If that doesn't help and one USB port works, a USB hub may solve the problem. Try to update the driver or roll it back. (Start > Control Panel > Hardware and Sound > Device Manager (Win7) similar directions in other versions of Windows) Check for a problem with the drivers (For USB ports, scroll down to the USB drivers and look for a triangle with a yellow exclamation point or red x). Check if even one port works enough to access the Device Manager. If another USB keyboard and mouse pair don't work in any port, your USB ports may have failed. If they don't work with another computer, replace them.
Check if the mouse and keyboard work on another computer. If those work, continue diagnostics on the wireless keyboard and mouse.
Try a wired set if the problem is with a wireless pair. Next step, try using a different keyboard and mouse (that work on another computer (stick to USB or PS/2 to match the current pair)). For USB devices, try connecting to different USB ports. For PS/2 devices, you will need to restart the computer to check if the devices work. (You may want to check putting the receiver in different USB ports.)įor wired devices, disconnect and reconnect. Are these wireless devices? If wired, do they use USB or PS/2 connections.įor wireless devices, try replacing the batteries and resynching to the receiver. Please add more information to get specific assistance.
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