Dell Flat Panel repair

Unfortunatly, chances are this is a hardware problem, but anyways, i would still recommend you reinstall drivers, or change them. various problems get fixed just by doing this simple action, so you can never know, it may save you lots of pain. in case this doesnt solve anything (which is most likely to happen), this can be a case of either bad cable, or bad graphic card. first, attach a new cable from screen to computer, and clean the outputs first. if it doesnt help, there is a chance display cheap is fried. btw, this vertical lines thing seems to be a common problem in several dell models. the solution i gave you are very general, so there's a good chance problem accurs from a bad product and there's nothing you can do about it but to call del and do some yelling. good luck.