Many thanks for your video. I liked it. i am searching for a video on the Presario R3230US purchased in 2006... Its CPU is a Pentium 4 -2.80Htz. I wonder if I am wasting my time on it but ... nobody would like to throw away an electronic before knowing what was the faulty part. We all want to learn the causes of the problems. I just wish video doers would carry a gopro or else that would allow them to keep both hands on the work. Also searching for a professional like you that would allow us to watch the findings and learn, in my area 34205. Many thanks again.
Hello i have toshiba satellite a300 with no sign of life. I disconnected everything except cpu fan, power supply and power button. Power button and power supply were tested by volt meter. Any recommendation welcomed. Thanks
I have a now old dell vostro 1000 that has no power or even light. I'm told hard drive doesn't spin. I removed hard drive. Should it turn on without hard drive? If not, I'm going to do what you teach above, removing connector clip under keyboard and checking if it then powers up? Any info you can add for this? Ty
Sir, i have laptop acer aspire e15, which suddenly turn of and wont start. The led bulb also wont light whene connect the power supply. How can i fix it?
I've tried to fix mine, but I really dont know why mine doesn't even look like it passes power. I've tried starting it up with the fork but not much progress, and when I plug it to the power shows no lights at all T_T help please
where you located at brother? Have a Toshiba laptop here that I'd love to get working again....was working fine, then powered off and got up the next day to find it got a hardware error and will not boot into windows, nor will it even let me into the BIOS to boot from CD Rom or USB to try and fix it....borrowed a hard drive bay to try and get the 300GB of data off the drive that's in it and it's saying the drive needs to be formatted? It seems the motherboard could possibly be faulty? Being it's not even allowing me into the BIOS?
I am located in the Central coast of California. Does it even give you any lights to indicate it is getting power? if it turns on does it only show a black screen? any "blinking lights"?
yes I get power and a few different screens, one being a blue screen that flashes so fast there's no chance of reading what all it says.... what's got me stumped the most is how & what caused the drive to not show anything on it now & the MB not allowing me to enter BIOS at all, there's no splash screen as it's trying to boot up either (toshiba showing BIOS keys to enter) I could explain far better if I had a way to speak with you....I'm all way over on Virginia here, love to know what you think may be the trouble(s) with this one....thank you.
If it is a more recent model then the OS might have been installed under UEFI mode, instead of standard mode and when that happens something gets stored in the HDD to make it boot faster. I do not know enough about UEFI to be able to assist you but that is what I have learned so far. Try to run repair tools on your HDD but do not reformat it or delete any partitions because you will lose your data. I will try to do some more research and if I find something then Ill let you know. Thanks.
carpio01 hi man thanks for the speedy replies and assistance.....fairly certain it's an older model running windows 7 home premium it's model is Satellite L755D-S5365
Ok lets try this: since you are not prompted to press F2 - when you first turn the computer on press and hold the "Esc" key for about 3 seconds, then if prompted to press F1 do so. Hope it helps.
Yes some laptops do have that option, specially the ones that have integrated batteries. That can't be easily removed to reset the bios. I have a more general video to do initial troubleshooting. Thanks for the tip.
Hey!i am having this problem if I turn on laptop after 5 seconds it will go offf.... what shall i do????? help mee ... i am good adapter and i have good working batteries .... help me please sir
What if a bare motherboard doesn't turn on? I have an ACER Extensa 5620 with this problem. I took the motherboard out, unplugged pretty much everything except the cooler (can I safely detach it too?) and the power button (unless you know how to turn it on without it, by shorting some pins on the motherboard?) and the LED panel. But nope, no signs of life. None of the diodes is lighting up. The fan is not spinning. I checked the voltage coming into the motherboard from the power supply socket and it seems to have the nominal voltage. What else could be wrong?
Well, you should probably take it to a repair shop or see if there is any more videos that work, my computer is doing this same thing, the fan wont work less wont turn on, so I'm waiting to take it to a repair shop. Hope you computer works again.
