I'm sorry but this isn't enough information for us to help you. The problem
could be caused by bad hardware, overheating, bad drivers, bad software
running in the background - anything really. There is no way for us to tell
where to start from what you've posted. Please read the information at
these links and then come back with the missing details to get the focused
help you want:
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments. After that, you can post your question and our members will help you out.