Solved! Keyboard and mouse problem

Solution
You don't say if it is the attached ones or external ones.

Also, have you tried using "System Restore" and restoring to a point prior to the driver change? This may resolve your issue.
You don't say if it is the attached ones or external ones.

Also, have you tried using "System Restore" and restoring to a point prior to the driver change? This may resolve your issue.
 
Solution