What should I do if the keyboard cannot be used normally after the win7 computer is turned on?

　What should I do if the keyboard cannot be used normally after the win7 computer is turned on? Some users have encountered a situation where the keyboard cannot be used after the computer is turned on normally. In the last use, the keyboard could be used normally. There are many reasons for encountering this situation, and we can use different methods to troubleshoot the problem. Many friends don’t know how to operate in detail. The editor below has sorted out the solutions to the problem that the keyboard cannot be used normally after the win7 computer is turned on. If you are interested, follow the editor to take a look below!

## The solution to the problem that the keyboard cannot be used normally after the win7 computer is started Method

　1. Check whether the data connection cable of the computer keyboard is normal.

　2. Check whether the USB interface connected to the keyboard is in poor contact.

　3. If there is no problem, then open the computer control panel, find the keyboard option under Accessibility.

　4. Find the Use filter key under the keyboard, uncheck the previous checkbox and click OK.

It may be the following problems:

1. The USB keyboard and mouse may not be enabled in the BIOS settings, but the keyboard and mouse are USB interfaces. Unplug the USB keyboard first.

　2. In this case, you can find the PS2 keyboard interface on the back of the host. Find a keyboard with a PS2 interface, the round one, and plug it into the computer.

　3. Start the BIOS and enable the USB keyboard and mouse: After entering the BIOS, select Integrated peripherals--Onboard Device. After entering, you can see the options for the USB keyboard and mouse. Change the USB Keyboard Supprrt to Enabled. The following Same for that one.

　4. Plug in the USB keyboard.

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