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vkm132
Paper Tape
Posts: 3
Registered: ‎06-12-2019
Location: US
Views: 271
Message 1 of 6

Display screen flickers (blinks goes blank or black) when AC power supply unplugged

My Yoga 900 laptop screen goes blank when i unplug my AC power when still running computer and screen there remains stuck and does nothing. I can see ilumination behind screen but it do not comes back up to display untill I power off lapto with power button and restart laptop again.

Please help e with solution.

Thanks

vijay 

Social Support Agent
Social Support Agent
Posts: 167
Registered: ‎08-02-2018
Location: PH
Views: 233
Message 2 of 6

Re: Display screen flickers (blinks goes blank or black) when AC power supply unplugged

Hi vkm132,

 

Welcome to the Community Forums!

 

Please launch the Lenovo Vantage. If you don't have it installed, you can download it here. Once launched, run the System Update. Here's a video guide on how to get the latest drivers and BIOS With Lenovo Vantage. After installing all the drivers and the BIOS, restart your laptop and observe if the issue persists.

 

Let us know how it goes.

 



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vkm132
Paper Tape
Posts: 3
Registered: ‎06-12-2019
Location: US
Views: 221
Message 3 of 6

Re: Display screen flickers (blinks goes blank or black) when AC power supply unplugged

Hi Maru,
Thanks for your reply. I did as you advised but same issue persists. Hence NO solution.
Please advise next step.
Thanks
Vijay
Social Support Agent
Social Support Agent
Posts: 371
Registered: ‎08-02-2018
Location: US
Views: 212
Message 4 of 6

Re: Display screen flickers (blinks goes blank or black) when AC power supply unplugged

Try checking the power options.

 

1. Go into "Control Panel" and click the "Power Options".
2. Next to the plan that is currently selected click "Change Plan Settings".
3. Now click "Change Advanced Power Settings".
4. Locate the option for running on battery and make sure it is set to never sleep and adjust plan brightness slider. 
5.  Save changes. 

 

Thanks!

 

 



Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.

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vkm132
Paper Tape
Posts: 3
Registered: ‎06-12-2019
Location: US
Views: 190
Message 5 of 6

Re: Display screen flickers (blinks goes blank or black) when AC power supply unplugged

Hi Auxen,
I tried your procedure but no luck. It is still going blank and comes back when you connect to power again. No data or screen is lost.
Please advise.
Best,
Vijay
Gleisonf
Paper Tape
Posts: 4
Registered: ‎08-31-2019
Location: BR
Views: 42
Message 6 of 6

Re: Display screen flickers (blinks goes blank or black) when AC power supply unplugged

I managed to solve by following this video: https://www.youtube.com/watch?v=bGIQxdQrkpk

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