Black screen on Graphical Boot Menu [Dual Boot] - Microsoft Community


i have non-standard installation:

  • ssd1: windows 10 (1)
  • ssd2: windows 10 (2)

it working fine year. user select os via metro boot menu. 
1 of windows (1) got creator update. 

today graphic boot menu shows black screen. can still select windows boot using arrows , hitting enter (blindly), it's kinda working. it's super inconvenient , graphic boot menu back. 

have 2 monitors if it's matter.  fast boot turned off. eascybcd shows no errors in bootmanager, metro menu active. both os works fine when loaded. 

any suggestions cause , how can fix it? is'it boot menu/windows problem or monitor/graphic drivers maybe?

nick dich, thank reply.

i solved problem, still not quite sure exactly was cause. seems user forgot turn off connected multimedia devices (external soundcards) while updating os. turned them off, did cold restart , boot screen fixed. 



Windows / Windows 10 / Power on or off a device / PC



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