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What's DOS?
Posts: 1
Registered: ‎09-02-2015
Location: somerset
Views: 2,199
Message 1 of 3

Lenovo B50 - Screen goes white and flashes.

I have just purchased a Lenovo B50 laptop and the screen keps going white and flashes a lot.




Mod's Edit: Added additional information to Subject line for clarity of problem.

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Social Support Agent
Posts: 5,824
Registered: ‎02-11-2012
Location: PH
Views: 2,190
Message 2 of 3

Re: Lenovo B50

hi cadillac59,


Welcome to the Forums.


Your problem might be similar to this thread.


Can you try the following:

1. Set the power plan to High Performance

2. Follow this guide on how to disable Adaptive Brightness

3. Update the display driver to the latest.


If you have the B50-30, B50-70, or B50-80 then try installing this driver or a higher.version



Intel® Iris™, Iris™ Pro, and HD Graphics Driver for Windows* 7/8/8.1 64-bit

Version: (

Date: 07/27/2015


Click here for the summar of changes



Let me know your findings,



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Posts: 2
Registered: ‎06-19-2016
Location: AR
Views: 1,543
Message 3 of 3

Re: Lenovo B50 - Screen goes white and flashes.

i have the same issue with my B50-30, and sent it to technical service twice. Both times they said it was the flex wire, and both times had to replace it. But it keeps getting broken only within a month of regular use. My question is: how do Lenovo fix this hardware factory failure? cos apparently it has no actual solution

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