Why don't the up, down, left, and right keys on the keyboard work?

Solutions to the problem that the up, down, left, and right keys on the keyboard cannot be used: 1. Take the keyboard to another computer for testing. If there is any problem, repair or replace it; 2. Use the system restore that comes with the system; 3. Use the system disk to repair; 4. Set the CD-ROM drive in the BIOS as the first boot device, insert the system installation disk, and press the R key to select "Repair Installation"; 5. Reinstall the operating system.

The operating environment of this article: windows7 system, DELL G3 computer

If the keyboard problem is not a setting problem, it is a problem with the keyboard itself and the system If there is a problem, it is recommended to take the keyboard to another computer for testing. If there is any problem, repair or replace it. If there is no problem with the keyboard, please follow the methods below to repair the system (excluding the keyboard being locked).

1. Turn on the computer and press F8 until the advanced options appear. Release it, select "Last Known Good Configuration" and press Enter to repair.

2. If the fault persists, please use the system restore that comes with the system to restore it to the time when the fault did not occur. (If the normal mode recovery fails, please turn on the computer and press F8 to enter the safe mode. system Restore).

3. If the fault persists, use the system disk to repair it. Open the command prompt and enter SFC /SCANNOW and press Enter (there is a space between SFC and /). Insert the original system disk to repair the system. The system will automatically compare and repair it. of.

4. If the fault persists, set the optical drive in the BIOS as the first boot device, insert the system installation disk, and press the R key to select "Repair Installation".

5. If the fault persists, it is recommended to reinstall the operating system.

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