LENOVO YOGA black screen FIX (works for most Yoga series).
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- Опубликовано: 7 июн 2021
- A simple fix for most of the Lenovo Yoga (and not only), where the computer is on, but there is no image on the screen. This one's particular model number is c940-15irh.
Do you want us to handle the repair for you? Go to www.comptechnyc.com and fill up the "contact us" form. 
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Fantastic! Thank you very much for this fix. It worked perfectly on my wife's c940 Yoga. She was hinting at buying a new laptop for 1,200 but I fixed it for the price of a Torx T7 or T8 screwdriver for 8.97 at Home Depot. Your delivery of the information and demonstration was clear, concise and easy to follow. I was confused why you said to press the power button for 30 sec. AFTER disconnecting the battery (I forgot about the CMOS battery). I did as you suggested and voila! - done in 20 minutes. Keep up the good work.
I held down the power button like you said for 30 seconds and IT WORKED. Idk what was going on with the laptop but thank you. Saved me time and money.
This was the exact fix! Worked perfectly. This only took 20 minutes. So glad we found this guy!
Man thank you so much! I have Lenovo yoga 7i I barely used it but the warranty expired a month ago, I took it to Best Buy and they couldn’t turn it on and they said is the motherboard, then I took it to a fixing store and they told me the same, I was about to trow it in the trash, and I see this video I did this and now is working perfect! Thank you so much for your help!!!!
Thanks for that friend, I like the relaxed but professional way you present your fix, also your voiceover, it is not boring. PS: I dig the accent, good work.
Tried it and the Yoga is now working properly once again. THANK YOU!
Can’t thank you enough for this video! Mine got fixed instantly! 🙌🏼👊🏼
This video solved my problem! (Two hours before class) Thank you very much!
I tried this on my daughter's computer and it worked. Thanks so much for the easy to follow instructions.
Excellent instructions and a perfect description of the problem. Saved me tons of time and money.
I can hear you fine with the fans in the background. People can just get over it. Thank you for posting.
Absolutely legend 👏👏👏👏. Just fixed my sister’s lenovo yoga.
You're a life/computer saver! Thanks a ton for the tip! It worked again instantly!
Fixed our Yoga!!!! Perfect. Thank you so much for your informative and helpful video!
This was exactly what I needed! Thank you so much
Thank you so much! I haven’t tried it yet but watching your video explained everything, was easy to follow and Will possibly save me $84 (Geek Squad charge) and a 7-10 day wait. You’re the best!
I just tried it. Fixed for the price of a computer tool kit $30 Best Buy.
Thank you so so so much!
Hi did u fix it?! I’m at uni and this just happened
You're a legend! This fixed the issues I was having with mine. Thank you so much!
Wonderfully easy fix for my daughter's Yoga. She was so pleased! Thank you!
Wow, that was great....love an easy fix.. Your description was exactly what I was seeing on my customers lenovo yoga 213. Your video was spot on perfect, thank you so much.. I'll be looking at your videos again very soon
thank you! something I have also done, which is useful when you are on a travel for example and have no screwdriver (although it takes longer), is to charge the phone or someone else in the computer, so you take all the energy in it, then you charge it again
This method helped me to get PC running again, thanks
Worked for me. Thank you. Perfect tutorial.
thanks, you saved me from having to replace a screen & mb that had 0 issues.
This was really helpful. Thank you! I had the same problem where disconnecting the main battery to do the power drain wasn't enough. Your video helped me realize I also needed to disconnect the smaller battery, and it was really helpful you mentioned to give it a second when you turned it back on. At first I didn't think it worked, but then after a few minutes it did turn on! Thanks again!
Which ones the smaller battery?
Bro can you do a video of accessing the small battery
Do you have the same model
To contribute - same issue, but went for the power drain instead of taking apart - my USBs were working, so I attached every device I had on charge (ecigs, phone, power bank) and it drained the battery very quickly - hope that helps those without tools to hand 🙏
How long do you have to wait?
