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I did a fresh install of Ubuntu 16.04 a few days ago after receiving my laptop from a major hardware repair. Unfortunately, it crashes often (a few times daily), and I cannot discern a pattern as to what might be the cause. The first few times it was when running unison and synchronizing files, but last time it crashed when it was streaming music and not being 'actively used'.

Raising the pink elephant (alt+sysreq+ R, E, I, S, U, B) does not help and also not cause the system to reboot.

The crashes usually cause visual artefacts on the screen; see screenshot: enter image description here

Does someone know, where I could look to find the cause?

I've looked in /var/log/syslog, but I'm not sure what I'm looking for.

ElRudi
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1 Answers1

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Rule out drive issues by check Smart status of the drive(s) as outlined on this page

Run memtest86 to rule out memory errors as described here. If you have an EFI system you'll want V5 or later which support EFI boot. The latest version is available here

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Elder Geek
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