Are you sure it is not a hardware problem?
Try reading this topic Laser stuck on 100% and see if any of this pertains to your situation. From the limited information you provided, it sounds like this could possibly be your issue.
Are you sure it is not a hardware problem?
Try reading this topic Laser stuck on 100% and see if any of this pertains to your situation. From the limited information you provided, it sounds like this could possibly be your issue.