I got all the screws removed and was not wanting to pry the back off! then I saw your comment. I now have two power banks plugged into it. Tysm
Thank you! this worked for me..
❤@@reva_diva
Thank you!! My computer works again!!
Thanks so much men. I almost through myself over the balcony.
Thank you very much, I was ready to throw it in the bin, with your help I fixed it 😊
this guy is 100% legit!! tried it and my lenovo works perfectly fine again :)
Thanks! I did this and it seems to be working. HOWEVER: A note of caution for others trying this -- my Yoga has a rubber strip along the edge near the hinge, and this strip conceals a few screws. On a machine like this, I think you need to pop off the strip (which I didn't do) and then take out the screws.
Thanks for this, it really helps.
This helped me. Thank you 🙏🏽
Thank you - this was an easy fix!
Thank You so much!! I was loosing my marbles.
Thanks man it worked out great for me❤️
This absolutely worked for my yoga 370
THANK YOU!!!! This totally fixed my problem! Thank you!!!!!
Thank you, worked great.
ThNk you so much! Worked perfectly!!
Thank you! It worked.
Holy shit this saved me so much money on repairs & also 40 pages of work I'd done before it crashed
It worked, thanks so much
Thank you so much
Its worked for me
Your an amazing man thank you so much
Have been dealing with Lenovo (premium on-site support 4yr with accidental damage adder) on this issue with my daughter's laptop for 2yrs now. 4 replaced motherboards and a replaced battery and it continues to happen intermittently (happened yesterday). Lenovo will not admit a wide spread issue and will not replace the laptop or refund. This fix works great, but if you are scared of opening the computer, just leave the computer "on" (you can hear it running, keyboard/power button lit up) and let it run over night to drain the battery (takes 4-8hrs). Once you plug it in, it will boot fine. Replicating the power drain shown in this video. Too bad Lenovo isn't recognizing this issue!!!!
They have the worst customer service ever!!!
Thank You do mucho this is something that I can try
Worked for me! Sad that you have to tear down a brand new pc just for a little issue apparently already known.
Great video! I have a yoga 510 and unfortunately this didn’t work:/ any suggestions??
Good demonstration. Can you show how to replace the keyboard?
Great video
Thank you!!
It's working!
Greatest video
Thanks for this it sorted my laptop right out
Hi, thank you for your help. I did as you have shown in this video and it brought the Lenovo logo but went black immediately.
The keyboard light comes on and off three times and the system will shutdown eventually.
Hi,
I have s Lenovo Yoga 9i 15IMH5
INTEL CORE i9 10gen.
Thank you for the video I am glad it looks it helped a lot of people.
In my case I have followed your video step by step several times but it goes as far as the beep keep flashing on the motherboard but that's as far as it get.
So I have managed to have access to the other side of the motherboard but I couldn't see any CMOS battery the centre middle side of the motherboard is covered by copper foil, and both side of the motherboard are the fans. Please help me to shed more ideas regarding the CMOS.
Iam experiencing exactly the same symptoms you have described in the video.
Thank you for your help.
Kind regards
Thanks pal!
I have a yoga 920-13ikb, this just happened yesterday where the screen went black. I heard it could also be a ram issue but my symptoms are exactly as described as yours. How do I tell if it's a ram issue or firmware issue like you say?
How did you unscrew the tork screws, what did you use
Wait, so you basically just reseated the machine and that's it? I'm going to try that and see what I get. Do you know if there is any way to test whether the bios fix worked and was reset without removing the motherboard and messing with that bios battery? Thanks for the video! I bought my C940-14IL as an open-box special last year and it started giving me the random "black screen, unresponsive display" thing around 4-6months ago, only when I was on battery power. I was worried maybe something had critically failed.
What size screwdriver do you need for a lenovA yoga 15
Thank you, this fixed it right away!
