Win7 system Computer "sleep wake" can not wake up how to do

Failure phenomenon:
Windows 7 Computer "sleep wake" can not wake up, how to resolve.
Solution:

Update Driver

Ensure hardware drivers are upgraded to the latest version. We can use Windows Update. Start-> Windows Update-> carriage return in the Search program and File box.

Start the check by checking for updates . If you have a new hardware driver, it will remind you to install it.

You can also go to the computer hardware manufacturer's website directly download the driver, and then manually installed.

Put this picture away. expand this picture

Check to see if the hardware supports

1. Start-> in the search program and File box with cmd -> carriage return.

pops up a command-and-call window. Enter powercfg-a in the inside to press ENTER.

The results of the run we look at:

Let's interpret the result above. This shows Standby (S3) to show that your machine supports sleep functions.

If your hardware does not support sleep, you may need to contact your computer manufacturer to upgrade your BIOS. By the way, most of the newly bought computer hardware can basically meet the requirements of computer sleep.

Put this picture away. expand this picture

Check which devices can wake the computer

2. If the command window is turned off, open it again. Start-> in the search program and File box with cmd -> carriage return.
4. Then hit the powercfg-devicequery wake_armed Press ENTER.
   
   
6. The results of the run we look at:
12. Let's interpret the result above. There are two of the machines that can be awakened in the current situation, and we use a and B to mark them out. A is a mouse device, indicating that the mouse can wake the machine. B is a network card that indicates that the machine can also be awakened from the Web (this is typically used only in a corporate environment).
14. If the mouse device is not listed, you cannot wake the machine with the mouse. We need to turn on the wake-up call (keep looking at the next section).
16. 
    

    
    

    
    

    Put this picture away. expand this picture

    
    
    To turn on the wake-up feature of a device
    
    
    
    
    1. Start-> the Device Manager -> carriage return in the search program and File box .
    
    
    
    When Device Manager is open, a list of devices is listed. Find a match for your mouse, right click on the property .
    
    
    
    Click on the Power Management tab to allow the device to wake the computer and then press OK to exit.