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Reinstall the system, and the mouse and keyboard will not light up after restarting.
This situation is caused by not installing usb main chip driver.

You can install it with the driver CD attached to the purchase machine, or you can update the driver with the computer housekeeper.

1. Open Tencent Computer Manager and click "Toolbox".

2. Find "Hardware Detection" in the toolbox.

3. Click "Driver Installation" in hardware detection.

4. You can see the "Installation Status". If it is not installed, you can click Install directly.