>From experience, the two most common causes of machine lock-ups have been mentioned already
- power supplies can easily be tested (I can even lend you a tester) They (power supplies) are very cheap too. - dust buildup on the CPU cooling fins can be sorted with compressed air or a blower (be careful not to cut your fingers on the fan) HTH On 22 October 2014 13:30, Barry <barr...@paradise.net.nz> wrote: > Thanks for your replies everyone. I ran memtester for abt 5 hrs yesterday > without noticing any thing. Box has not been altered for over a year. Gut > feeling is that Mageia 4 has a faulty app which runs before login. No probs > before installing Mageia 4. Not related to wifi problems. Opera was a dog > trying to run facebook and thought at 1st this was the problem but not so > so have gone over to firefox with a far better response. > > Currently running Mageia 2 on a 2nd hd in the same box. Going out now so > will shut all apps down and leave memtest86 alone running > > thanks > > Barry > ----------------------------- > On 21/10/14 16:02, Barry wrote: > >> Hi all, could I have some words of wisdom pls re this problem. >> >> Every so often the box just stops and screen freezes. No mouse, no >> keyboard. I have to switch off then reboot. The 2nd last time this >> happened I had booted, got to the login screen and left it idle for a >> time. Screen was frozen so tried to login from another box but wifi had >> not started (naturally). Next time I logged in & went straight to kde >> system guard to see what was running. The last item started was sleep >> with cmd "K sleep 60". There was another app started by mgaapplet but >> was a zombie so I deleted mgaapplet & crashed the box. Until now I >> thought it was an app I was running but not now. >> >> Any suggestions as to where to look to solve this problem are most >> welcome. >> >> uname -a = "Linux TheBox 3.12.20-server-1.mga4 #1 SMP Fri May 16 >> 16:03:00 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux" >> >> Memory currently 501.4mg/1.5gb. sleep is still running with the highest >> pid. >> >> TIA >> >> Barry >> _______________________________________________ >> Linux-users mailing list >> Linux-users@lists.canterbury.ac.nz >> http://lists.canterbury.ac.nz/mailman/listinfo/linux-users >> >> > _______________________________________________ > Linux-users mailing list > Linux-users@lists.canterbury.ac.nz > http://lists.canterbury.ac.nz/mailman/listinfo/linux-users > -- Robert Fisher
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