On 4/10/20 8:28 PM, George R Goffe via users wrote:
> what type of graphics device?
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 550M] (rev a1)
(prog-if 00 [VGA controller])
nouveau or proprietary NVidia drivers?
The live image would be using nouveau.
Had you done any updates between the two reboots?
Did you try booting a different kernel from the boot menu?