After KB5031445 (W10 Oct QP) by laptop screen goes black but external screen works. Intel HD520 / i7-6500U.

G

Grzywa G

HI, so like in title - after installing this KB5031445 built-in screen goes blank, but external screens work fine. First of all it's not hardware related as after fresh re-install it works fine - until I decide to install KB5031445. Then after reboot - only external screen is working. The built-in screen backlit is on however - it's like it's trying to activate it. I tried many different drivers from intel going all the way back to 15.45... As soon as I remove intel drivers and reboot - windows will install Basic Microsoft driver - then internal screen works ok - but no external screen will w

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