how to set when Windows 7 goes to sleep

• Open the Control Panel in the Start menu.
  
• Open Power Options in the Control Panel.
  

Note: If Power Options is not available, change View by to Large icons at the top right of the Control Panel.

• Click Change plan settings next to the power plan you want to edit.
  

• Change the drop-down menu next to Put the computer to sleep to the amount of idle time before the PC goes to sleep and then click Save changes.