Worked, removed battery and set it up again
I need to fix this on a Lenovo Thinkpad yoga X390, is this any different do to the thinkpad series versus the plain Yoga series?
I have a Lenovo yoga 730-13” and the monitor started glitching a few months ago, now it doesn’t work at all. If I plug it in to an external monitor I can use the laptop. So it appears it’s just the monitor/ screen. Is this video the fix for that? I don’t want to take it to a repair shop and be told I need a whole new motherboard. Thanks for your videos!
I have the same problem with my thinkpad yoga 260. The power button is green, the red light on the thinkpad logo is on. But the screen is black. It's like it doesn't connect with my screen. I just did what you said in the video but it doesn't work.
Thanks! fixed mine it broke by holding down power button when closed
Need help can you do a video of how to disassemble and get to the CMOS BATTERY; THERE is actually no video of the particular model you are working with
Hi.I have a Lenovo Yoga 500 that works perfectly well when plugged, but as soon as I unplugged it from the USB type power port, the screen suddenly turns black
Thank you ma men
Hi, Thank you for sharing your knowledge. I have a lenovo yoga duet 7 13iml05 which went dead, was watching a movie and the machine died. Thereafter, no matter how much I try charging over night, new charger; the machine will not start. I see two blips from led, the fan starts and thereafter nothing just dead. Any recommendations? Best, NN
How about lenovo yoga 530 during installation of OS when the computer turns off After installation and it would not turn on back to finish the installation can you help me regarding this problem?
Can you let the battery die naturally and apply the same steps? I don't have tech screwdrivers.
big heart for u
Did this on my yoga 260. I even did unplug the bios battery and the ram. Nothing works. It turns on, keypad lights on but not the caplock. All i can hear is the fan. Removed ssd and tried to boot it fom another computer. It boots after taking ages but screen remains frozen on the windows page. Wonder if windows 10 could be the culprit? My ssd files are accessible if plugged to another pc as an external drive.
I've got a lenovo yoga 530 - 14rr with that problem, but disconnecting the battery didn't work. I would like to replace the cmos battery but can not locate it. Is it really on the backside of the board?
What's common issues for lenovo yoga slim 7 14 (2021) ?
I have the same problem. Computer boots up but nothing on the screen - I can see the display through a second screen. The problem crops up everytime I restart or reboot the computer. I tried draining the battery fully and then booting it up and it worked. But when I restarted it again, it stopped working. But this time even when I drained the battery fully, it has still not worked. Any suggestions?
For the Lenovo slim pro 7 x there is no need to flip the whole motherboard to get to the Bio/CMOS battery, it's simply under the normal battery on the right side
Had the same problem described here with a nearly new Yoga 7i. Disconnected and then reconnected the battery. Closed it back up. Now I have the orange light next to the power input blinking orange continually. And no battery indicator on the bottom right side of the screen. I'm able to type this because the computer can put an image up on a Panasonic TV via a USB-C, then HDMI adapter connection. Help! I need this computer for work. Paid way too much for it for this.
my yoga s940 had been checked in official lenovo service center. And they told me to change the entire lcd module. Unfortunately, the sparepart is discontinued so they dont give me any other alternatives. Do you think they have tried this solution? I mean before suggesting to change the sparepart as the only way solution
Hi,
thanks a lot for the video ant the detailed explanation!!! I got two problems with my Lenovo X1 Yoga Gen 2 (20JE) and I hope you can help me.
1. Since about a week, when I turn on the X1, the screen starts flickering with showing strange horizontal lines when the Lenovo logo is being displayed. Sometimes the screen turns completely black. Everything works fine with the external display. Sometimes it helps to login and turn the display brightness down to the minimum and the display works fine. When the battery level is going down close to the minimum the screen starts flickering again, when the brightness has been increased again. I found some articles saying that I will have to replace the OLED-cable (WQHD eDP Cable / LCD Cable ( 450.0A90A.0011); pretty short cable just going from the motherboard inside the cover of the hinges to the top cover ) others mention the LCD cable (the long, copper coloured one with a V-shape, glued on the rear side of the display). What is your opinion in this case? Could it really be one of the cables? For accessing the BIOS chip, I will have to take the motherboard out, because I didn’t find it on the rear side. I will give it a try, today.
