What should I do if I cannot wake up when I wake up my sleep on Windows 7?

Today, I will give you a detailed introduction about how to solve your computer's "sleep wake up" and cannot wake up. If you have such problems, you will not be able to access the system.

Fault symptom:
In Windows 7, "sleep and wake up" cannot be awakened. How can this problem be solved.
Solution:

Update driver

Make sure that the hardware driver is upgraded to the latest version. We can use Windows Update. Start-> Search for programs and file boxes with Windows Update-> press Enter.

 

 

PressCheck for updatesStart check. If you have a new hardware driver, it will remind you to install it.

 

 

You can also download the driver from the website of the computer hardware manufacturer and manually install it one by one.


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Check whether hardware is supported

1. Start-> inSearch programs and file boxesEnter cmd-> press Enter.

A command dialog box is displayed. Enter powercfg-a and press Enter.

Let's take a look at the running results:

Let's explain the above result. Shown hereStandby (S3)This indicates that your machine supports sleep.

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


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Check which devices can wake up the computer

1. If the command window is closed, open it. Start-> inSearch for programs and filesIn the box, press cmd-> enter.
2. Press PowerCfg-DEVICEQUERY wake_armed and press Enter.
   
   
3. Let's take a look at the running results:
5.  
6. Let's explain the above result. In the current situation, there are two machines that can be awakened. We use A and B to mark them. A is A mouse device, indicating that the mouse can wake up the machine. B is a network card, indicating that the machine can also wake up from the Network (this is generally used only in the company environment ).
7. If the mouse device is not listed, you cannot wake up the machine with the mouse. We need to enable the wake-up function (continue to read the following content ).
8. 
   
   
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   Enable the device wake-up function
   
   
   
   1. Start-> inSearch programs and file boxesEnter "Device Manager"-> enter.
   
   
   
   After the Device Manager is enabled, a series of devices are listed. Find a corresponding item and right-click it.Attribute.
   
   
   
   Click to openPower ManagementTab, hook upAllow this device to wake up the computer, And then pressOKExit.