Someone gave me an older laptop to look at because they were having some problems, such as getting on the internet. It is a Dell Inspiron 5150. It has a Pentium 4 and Windows XP. It doesn't have a battery. I get it and get on the internet. It hasn't been on for awhile so I do Windows update and add Ad-Aware. I powered off normally and was going to run some scans the next day and it will not turn on now. There are three lights on the front and the two on the sides flash while the one in the middle does nothing. The cord looks ok, the only thing it has been plugged into is an APC backup so why would it not turn on? I don't even hear a hard drive spinning or anything. Anyone have any suggestions?