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How to Repair a Windows Keyboard Driver
A faulty keyboard driver can render your keyboard inoperable in Windows 7, which leaves you at the mercy of mouse-only operations. However, Windows offers an easy fix to this problem through the Device Manager, but your first step should be to verify the keyboard's connection and to make sure it is not physically damaged.
Examine the Keyboard
Examine your keyboard to make sure it is not physically damaged. While drivers can cause problems, sometimes it's the simplest things that cause a malfunction. If liquid was spilled into the keyboard, it is likely you will need to replace it. Also, examine the keyboard cord to make sure the wires are not exposed. If you are using a wireless keyboard, try changing the batteries and see if that solves your problem.
Keyboard Connection
Verify that the keyboard is properly connected. If your keyboard is not properly connected, it's possible that the driver did not load. Follow your keyboard's cable and make certain it is connected to the appropriate port. USB keyboards should be connected to a USB port on your computer, and round PS/2 port keyboards should be connected to the similarly-sized port that is labeled with a picture of a keyboard. Wireless keyboards should be connected according to the manufacturer's instructions.
Windows Driver
The standard Windows keyboard driver is packaged in Windows 7, so you do not need installation CDs or additional downloads. To install the best driver for your keyboard, uninstall the original driver and allow Windows 7 to reinstall it after rebooting. This is performed through Windows' Device Manager, but getting there may require mouse-only navigation.
Using Only a Mouse
Click the Windows "Start" button, right-click "Computer" and select "Manage" to open the Computer Management window. Select "Device Manager" from the pane on the left. Expand the Keyboards section, right-click on the keyboard you want to repair and choose "Uninstall." Click the Windows "Start" button and select "Restart." When your computer boots up, Windows will detect your keyboard and install the driver.
Proprietary Software
Some keyboards require proprietary Windows-based drivers to access advanced features of your keyboard, such as media controls and hot-keys. These drivers are available on the CD that accompanied your keyboard, but you can also acquire them from the manufacturer's website. Once the driver installation program is located, you simply need to run the program according to the instructions provided by the manufacturer.
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