Dear John,
Have you installed the proprietary drivers for you machine in the
previous installation before upgrade? That's the cause of many "black"
screens in boot menu. If this is the case you must remove them and
install the open source one. Also it would be helpful if you could check
lightdm (the corresponding gdm) with the following command:
sudo systemctl status lightdm.service
Kind Regards,
Diamantis
Am 30/04/2016 um 08:57 μμ schrieb John Deakin:
I have just tried updating a Dell laptop using the on-line procedure.
When the setup was complete and I did a re-boot the OS just came up
with a blank screen and the system seemed to go into suspension.
The only way I can boot is to select Recovery mode in Grub and then
select Resume normal boot on the Recovery window. This then returns to
the Recovery window and I have to repeat the same procedure.
The OS then finally reboots into graphics mode and all is well after
that.
Any ideas please on what went wrong and how I can corrects things?
regards,
John
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