[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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https://bugs.launchpad.net/bugs/1637646
Title:
Black screen when booting
Status in linux package in Ubuntu:
Expired
Bug description:
I have just upgraded from 16.04 to 16.10. The installation has dm-
crypt installed in the whole hard drive.
If I try to boot up the computer with kernel 4.8.0-26, most of the
time (probably 9 out of 10) the computer gives a black screen instead
of prompting for the dm-crypt passphrase. I try to remove "quiet
splash" from grub (I can see the grub boot menu every time) but this
does not help.
Even I am lucky when the system prompts me for passphrase and the
computer comes up successfully, the screen goes completely black again
if the screen turns off once I idle the computer for a few minutes.
The computer is still running (I can login to the computer remotely),
just the screen becomes unavailable no matter what key I press.
I still have the old kernel 4.4.0-45 from 16.04 installed and this
kernel allows me to boot up the computer every time.
My computer is a HP Elitebook 745 G3 notebook with AMD PRO A10-8700B
R6 APU.
Please let me know if I need to provide other information.
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