Well, I kinda already solved that problem and the laptop turns on now. I measured the voltages around the motherboard and noticed that the 3.3V power rail is missing - the one that powers up the BIOS chip and the SMC. The 5V was also missing (the one that powers up the USB ports). The MOSFETs in the buck converters seemed to be fine, but then I noticed that they are all controlled by one MAX chip, so my suspicions went there, and when I was measuring the voltages around that chip, I noticed that the 2.0 V reference voltage is much lower than it should be. But when I was measuring the pins of that chip, suddenly it started working. I guess there was some bad junction on one of the pins, most likely on that ref voltage, because after that it was 2.0 V again and the 3.3V and 5V power rails appeared again. Now it's turning on, the system (Linux) is booting fine to the user log in screen. But there seems to be another problem, and I remembered that it was there before: When I try working on it, it suddenly resets and boots up from the beginning :P Sometimes it can run undisturbed by 20 minutes or longer. But as soon as I start clicking around in the GUI, it reboots again. I don't think it's overheating or something, because the fans are barely spinning at those moments, and it's not that I'm doing anything CPU- or GPU-consuming. I'm really out of ideas what could be the cause of this problem :/ Maybe it's still that suspicious MAX chip, or maybe it's a bad RAM? I don't know. But it's really bugging me, because otherwise this laptop could work just fine.
i have an acer laptop, i replace my ac adapter because the previous one isnt working anymore, after i tried the new one i notice that the led indicator on the new ac adapter is blinking fast. i cant turn on my laptop because of this, i try the adapter in the other laptop and its working fine. can you help me with this. ps. ive already try troubleshooting you did on the video testing everything. but still no power. led on ac adapter is blinking fast. thanks :D
Check that you got the correct adapter, Check under the laptop. Or under the battery to see the specifications for the power adapter. Check that you got the correct power adapter by making sure that the voltage is the same and that the Amperage your replacement adapter is equal to or higher than the original one. The problem might be that you got an adapter that is not capable of supplying enough current to the computer. If the computer needs more current than it is receiving from the adapter it will put a strain on the adapter and the adapter could get damaged, or go into a damage protection mode and turn off.
thank you for your reply sir. but as i said, i already tried it in another and the same laptop. acer aspire 5810t series. 19v 3.42 amp. and its the same. so maybe the problem is the motherboard? or the board where i put the dc jack? as i check the name of the board is JM51 mini board. thanks sir
Hi, if yo have checked on another of the same computer then I would say that, your computer might have a short in some of its circuitry and thus it is pulling more current. Try to isolate where the problem might be, you mentioned that there is a mini card for the power jack so first I would check that it is properly functioning. Then proceed to trouble shoot the rest of the motherboard.
when you find out that the problem is the motherboard, do you use the voltage part of DMM or resistance ? it seems a lot on youtube from asia can check the voltage regulators etc with just the DMM...if you can produce any of these type of videos, would be much appreciated ...I have acer aspire e1 571, and have the schematic... thanks
Thanks for watching, I do not know much about component level repair (I am in the process of learning) but my intent is to produce videos like you mention. For checking voltage you follow your schematic and the power rails, and DO NOT USE RESISTANCE mode to check a powered device. On the schematic it should tell you the proper voltage at certain points in the board. Check that they are present, and it does depend on the state of the computer, if it plugged in but not powered on there will not be voltage at certain points in the motherboard. When the power button gets pressed the state changes and voltage is applied and then goes to a chip that will perform some logic and determine if power is ok, and then it lets the voltages power other sections of the motherboard and components. As far as resistance, the most useful test is continuity/diode mode. The way they check is to see if there is continuity where there should be none. And if they find it then it indicates that there might be a short in that part or in the circuit that part is a member of. If on the other hand you know there should be continuity on a part and you get nothing then it indicates that you have a "blown" component, basically destroying the path for signals/electricity and you get an open circuit.
fyi ... sieguntur (youtube) has a step by step voltage sequence video that I found quite good ...(how to check dead laptop motherboard(step by step). eng is the video name
hey when i connected the integrated monitor in my laptop while it was turned on i think i accidentally plugged it wrong and then my laptop turned off with a smell of burn i ubplugged everything disconnected the battery unpluged the monitor screen and mouse,etc.. then i tried turning my laptop on without a screen only with the battery nothing i unplugged the battery and pressed the power button for 1 min then tried again nothing i connected my portable battery in a usb port which could charge even if laptop off the battery was charging when i connected the power adapter in laptop and disconnected the battery the portable battery was still charging but laptop wouldnt turn on i tried with battery and power adapted plugged still wont turn on i checked the mb for any sign on burn no sign help pls the only thing i saw was an chip with some brown dots on both connectors but they were in middle not close tp the mb pls helpp i cant buy another laptop or have it checked by a technician @@carpio01
Hola, hoy reinicie mi notebook toshiba satellite L-45 y al encender empezó a decir reparando o algo asi, entonces cometi el error de apagarla a la fuerza osea dejando presionado el boton de encendido, de ahi no prende ni carga, no muestra luces de carga ni nada Alguna solucion?
