the die chip, even after fix it, it will slowly die
So gpu is not dead? Just a fan issue. Just install bigger fan and run it 40-50% speed.
No, the GPU is at fault. Re-watch the video.
Hello Erik, Do you have stock chipset gtx titan x pascal? I seem to have a problem with it.
hey bro, how do you fix GPUs that cannot install drivers? already tried lots of drivers and Guru3D for clean installation.
Have you tried running MATs?, there's a version I've been given recently that'll help with cards that artifact, unfortunately it's about 60gb compressed. There will be a guide video on it sooner or later.
@@TechCemetery thanks bro, i'll try that then give you an update this week
how do you learn all this stuff? I have no luck finding any technical information online
Which of these Mosfets can I use
MTB09N03H8
PH7030AL
PH2530AL
Instead of this
MDU1513
Hi there. You said that the fan at full speed indicates a dead GPU. Is that also the case when the GPU doesn't even get hot when switched on? I was under the impression that in that case the problem would likely be elsewhere on the board, like vrm.
It can indicate a dead GPU, not that it necessarily does.
At 1:49 You check the "Pict rail" ? What's the exact word please and if you can explain what this rail is for ? thanks for sharing knowledge
PEX Rail - as in PCI Express
@@TechCemetery Thanks for reply
amazing!
Hi, will you be doing a video explaining how 1.8 3.3 and enable are generated ?
Hi, lets talk coil whine for a moment! So Zotac GTX 1080 8GB mini and it supposedly has whine! Now is there something I should be aware of as I'm thinking of buying it used! Do I worry there's underlaying issues? Do I look to correct the whine with software? Do I care about it because likely it's inherent in most/all cards?
In my experience, a large amount of coil whine can be caused by a powerstage/MOSFET not functioning where the rest of the components then have to pick up the slack. Note this is very rare, most coil whine is just annoying with no real indication of the cards functionality.
@@TechCemetery Thanks for the info! I'll go ahead and pickup the card as it's only 200 bucks Canadian and these days it's near impossible to get any card that's decent without losing the bank!
PS I bought the card (2 months ago) and been running it daily since as I usually play a few hours of Rocket League at the most daily and the whine is barely barely noticeable. I guess you can say it has it if you put your ear right to the rear of the PC but otherwise it's non existent to me!
Good Video, i have a EVGA Titan X Video Card, when i put it on my PC wont power on , and i need to repair, am from Mexico, can i send you the card ? i really need it repair it :( i can find a place that make this work !
impressive work ! please tell me how you manage to trace link from 2 diodes to faulty transistor on the other side of the board without any schematics?
Using a multimeter in continuity mode.
buen video amigo los mod para ver si tienes memorias dañadas cada mod es para una sola tarjetas grafica nvidia o es en general y si hay mod para revisar graficas msi
HI I HAVE A TITAN X THAT HAD WATER FROM THE SYSTEM ON IT. IS THIS SOMETHING YOU CAN LOOK AT?
Yes, my email should be listed in the description.
I think i found my 1070’s issue dead capacitor
Bridged the connectors and all the inductors turned on where-as before all of them where off
My issue is trying to get 270uf 16v SMD capacitors without paying more for shipping than the capacitors
It took a few hours to find it i checked everything over and over and over and couldn’t figure it out, then went screw it are these caps fine, 1/4 dead 3/4 fine, issue found
Great 😀👍
is there any usb image to check vram of amd rx580?
like mats?
having nearly invisible picture and error 43 in windows
any sugestions?
There's a program called Tserver, you can find a guide for on it a youtube channel called VIK-on
Mine
Did the same except the die exploded
awesome videos as always but hey how is that the gpu is bad but is working, do you mean the gpu could die later ?
Yes, I expect the GPU to die relatively soon. These GPUs have several parts to them, there's a memory controller, a core, a PCI express controller, and of course a PWM/TACH portion to deal with fan control. My conclusion is the fan control portion is dead.
@@TechCemetery that's a shame
If the Gpu is damaged how is the game still functioning, or is it partly damaged?
Partially damaged
Hi. I have the same card. No display output but all voltages present. Resistance on 1.8V is 710Ω. Do you think the GPU core is dead?
It's probably fine.
@@TechCemetery I bought it as not working. The guy told me that the technician said the core was dead. I tried new BIOS chip but nothing changed. Here's other resistances: 5V - 1.28kΩ, PEX - 50Ω, MEM - 38Ω (this is quite lower than your measurement). Maybe some problem with memory? But MATS refuses to run with this card.
In Windows in device manager I can see it as TITAN X (Pascal) with code 43. And GPU-Z shows some info.
