1) Using Event Viewer
Filter on Event ID 6005.
The date and time when the Event ID 6005, The Event log service was started, is logged is the time when the Windows system was started.
- You can see all startup times
- Can also be used on remote systems.
2) From command line
Go to Start, Run. Type Cmd (Enter). On the command prompt type: net stats srv
Look for the text: Statistics since … For example: Statistics since 18/09/2009 9:34:09, meaning the Windows system was started on 18/09/2009 at 9:34:09.
You can also use the FIND command to retrieve only the line containing the time when the machine started.
net stats srv | find /i “statistics since”