i have a problem like that. I try to plug my headphone and accidentally plugged it inti the usb port and then a spark came out and my laptop never turned on again. I took it to a technician and he told me the processor (which is integrated with the motherboard) was broken but when he gave me back the laptop it didn't charged or show any sing of life just as you video.... I bought a new motherboard. but another technician is telling me that it may not be usefull because it has a charged problem... what do you think? my laptop is an acer aspire E15 S12-512 with intel celeron N2840
Hi I think that your computer might have the same problem as the one in my other video, ruclips.net/video/SYRWIdQonoI/видео.html on that one the USB daughter board got damaged somehow and then it would not let the computer turn on at all. I replaced the board and then it was fully functional again. Hope it helps out.
I have the same laptop toshiba.......but different model.....but mine the light will come on when I plug the power cord into it......but nothing else....no fan no other lights....and when I unplug the power cord ...the light goes off.....so I think my battery is not charging as well .....I was using the laptop and it just shut off.....That was that! ........Any ideas?
try the troubleshooting steps in my other video ruclips.net/video/SYRWIdQonoI/видео.html if that does not help, ill be uploading more videos for more complicated problems.
Actually my old dell latitude 3330, works fine,but one day when i press power button it starting show normal dell boot logo, occured a beep sound and my laptop died,its not turning on now,please help me brother,i tried all method from youtube but these tips and tricks not working for my shit laptop,pls help me what to do?how can i fix this at home
It is really difficult for me to help you, because I do not have the computer in front of me so I can test it. But, the best way for you to do it is to go trough the video and for example test the power supply, and keep notes of what you did, what was your observations, and any questions you might have. I do not know if you have the tools to test, so in order to help I would need a lot more information. keep notes of stuff you did and questions you have, and maybe I can help you. It is not guaranteed that I will be able to, and sometimes I will not have time to come to RUclips to check the messages right away.
You could try to remove the battery and power lead and press down on the start button for around 30 seconds. Then put the power lead back in and press start button. This removes any static build up and drains the capacitors. I hope this helps.
i have a toshiba satellite 875d -7330 it won't power on. i bought a new battery and charger itpower on but when i tried to boot it up i pressed the f8 key i herad a pop. it shut off and won't turn back on help me please
May laptop is acer i3 .. no sign of life. Hindi mo maturn on. Hindi umiilaw kapag icharge. Biglang ganon nalang po. Ano po dapat gawin sir? Hope na mapansin to. Maraming salamat po
Many thanks for your video. I liked it. i am searching for a video on the Presario R3230US purchased in 2006... Its CPU is a Pentium 4 -2.80Htz. I wonder if I am wasting my time on it but ... nobody would like to throw away an electronic before knowing what was the faulty part. We all want to learn the causes of the problems. I just wish video doers would carry a gopro or else that would allow them to keep both hands on the work. Also searching for a professional like you that would allow us to watch the findings and learn, in my area 34205. Many thanks again.
Hello i have toshiba satellite a300 with no sign of life. I disconnected everything except cpu fan, power supply and power button. Power button and power supply were tested by volt meter. Any recommendation welcomed. Thanks
that was awesome i shell watch all your videos
I have a now old dell vostro 1000 that has no power or even light. I'm told hard drive doesn't spin. I removed hard drive. Should it turn on without hard drive? If not, I'm going to do what you teach above, removing connector clip under keyboard and checking if it then powers up? Any info you can add for this? Ty
Sir, i have laptop acer aspire e15, which suddenly turn of and wont start. The led bulb also wont light whene connect the power supply. How can i fix it?
This exact thing happened to me all you have to so is take it to a repair shop lol
I have an HP tried the suggestions from the HP site....NO help. Will the Toshiba repairs work similarly with the HP?
