Hi,
Perform the following steps and check:
**Step 1:**Perform the steps mentioned in the following link and check:
Error: "Bluetooth peripheral device driver not found" when you try to connect a bluetooth device
http://support.microsoft.com/kb/2654568
**Step 2:**If the issue still persists then try the following step:
a. Turn
on your bluetooth device
b. Right click the bluetooth device icon in the system tray
c. Choose / click "Show bluetooth devices"
d. There will be some list of devices you ever paired with (like your phone, other laptop, etc).
e. Just remove the entire list and check.
Also refer these links for more information:
Add a Bluetooth enabled device to your computer
http://windows.microsoft.com/en-US/windows7/Add-a-Bluetooth-enabled-device-to-your-computer
Connect to Bluetooth and other wireless or network devices
http://windows.microsoft.com/en-US/windows7/Connect-to-Bluetooth-and-other-wireless-or-network-devices
Let us know if it helps.