Windows7 system how to check the computer boot history

Want to automatically use your computer, the best way is to check whether the computer has been opened in the recent time, and how long after booting, so we will I can generally know if the computer has been used.
1
Check computer events, know when the computer has been turned on.
Operation: Right click on the "Computer" icon, select "ldquo;" from the shortcut menu, open “Computer Management&rdquo ; window, select “ system tool → event viewer & rarr; Windows log & rarr; system & rdquo;,
2
select the event "EventLog", the computer boot event is determined by this, so just look This is all right.
3
In this incident, we can still see how long the computer is booting up, which is a good function.
The above is about how to view the boot history of the computer on the windows7 system. This event is usually not noticed by others, so using other methods to see others does not know to delete it. It's easy to know who the computer was ever started.