4
votes
3answers
777 views

shutdown -P works, but shutdown -r does not

I have a headless Ubuntu Server 11.04 box. If I use: sudo shutdown -P now It works every time. However, if I instead want to simply restart the machine: sudo shutdown -r now It fails to do so. ...
0
votes
1answer
433 views

My laptop randomly restarts, O.S or hardware?

my laptop is an acer aspire 5630, 5 yers old, running just ubuntu. in the last few days, it did restart randomly in middle of work. 2-3 times. and when it restarts, and arrive to the login screen, it ...
8
votes
1answer
577 views

power menu does not have shutdown and restart

I have Ubuntu 11.04 and I works perfect. I do not know what happened but for no reason the logout, restart and shutdown options disappeared from power menu. I did restart it more than one time ...
3
votes
3answers
4k views

How to set keyboard combination to kill the X server?

It used to be ctrl+alt+backspace to kill x server, but for some unknown reason, it was decided to disable that combination and use something else (I think it is right alt + printscreen +k). So, how ...
5
votes
2answers
2k views

Unable to shutdown/restart/hibernate

After I installed ubuntu 11.04, it wont shutdown nor restart, it just freeze, and I have to hold the power button in order to turn off my netbook. (It also happens on livecd) Can anyone tell me the ...
4
votes
6answers
2k views

Cannot restart, reboot, nor shutdown Ubuntu 11.04

I cannot restart, reboot or shut-down my PC using Natty. Whenever I hit shut-down, restart or in terminal sudo reboot it shows a black screen. If I should press down the power button for while, it ...