@@TechCemetery Could it be because the new BIOS chip is Winbond 25X20CLNIG witch is rated at 2.5-3.3V? Now I have found that the supply voltage on this card is only 1.8V.
@@milandirokop3320Yes, you need to make sure you're using a compatible BIOS chip.
Just to save me some time digging through pile of unsuccessful repair attempts - can same circuit somehow be related with card that doesn't see external power supply as connected even with all main component on that rail (ina, controll IC, drivers, mosfets etc) good?
I've never dealt with a card that fails to detect an 8 pin PCIe power cable attached. I can't give you any advice.
@@TechCemetery too bad, first time for me also to see something like that but GPUs are far from my expertise anyway so I was hopping you see something like that before. Card was previous repaired (PCB damage after some caps burnout) but this doesn't seems to have connection with that. It worked normally for few days just to one day during post give messege about PCIe power isn't connected (like when you forget to plug in cable).
I found more people with exact same problem googling a issue but all old posts on non-technical forums with typical "did you try to turn it off and on again" advice's.
My first suspect was power monitoring IC but after checking it and every component around it without success I give up (of course not before I give a card 15 minute blank stare treatment but it just refuse to be repaired that way :)). Maybe on some rainy day I'll try to pinpoint problem again.
@@gorjy9610 Usually there's a transistor behind the 8 pin or next to the pin that's responsible for detecting the PCIe power cable. If the card has it, all I can say is start from there. Let me know if you figure it out.
@@TechCemetery so I took some time with this card again and in the end I pinpoint a issue to GPU die itself, there is a gpio pin that is shorted to ground (based on schematic of different model but it's probably same here) which card use to detect presence of power and it shouldn't be grounded. So card once again become parts board. Too bad, card would probably work just fine if it just try to actually work :)
I have a radeon VII and its not working. Die heats up, shows up as no clock signal in GPUZ. How can I go about troubleshooting it??
No memory clock? does the card have error 43 in device manager?.
@@TechCemetery Correct. Changing bios didn't change anything, changing drivers didn't change anything, atpixelpatcher didn't change anything. Die heats up but shows 0 cc and 0 memory clock
@@theninja2534 Error 43 usually denotes a problem relating to either the BIOS or memory (what I suspect here). Unfortunately for HBM based cards, this usually means repairing the card requires a GPU swap. I would sell it if I were you.
@@TechCemetery Would it be a good idea to double check the VCC and EN pins before selling it just incase? It sounds like the previous owner didn't turn the pc off completely before taking the card out. TDA21472 and IR35217 are the ICs that I think are affected, but I haven't received by riser yet to be able to test the voltages outside of the case.
@@theninja2534 Sure, if you have the time and card in hand, go ahead.
Lucky enough i did ask you 2 weeks ago about whether can i use 3 pin fan on 4 pin header, otherwise I'll be really f*cked up. But in some cases i found some card with either 2/3/4 pin fan header but only 1 of them is populated, is that actually connected to the same diagram? About the enable signal, it's really informative, gonna be digging my card with this info.
The GPU fan header you see here is usually pretty standard. As for cards with multiple fan headers, I'd imagine the are all connected in the same way - though I've never had the opportunity to check.
@@TechCemetery new info on the powercolor rx 570 : i managed to restore all voltage rails but there's another problem, the memory and memory controller voltage now is started to increase slowly and still no image. I completely lost faith on this card, whether the memory controller could survive or not since the voltage started to increase well above 1v. It didn't like this when i explained to you all voltage rails are present but the display rail isn't so perhaps it's my lack of knowledge.
Also i managed to revive another powercolor rx 570 with damaged/burn traces on 12v 8 pin. Lucky enough the vrms are still in good condition considering there's no fuse on this card.
Here's some picture : m.facebook.com/story.php?story_fbid=2998838100403785&id=100008328721160
@@TechCemetery hi again, could you help me again, this time ASUS Strix RX 570. Im stuck because there's no datasheet or anything on some of the ICs.
The problem is vram and memory controller only appears 2 sec after the CPU turned on and the vcore didn't even receive any, fan is not spinning. 12v, 5v, 3.3v, display rail showing normally as it should.
Oh also there's red LED indicator on PCIE 8 pin connector that keep light up even when the CPU is off, is this actually normal?
The phase controller(?) is using ASP1300 from DIGI+, and idk what is this 8915FN from ITE.
12 ohm on display rail, 32 ohm to memory, 14 ohm to memory controller, vcore can't measure it, no short on 12v both 8 pin and pcie, no short on 1.8, 3.3v, and 5v
@@accurian148 All there is to do is to check the signals EN, VCC etc to see if any of them are missing to begin with. Sorry I can't give any real advice without the card in hand.
