Detailed instructions for doing this is beyond the scope of this page, but in the event that you need to reinstall Windows off the CD-ROM, you will be stuck without the drivers. Even if you don't plan on fixing the computer yourself, these things will make your tech support people happy when they come to visit. Let's go over some obvious problems, starting from when you first turn on the computer. Then we will discuss some more complicated and general problems. Check every single cable for problems.
People tend to put their feet up and can knock cables loose.
Carefully check each cable for signs of damage. Let's go over the basic steps and what they tell you. If this doesn't solve the problem it may be time to get help . Typically not much can go wrong here, but this is where computer viruses like to hide. This message can be good news, or bad news.