try this something that has worked for a lot of glitches in the past and often today turn off computer remove battery on laptop remove power cord if plugged in/press power button down hold in for 30 to seconds let go of button insert battery back in and power turn laptop back on see if this clears the problem.if not sometimes you may have to do this a couple of times for it to get rid of the problem.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Compnet Ventures, LLC hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.