Hello Chris,
Welcome to Microsoft Community Forum.
As per the description, I understand that there are a number of wireless keyboard and mouse and you are not able to pair the keyboard and mouse with the computer.
I would appreciate if you can provide us the following information to help us understand the issue better.
- What happens when you try to pair the mouse and keyboard with the computer? Do you get any error message?
- Is your computer able to detect the mouse and keyboard?
- Were you able to pair these devices earlier on this computer?
Before you can add a Bluetooth enabled device to your computer, you must do things to make sure your computer and the device are ready to connect:
Make sure that the USB adapter is plugged into the USB port and functional and make the USB devices turned on and discoverable. Refer the Microsoft article below to make sure that your computer is ready to pair with the wireless devices.
Add a Bluetooth enabled device to your computer.
http://windows.microsoft.com/en-us/windows7/add-a-bluetooth-enabled-device-to-your-computer
Also see: Add a Bluetooth or other wireless or network device: frequently asked questions.
Wireless Desktop 2000.
http://www.microsoft.com/hardware/en-us/p/wireless-desktop-2000
Hope this information is helpful. Please let us know the results. Feel free to write us back for any further assistance, we’ll be glad to assist you.