Find Last Time your PC Turned ON:
Find When was the Last Time
your PC was Turned on
Start >>
Control Panel >>
Performance and Maintainence
Administrative tools >>
Computer management>>
Event viewer
Click on the system log
and find the time when
your PC
was last on
You can Now check
Everything including when
your computer was
On ,Off,Sleeped ,
Logged on and off etc.
.