How to set the standby time of win7 system

After the computer has not been used for a period of time, it will automatically lock, that is, <; computer system standby state & rsquo;.
Standby during this period is usually the standby time, win7 system is free to set the system standby time.
Click [Start] - [Control Panel] to open the Control Panel dialog box.

Click the [Hardware and Sound] tab in the Control Panel, where you can set various hardware resources of the system. Br>
Select [Power Options] tab under [Hardware and Sound], change system power settings

Select [Select time to turn off the display] from the list on the left or select [Change computer sleep Time]

Set the operation of screen brightness, monitor brightness and sleep state when the battery box is connected to the power supply. Select Never sleep, click [Save and modify]