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2 Posts

02-14-2018

United States of America

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  • Message 301 of 304

Re:Lenovo Yoga C940 screen glitches, flickering, flashing

2021-07-05, 21:31 PM

I have been using my new Lenovo for 3 weeks and have experienced the screen shutting down, random patterns and flickering screen since I got it.  This happened before and after the bios update last week.  Is it time to take it in under warranty?

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160 Posts

04-26-2020

United Kingdom of Great Britain and Northern Ireland

141 Signins

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  • Posts: 160
  • Registered: ‎04-26-2020
  • Location: United Kingdom of Great Britain and Northern Ireland
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  • Message 302 of 304

Re:Lenovo Yoga C940 screen glitches, flickering, flashing

2021-07-05, 21:40 PM

Sounds more like a hardware issue.

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4 Posts

06-13-2018

United States of America

11 Signins

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  • Location: United States of America
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  • Message 303 of 304

Re:Lenovo Yoga C940 screen glitches, flickering, flashing

2021-07-05, 23:47 PM

If you haven't tried the latest graphics driver from Intel's site I would try that first before sending it in. Ours did not have screen problems when we received them and the problem seemed to be possibly caused by an update. Others who sent theirs in had parts replaced by Lenovo and most seemed to still have the issue after they got it back from warranty repair which is another reason I tried all the other things first. If the things I did hadn't fixed the issue I would then have sent it in. I had a couple more of the 940s start to have the issue and doing those things seems to have fixed the problem. We also have a 3 year warranty on them so I knew I had time to try to solve it on my own. If you are running short on warranty then you should probably send it in so you have a record showing it started while under warranty. Good luck.

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1 Posts

07-09-2021

United States of America

5 Signins

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  • Registered: ‎07-09-2021
  • Location: United States of America
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  • Message 304 of 304

Re:Lenovo Yoga C940 screen glitches, flickering, flashing

2021-07-09, 17:53 PM

I had similar issue , and it was with the graphics driver. I got the driver from some forum but not having the details of the forum. I installed driver igfx_win10_100.9025.exe and it got fixed. But the driver every time one way or other getting updated and the issue happens over and over. I have to downgrade when I see the issue. I hope this would fix. Tryin to attach driver but not sure if it allows.

adding driver link https://downloadmirror.intel.com/30027/a08/igfx_win10_100.9025.exe 

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