2. The second problem is a little bit awkward. I set the supervisor password in BIOS and am sure that I wrote down the correct one. This was when I got the X1, years ago. Unfortunately, it does not work anymore. How can I reset it, without having the BIOS chip being replaced? I found a RUclips video where it was mentioned that it might help to shorten the pins 1 and 2 of the BIOS chip when powering the X1 on to be able reset the supervisor password. Is this correct? Did you try that, too? I am a little bit concerned, when it comes to just shorten pins on a motherboard. … or is there another, better/easier method that you could recommend?
Best regards!
Hi Sir, Thank you for the video. My laptop has become the same. I did the same but it did work. The display goes black but when I put the laptop in sun for 5 minutes the display began to work properly. Can you please tell me what's the problem.
I'm having this problem with my flex 5 14" the backlit keyboard lights up from dim to bright and if i click the power button it turns off making a noise
didn't quite catch... should the computer be on or off when draining the battery?
please, I need your help my Lenovo Laptop yoga C940 (14) i7 10th Generation the screen has been shaking since a chains operation system to windows 11 even sometimes it’s off by his self
I have lenovo yoga 6i. It’s like 6 month old. I am having same problem. But in my case it is showing the yoga in startup but after that it’s full black. What can i do now? My laptop has warranty.
in my yoga S940-14iil Ihave similar problem with one difference when lid is open 3 cm high screen is working also touch pad- but when start opening further it goes black- is this same or different issue?
Hello
My Lenovo yoga c940 having trouble while connecting wifi flicking screen in desktop mode only not in tablet mode. Please help.
Thanks for making this video. This didn't work for the Yoga 910 I'm trying to fix, but maybe I also need to disconnect the bios battery as you suggest. I just need to find it, hopefully without tearing the whole thing apart.
Did you get it working?
I'm currently trying it for my 920 as well. There's no bios battery and I read somewhere that I should remove the main battery and then use a connector to short the positive and negative on the motherboard. MAKE SURE BATTERY IS DISCONNECTED. I haven't tried it yet as I came here to look for more info.
Hi thanks for the video,.do you know how to go into BIOS settings on this laptop? Thanks for any information
press and hold Fn + F12 at the boot time
My yoga 500 laptop is not turning on,last night I worked and I turned off properly, next day when I switch on it won't,and battery power is on but display is black. Please tell me the possibility of problem of my laptop. Please
Hey bro is there really CMOS battery below the keyboard???
That chip is Winbond 25Q128JVSQ 1949
Will this work if the Lenovo logo shows up, the sounds come on, but the screen turns completely black after?
Still didn’t fix my problem. Darn! Lenovo C740 laptop . What else can I try?
I followed this as instructed, and the screen remains black. I've been able to find nothing about a bios or CMOS battery for my model. Not only that, but now when it powers on, I don't hear the clicks and the fans do not engage. 😕 I'm using a Lenovo Yoga C940-14iil.
I have c740 14inch and it's been like this since the second day of use,sent it to repairs and they say I need a new board Can I mail this to you?from Ghana
Thank you for this video. I have another question. I dropped my Yoga c 930. All is working fine except keyboard. When battery is less then 100% ( no matter on charger or not) the keyboard works fine. If battery reaches 100% and is on charger the keyboard doesn't work properly. I have to unplug the charger and the keyboard works fine. Any idea what's going on and how to fix this?
Just a guess ( had this issue on a Dell laptop) - order a new battery and replace it, see if it solves the issue. This only works if the keyboard has a delay when typing. You can always return the battery if it turns out not to be the issue.
I have a yoga 14 but it turns on but the screen doesnt after some abuse to the hard drive