Win7 Professional System Start menu options Gray could not sleep how to do

  
Win7 click on the Start Menu Pro system can not sleep option gray Click how do

1, click system win7 Start menu - Control Panel - System and Security - Power Options;

2. Click on the power plan you are using (usually balanced) to change the plan settings - change the advanced power settings;

3. Click on the plus sign before sleep - allow mixed sleep Set to disable (ie, turn off) Sleep is set to a number after this time.

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