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Screen flickering when charging

StingBull
By StingBull
in Troubleshooting
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Posted

Apperanly I am cursed because this is the 3rd laptop I bought in the last 2 years and I am having problems yet again. But this problem is rather bizarre. I have the Lenovo Y50 with Windows 8.1 installed and the screen flickers sometimes when the laptop is charging. The flicker happens when I'm holding the laptop on an uneven surface (my lap) but not on a table.

 

And the weirdest thing is I thought this was just a problem with the connector from the mobo to the screen but it can't be because the flicker only occurs while charging. I I unplug the laptop while it is flickering the flicker stops.

 

Here is a video of the flicker, it intensifies towards the end.

 

View My Video

The stone cannot know why the chisel cleaves it; the iron cannot know why the fire scorches it. When thy life is cleft and scorched, when death and despair leap at thee, beat not thy breast and curse thy evil fate, but thank the Builder for the trials that shape thee.
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https://linustechtips.com/topic/213558-screen-flickering-when-charging/
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Posted

that looks like either panel or power feed to the panel is not doing so good

mY sYsTeM iS Not pErfoRmInG aS gOOd As I sAW oN yOuTuBe. WhA t IS a GoOd FaN CuRVe??!!? wHat aRe tEh GoOd OvERclok SeTTinGS FoR My CaRd??  HoW CaN I foRcE my GpU to uSe 1o0%? BuT WiLL i HaVE Bo0tllEnEcKs? RyZEN dOeS NoT peRfORm BetTer wItH HiGhER sPEED RaM!!! dId i WiN teH SiLiCON LotTerrY? yOu ShoUlD dEsHrOuD uR GPU. my SYstEm iS UNDerPerforMiNg iN WarzONE. can mY Pc Run WiNdOwS 11 ?? woUld BaKInG MY GRaPHics card fIX it? MultimETeR TeSTiNG!! aMd'S GpU DrIvErS aRe as goOD aS NviDia's YOU SHoUlD oVERCloCk yOUR ramS To 5000C18! jellYfIn Client siDE TRanscoDinG

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Posted
  • Author

that looks like either panel or power feed to the panel is not doing so good

 

Why does it happen when it is charging only? And why only when the laptop is on my lap?

The stone cannot know why the chisel cleaves it; the iron cannot know why the fire scorches it. When thy life is cleft and scorched, when death and despair leap at thee, beat not thy breast and curse thy evil fate, but thank the Builder for the trials that shape thee.
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I have managed to pinpoint the exact orientation laptop needs to be for screen to start flickering. It has to be 30 degrees to the back away from me.

Fucking hell, why do most bizarre hardware problems find me whenever I buy a laptop.

The stone cannot know why the chisel cleaves it; the iron cannot know why the fire scorches it. When thy life is cleft and scorched, when death and despair leap at thee, beat not thy breast and curse thy evil fate, but thank the Builder for the trials that shape thee.
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Posted

If it's only in a specific orientation it might be worth it to open it up and check the connections

My Rig:


Model: P650RG | Brand: Clevo | CPU: 6700HQ | GPU: 980M | RAM: 16GB KINGSTON HYPER-X DDR4 | SSD: 2x 480GB Kingston KC300 | Screen: 3K Panasonic IPS LED 

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When the laptop is plugged in, it switches to the dedicated graphics(NVidia 860M for the Y50 I believe). Could be a bad chip or a bad connection to the chip.

 

Try forcing it to use the integrated graphics when it is plugged in and charging, and see if the flicker stops.

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  • 4 months later...
  • 6 months later...
Posted

Did you find a solution to this? 

 

I'm in the same boat and desperate for answers. Bought mine (Y50-70) in Europe and brought it with me to The Dominican Republic. Small flickers when I charge it (afaik) and I REALLY don't want it to fail on me while I'm here. Big questions are; does it lead to a bigger problem? Does it damage the battery? Had none of the problems at home, which makes me wonder if it could be related to the change in eletrical systems, from 220v to 110v.

 

Anyway, I'd love to hear how it went with your laptop! 

 

Please let me know :)

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  • 1 month later...
Posted

Hi,

 

3 months ago my Y50 started to flicker all the time. First time only while charging, then all the time. I had send it to service and it came back with a new screen. After 1 month with the new screen it started to have total Black Screens. Only rebooting was getting the screen back to work. Just had a call with the technician at Lenovo and he said it should be the connection cable. 

 

Amazing troubles with the screen and hope it will finaly work after replacing CABLE + SCREEN.

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