@@TechCemetery the problem is there's no datasheet on some ICs so i don't which pin is the enable, vin, etc
pardon my ignorance, but the card seemed stable for games? can a custom fan curve be applied to prevent the fan running at max speed?
No fan connection is not detected by gpu. So it will only run at its full speed with no pwm signal .
just buy a pwm controller that u can hook up to the gpu fans
At the moment the card can run at full load, but like the other comments mentioned, the card can no longer control its own fan speed or read the fan RPM and so the fan speed would have to be controlled externally.
@@TechCemetery I have this same problem with my rx470 4gb Asus . But that card fan don't produce a lot of noise .
I guess an external fan controller would do the trick if nothing else on the card is damaged.
Hello! Did you ever check, in a case like this, for a faulty capacitor on the side of the GPU? From an engineering point of view, it looks really awful to connect the PWM signal (almost) directly to the fan
So, if we had a broken graphics card that the fan spin so fast and loud, it can the gpu failure?
Sometimes yes
i got brain aneurism watching this diagnosis. haha
Hi sir. Can i send to you mg gpu..titan x it wont power and no display..pls reply need badly thanks..more power to ur channel
I have an email listed in the about section of my youtube channel.
from where is the EN signal generated?
On some cards, it's based off of VCC on uP9511p. I'm not sure where it's generated on this one.
@@TechCemetery From the datasheet it looks like its generated from the chip itself since it says to not connect the enable to a power source but I am not sure
@@HGEADAK VCC is generated by the 5V rail through a resistor. On an RTX 3080 Gaming OC, that 5V VCC passes to some component (resistor I'm guessing) and then becomes the 2.4V enable.
Is a gpu that artffects on its stock speeds fixabale (Got scammed)
Maybe, you should run a memory test on it - I have a guide video.
@@TechCemetery Well, the first sentence you said was that it doesnt work with AMD cards... And I have a rx 580 4g used for mining and was overclocked, it works @670MHz core and @1750Mhz memory but still it is running very unstable.
@@filenotfound__3871 Sorry, I wasn't aware that you had an AMD card. I don't currently have any advice for you at the moment. There's a program called Tserver that you can try to use. Some other youtubers will have a video on it including a Russian channel called VIK-on
@@TechCemetery Thank you anyways, and thanks for the attempt, but from what I heard, cpu or gpu can degrade from extreme overclocking enough so it can no longer work at its stock frequency, and the only way of fixing it is by replacing the chip, and no, I do not have the tools to do it, or even know where to get the chip, I also heard that thoose chips are expensive, if I had money I would just buy a new gpu ffs.
Thank you for even responding, I hoped that another solution exists, I think that the best solution is to keep it at lower clocks and deal with it.
Hey men, love your videos! If you see this comment will be awesome, I repair laptops and desktop mobos, i buy a couple of gpus for practice repairs on them (Never try repair one before, but with the increasing price seems a good idea)
Anyways, im currently with a Gtx 960 4gb (Gigabyte) 12v ok, 1.5v vram ok, 3v ok. Vcore ok. But no display picture(Error 43 in administrator if use onboard to boot). Gpu z show no ram or manufacturer (Try all the bios on the net, resistors aroung the eeprom seems good), mats shuts down without report. What do you think? Dead core?
Pd: Sorry for my poor english
I have a guide video on memory testing, it should apply to your card.
Thx for the reply! Yes, i saw it but in this particular card MATS shuts down showing no report in the flash drive (Try other card and mats run without a problem), Im going to try replacing all the modules one by one for the seek of science lol
Thanks again and keep uploading videos!
@@jsp9812 In that case, I'd consider the BIOS. MATs should work on any GTX 900 series card. What's the exact error message? "Invalid Register"?.
@@TechCemetery nono, mat does not create the report.txt. The computer start, after a couple of second shuts down, but there is no report in the flash drive. When i get back to the shop im going to try running mats with different bios (i dont remember if i try with the original o the ones from techpowerup)
Thanks again :p
@@TechCemetery Btw the flash drive with mats run fine, i tested in others gpus
How do I send my RX 580x to you? I rather repair it than pay scalper prices.
I have an email listed in the about section of my youtube channel.
@@TechCemetery I emailed you a few days ago.
@@FMWheels According to my emails, I replied the day after. Send me another email if you didn't get the reply.
better use a liquid cooler then on this gpu
What happend to your fluke ?
The resistance measurement is slightly off and so I'm not using it for the time being.
@@TechCemetery Ah, fantastic video, as always !
fan full speed gpu still at 74c lmao
But is it really dead. just put the pc in a different room haha or waterblock it
(y)