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
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.
Before you do anything too drastic, I would suggest a few checks.
Here's what I would do:
1. Open System Monitor and check the figures for memory, disc and CPU.
High usage of any of these might give a clue to follow up.
2. Do the figures for memory usage stack up with the amount of RAM in
3. If nothing looks wrong initially, leave System Monitor running and
see if any of the values are increasing over time.
4. If everything looks OK, boot into memtest and make sure that the
hard disc is OK.
There may be other suggestions forthcoming.
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