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E7270: Screen turning on and off and flicking when turning back on


reddpen

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I've observed an issue on my E7270 that I can't find anything about online - when the display turns itself off and comes back on, it flickers and turns on and off. This happens when the screen goes to sleep from inactivity, or when the computer itself goes to sleep. The only way to make it act normal again is to reboot it. Has anyone seen this? Any idea where to start to fix this issue?

 

Thank you!

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Just to be sure, I verified the 0x432 value and it is showing 0x03 instead of 0x3. When I try to set it to 0x3, it sets itself to 0x03. Could this be the issue?

 

Edit: I changed dvmt to 0x1 and 0x4 and both times it would not boot, so I guess 0x3 really is the sweet spot.

 

Also I checked my BIOS, I'm on 1.12.3, downloaded from here.

post-106621-0-77887500-1489310659_thumb.jpg

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