Ever wanted to know when your PC was last turned on by someone at home or office? Often there arises a situation when you desperately want to know the start up time, the reasons may be endless.Without using any software’s you can find it easily by just checking the system log.You can get the complete information from the log file
Steps you need to follow:
  1. Start >> Control Panel >> Performance and Maintainence 
  2. Administrative tools >> Computer management >> Event viewer  
  3. 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.