No they are different
the same situation with my toshiba satellite c840.. no sign of life.. preparing for the burial of this😒😒😒
Help!!! My HP laptop have no power and no light sign, how do i fix this?
bog'z95 Ortiz did you find the solution?
Did anyone fix it?
I've tried to fix mine, but I really dont know why mine doesn't even look like it passes power. I've tried starting it up with the fork but not much progress, and when I plug it to the power shows no lights at all T_T help please
What the model of your PC
where you located at brother? Have a Toshiba laptop here that I'd love to get working again....was working fine, then powered off and got up the next day to find it got a hardware error and will not boot into windows, nor will it even let me into the BIOS to boot from CD Rom or USB to try and fix it....borrowed a hard drive bay to try and get the 300GB of data off the drive that's in it and it's saying the drive needs to be formatted? It seems the motherboard could possibly be faulty? Being it's not even allowing me into the BIOS?
I am located in the Central coast of California. Does it even give you any lights to indicate it is getting power? if it turns on does it only show a black screen? any "blinking lights"?
yes I get power and a few different screens, one being a blue screen that flashes so fast there's no chance of reading what all it says.... what's got me stumped the most is how & what caused the drive to not show anything on it now & the MB not allowing me to enter BIOS at all, there's no splash screen as it's trying to boot up either (toshiba showing BIOS keys to enter)
I could explain far better if I had a way to speak with you....I'm all way over on Virginia here, love to know what you think may be the trouble(s) with this one....thank you.
If it is a more recent model then the OS might have been installed under UEFI mode, instead of standard mode and when that happens something gets stored in the HDD to make it boot faster. I do not know enough about UEFI to be able to assist you but that is what I have learned so far. Try to run repair tools on your HDD but do not reformat it or delete any partitions because you will lose your data. I will try to do some more research and if I find something then Ill let you know. Thanks.
carpio01
hi man thanks for the speedy replies and assistance.....fairly certain it's an older model
running windows 7 home premium it's model is
Satellite L755D-S5365
Ok lets try this: since you are not prompted to press F2 - when you first turn the computer on press and hold the "Esc" key for about 3 seconds, then if prompted to press F1 do so. Hope it helps.
If its not too much to ask...is there a video on how to remove the cd drive?
how i know motherbiad dead or processor? laptop not charge light and not power
There is a pin hole on the bottom of the laptop with battery symbol on some msi laptops. Push that to reset before taking apart the laptop.
Yes some laptops do have that option, specially the ones that have integrated batteries. That can't be easily removed to reset the bios. I have a more general video to do initial troubleshooting. Thanks for the tip.
fixed my problem, got my like!
Hey!i am having this problem if I turn on laptop after 5 seconds it will go offf.... what shall i do????? help mee ... i am good adapter and i have good working batteries .... help me please sir
What if a bare motherboard doesn't turn on?
I have an ACER Extensa 5620 with this problem. I took the motherboard out, unplugged pretty much everything except the cooler (can I safely detach it too?) and the power button (unless you know how to turn it on without it, by shorting some pins on the motherboard?) and the LED panel. But nope, no signs of life. None of the diodes is lighting up. The fan is not spinning. I checked the voltage coming into the motherboard from the power supply socket and it seems to have the nominal voltage. What else could be wrong?
Well, you should probably take it to a repair shop or see if there is any more videos that work, my computer is doing this same thing, the fan wont work less wont turn on, so I'm waiting to take it to a repair shop. Hope you computer works again.
Well, I kinda already solved that problem and the laptop turns on now. I measured the voltages around the motherboard and noticed that the 3.3V power rail is missing - the one that powers up the BIOS chip and the SMC. The 5V was also missing (the one that powers up the USB ports). The MOSFETs in the buck converters seemed to be fine, but then I noticed that they are all controlled by one MAX chip, so my suspicions went there, and when I was measuring the voltages around that chip, I noticed that the 2.0 V reference voltage is much lower than it should be. But when I was measuring the pins of that chip, suddenly it started working. I guess there was some bad junction on one of the pins, most likely on that ref voltage, because after that it was 2.0 V again and the 3.3V and 5V power rails appeared again. Now it's turning on, the system (Linux) is booting fine to the user log in screen.
