I'm not real sure what you mean... Are you saying there's no video on the monitor? If that's the case, check the connection on the back of the computer where the monitor cord connects; there should be screws on both sides of that connector -- make sure the connector is pushed all the way in and the screws snug (don't overtighten them).

If I misunderstood your question, could you please clarify?

gateways are gay like that.....which side of the case are you trying to open....your probably opening up the side with the motherboard on it...try the otherside.. it sounds like your not fluent with comps...just take it in

a 10 ponder you need to but it on a diet first .its case is too tight !lol
just kidding ,couldn't resist .
.follow the advise in post above and also look for a release latch at the bottom of the front panel.