I accidentally killed Compiz in my Unity session and couldn't restart it. So I powered the PC off with the hardware button. I am wondering if that could cause damage to my system? I didn't have any applications running.
asked May 14, 2011 at 12:37
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I lost an entire system once this way. Not really common, but happens. Be a good boy. =D– H_7Feb 26, 2012 at 22:30
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3 Answers
- Ctrl+Alt+F1
- Login
sudo init 0
Is it possible to damage something that way? Yes. Does it happen a lot? Not a whole lot in my experience. If you are trying to get Compiz to restart Ctrl+Alt+T usually pops open a terminal window and compiz & usually gets it restarted.
answered May 14, 2011 at 12:41
That button is there just for the reason of shutting your system down when it is stalled! So in the case of shutdown using the button, no hardware damage is possible (noting that a corrupt file system or stored content is not a hardware problem).
answered May 14, 2011 at 12:42
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valid point. i just didn't want to deal with blowback from - i did it while upgrading my kernel and now b/c a grubinstall partially completed my PC won't boot...sometimes there just isn't a 100% correct response. May 14, 2011 at 12:44
the kernel has a few keyboard combo's in there that allows you to shutdown or logout safely:
alt gr + print screen + k (returns to login screen)
alt gr + print screen + o (safely forces a shutdown)
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2The description is incomplete. Alt+PrintScr+K kills the current tty which may be the graphical desktop. Alt+PrintScr+O does not safely force a shutdown, it forces a shutdown! (note the omitted "safely"). See askubuntu.com/a/36717/6969 for a correct order of keystrokes Dec 15, 2011 at 10:04