win7 can not wake up after going to sleep How to solve
First open a command prompt window, enter the command PowerCfg -DEVICEQUERY wake_armed.
If there is a prompt in the figure below, the mouse and keyboard can wake up the computer. If not, it means that it can't be opened.
At this time we can open the device manager through the search bar of the start menu.
Then expand the mouse and other pointing devices, right click on the mouse device and open the properties.
Click Power Management in the Mouse Properties window.
Check the box to allow this device to wake the computer.
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