But there seems to be another problem, and I remembered that it was there before:
When I try working on it, it suddenly resets and boots up from the beginning :P
Sometimes it can run undisturbed by 20 minutes or longer. But as soon as I start clicking around in the GUI, it reboots again. I don't think it's overheating or something, because the fans are barely spinning at those moments, and it's not that I'm doing anything CPU- or GPU-consuming. I'm really out of ideas what could be the cause of this problem :/ Maybe it's still that suspicious MAX chip, or maybe it's a bad RAM? I don't know. But it's really bugging me, because otherwise this laptop could work just fine.
Who watching this 2021
Me :)
Shut up,nobody cares what f*cking year you watched this in
@@chameleondemeleon9642 fuck you pressed about🤨
@@Prod.ENSVNE these kinds of people, it's 𝙵𝚄𝙲𝙺𝙸𝙽𝙶 stupid
i have an acer laptop, i replace my ac adapter because the previous one isnt working anymore, after i tried the new one i notice that the led indicator on the new ac adapter is blinking fast.
i cant turn on my laptop because of this, i try the adapter in the other laptop and its working fine. can you help me with this.
ps.
ive already try troubleshooting you did on the video testing everything. but still no power. led on ac adapter is blinking fast.
thanks :D
Check that you got the correct adapter, Check under the laptop. Or under the battery to see the specifications for the power adapter. Check that you got the correct power adapter by making sure that the voltage is the same and that the Amperage your replacement adapter is equal to or higher than the original one. The problem might be that you got an adapter that is not capable of supplying enough current to the computer. If the computer needs more current than it is receiving from the adapter it will put a strain on the adapter and the adapter could get damaged, or go into a damage protection mode and turn off.
thank you for your reply sir. but as i said, i already tried it in another and the same laptop. acer aspire 5810t series. 19v 3.42 amp. and its the same. so maybe the problem is the motherboard? or the board where i put the dc jack? as i check the name of the board is JM51 mini board. thanks sir
Hi, if yo have checked on another of the same computer then I would say that, your computer might have a short in some of its circuitry and thus it is pulling more current. Try to isolate where the problem might be, you mentioned that there is a mini card for the power jack so first I would check that it is properly functioning. Then proceed to trouble shoot the rest of the motherboard.
thank you very much sir ^_^
Check the input and output voltage of your newly adapter, and compare it.
i have a toshiba qosmio x875 i Was using and turn off and never start again . i did all you did and nothing no light what i can do
I have this problem with my lap Siemens core i5.what should I do?
when you find out that the problem is the motherboard, do you use the voltage part of DMM or resistance ? it seems a lot on youtube from asia can check the voltage regulators etc with just the DMM...if you can produce any of these type of videos, would be much appreciated ...I have acer aspire e1 571, and have the schematic... thanks
Thanks for watching, I do not know much about component level repair (I am in the process of learning) but my intent is to produce videos like you mention.
For checking voltage you follow your schematic and the power rails, and DO NOT USE RESISTANCE mode to check a powered device. On the schematic it should tell you the proper voltage at certain points in the board. Check that they are present, and it does depend on the state of the computer, if it plugged in but not powered on there will not be voltage at certain points in the motherboard. When the power button gets pressed the state changes and voltage is applied and then goes to a chip that will perform some logic and determine if power is ok, and then it lets the voltages power other sections of the motherboard and components.
As far as resistance, the most useful test is continuity/diode mode. The way they check is to see if there is continuity where there should be none. And if they find it then it indicates that there might be a short in that part or in the circuit that part is a member of. If on the other hand you know there should be continuity on a part and you get nothing then it indicates that you have a "blown" component, basically destroying the path for signals/electricity and you get an open circuit.
