I think it's more likely that you have a bad display cable, perhaps?
Hamish
On 14/12/2022 12:28, Peter Merchant wrote:
I seem to remember a discussion some time ago about changing screen
firmware from NVidia to Nouveau. Is it possible that doing this would
fix my problem?
Peter( this time using his correct email address!)
On 13/12/2022 21:50, Peter Merchant via dorset wrote:
Just now when this occurred, I switched off the monitor, and after a
few seconds switched it back on and the screen came back to life. So
the problem isn't with Kubuntu, unless there is something in the
graphics causing it. Maybe my screen is getting old. It's random
because it didn't occur at all yesterday, and has happened a few
times today.
Peter
On 11/12/2022 12:55, Peter Merchant wrote:
If I leave my Kubuntu 20.04 for awhile, I have usually left
Thunderbird and Vivaldi up, and when I come back and try and do
something the computer goes off into never-never land, the screen
goes blank, and I can hear the HD crunching, and it needs the power
button hold down to shut it down.
I think that this has happened after a boot up, if I have left it
for awhile and I hit T'bird and Vivaldi one after the other to
bring them up.
Any thoughts on where I should look to track this problem?
I am tempted to bleachbit the computer, or to replace Vivaldi with
Opera on the offchance that Vivaldi is the cause.
Cheers,
Peter
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