Monitor Scramble

[tadpole6262]

Every now and then my monitor scrambles and no way to move mouse have to push off button on tower then start up normal. has been doing this for quite some time

 

[Jonmor68]

Possibly a fauly video card or not seated properly. Power off. Open the case and firmly push down on the card, if it has a fan make sure it's working and is not cloged up with dust.