fyi ... sieguntur (youtube) has a step by step voltage sequence video that I found quite good ...(how to check dead laptop motherboard(step by step). eng is the video name
hey when i connected the integrated monitor in my laptop while it was turned on i think i accidentally plugged it wrong and then my laptop turned off with a smell of burn i ubplugged everything disconnected the battery unpluged the monitor screen and mouse,etc.. then i tried turning my laptop on without a screen only with the battery nothing i unplugged the battery and pressed the power button for 1 min then tried again nothing i connected my portable battery in a usb port which could charge even if laptop off the battery was charging when i connected the power adapter in laptop and disconnected the battery the portable battery was still charging but laptop wouldnt turn on i tried with battery and power adapted plugged still wont turn on i checked the mb for any sign on burn no sign help pls the only thing i saw was an chip with some brown dots on both connectors but they were in middle not close tp the mb pls helpp i cant buy another laptop or have it checked by a technician @@carpio01
Hola, hoy reinicie mi notebook toshiba satellite L-45 y al encender empezó a decir reparando o algo asi, entonces cometi el error de apagarla a la fuerza osea dejando presionado el boton de encendido, de ahi no prende ni carga, no muestra luces de carga ni nada
Alguna solucion?
i have a problem like that. I try to plug my headphone and accidentally plugged it inti the usb port and then a spark came out and my laptop never turned on again. I took it to a technician and he told me the processor (which is integrated with the motherboard) was broken but when he gave me back the laptop it didn't charged or show any sing of life just as you video.... I bought a new motherboard. but another technician is telling me that it may not be usefull because it has a charged problem... what do you think? my laptop is an acer aspire E15 S12-512 with intel celeron N2840
Hi I think that your computer might have the same problem as the one in my other video, ruclips.net/video/SYRWIdQonoI/видео.html on that one the USB daughter board got damaged somehow and then it would not let the computer turn on at all. I replaced the board and then it was fully functional again. Hope it helps out.
i have a toshiba m500 and the webcam keeps flashing like its taking a pic and it wont turn on
Hi,my problem is my laptop Toshiba satellite is showing charging and shows lights in keyboard but not works on display what can ido ?
Lan te char
Same with me
probably the ram but there are other issues that can be present
I have the same laptop toshiba.......but different model.....but mine the light will come on when I plug the power cord into it......but nothing else....no fan no other lights....and when I unplug the power cord ...the light goes off.....so I think my battery is not charging as well .....I was using the laptop and it just shut off.....That was that! ........Any ideas?
try the troubleshooting steps in my other video ruclips.net/video/SYRWIdQonoI/видео.html if that does not help, ill be uploading more videos for more complicated problems.
Actually my old dell latitude 3330, works fine,but one day when i press power button it starting show normal dell boot logo, occured a beep sound and my laptop died,its not turning on now,please help me brother,i tried all method from youtube but these tips and tricks not working for my shit laptop,pls help me what to do?how can i fix this at home
Did you try the troubleshooting steps in my other video? The one called "How to Fix Laptop not powering on, good..." hopefully that helps a bit.
@@carpio01 yes i tried all method
It is really difficult for me to help you, because I do not have the computer in front of me so I can test it. But, the best way for you to do it is to go trough the video and for example test the power supply, and keep notes of what you did, what was your observations, and any questions you might have. I do not know if you have the tools to test, so in order to help I would need a lot more information. keep notes of stuff you did and questions you have, and maybe I can help you. It is not guaranteed that I will be able to, and sometimes I will not have time to come to RUclips to check the messages right away.
You could try to remove the battery and power lead and press down on the start button for around 30 seconds. Then put the power lead back in and press start button. This removes any static build up and drains the capacitors. I hope this helps.
Hello Sir
What is the liquid that you used?
??
not bad vedeo fair
i have a toshiba satellite 875d -7330 it won't power on. i bought a new battery and charger itpower on but when i tried to boot it up i pressed the f8 key i herad a pop. it shut off and won't turn back on help me please
You need a p.o. Box so I can send you my msi Gt 80 Titan. Think it has the same problem after my nephews spilled juice or water on my keyboard lol.
May laptop is acer i3 .. no sign of life. Hindi mo maturn on. Hindi umiilaw kapag icharge. Biglang ganon nalang po. Ano po dapat gawin sir? Hope na mapansin to. Maraming salamat po
naayos na po ba? ano ginawa niyo!
Try mo iremove yung battery and attempt mo i charge. Pag hindi mag.lights on hanapin mo cmos and remove mo then reseat .
Filipino poh ba kau sir
Opo ser
Puwde magtanong dito ano kaya problema ng laptop ko no power
Msi core i3 cr 420
Sa tagalog lang po kc hinde ako marunong mag englist
Naayos na laptop mo sir?
Poor video