I recently bought a Dell M90 with a supposed bad motherboard off of ebay. It's a fairly new computer, so I halfway expected it to come with a service tag and for me to just be able to tranfer the warranty and get it fixed. This is not the case. I turn the computer on, and the backlight comes on. I have tried the obvious problems it may have (Reseated RAM, hooked it up to ext source) and it isn't showing anything. I have seen that they have been notorious in the past to have the video card go bad aswell, so how can I tell if the video card is bad or the motherboard?
EDIT: I don't know where it got those specs from, but it has an Intel Centrino Dual Core with 2GB of RAM.