11-04-2020, 07:12 PM
When frozen, you can try CTRL + ALT + F3. This may drop you to a full screen login at which you may be able to log on and diagnose the problem. Press CTRL + ALT + F7 to return to the GUI if you manage to fix the problem while in the terminal session. If you can't fix it, then you may be able to initiate a shutdown and reboot from within the terminal.
If you can't get into a terminal hold down ALT + SYSRQ together and with them held press the 'r' 'e' 'i' 's' 'u' 'b' keys in that order allowing a couple of seconds between each letter. This may initiate a tidy shutdown.
If you can't get into a terminal hold down ALT + SYSRQ together and with them held press the 'r' 'e' 'i' 's' 'u' 'b' keys in that order allowing a couple of seconds between each letter. This may initiate a tidy shutdown.
stevef
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