Please check for hardware issues (if any)
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c03463381
Try creating a new user account and check from there.
Please check for hardware issues (if any)
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c03463381
Try creating a new user account and check from there.