Ubuntu 12.04.2 64 bit server edition OS on Dell Optiplex 390 doesn't restart/reboot

[compdoc]

> The box does not restart when i issue a command /sbin/shutdown -r now and
just freezes

 

 

Have you seen this:

 

http://www.ubuntu.com/certification/hardware/201101-7167/

 

Also, is it using the latest bios from Dell?

 

 

 

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