Dell Dimension 4550 won't boot up

Dell Dimension 4550 desktop
October 17, 2010 at 08:23:25
Specs: Windows XP
Looking for for some help in getting my 4550 up and running. It powers on and I can see the Dell logo on the monitor. Shortly afterwards, the monitor goes dark and I can hear that the computer is not doing anything. I can get into set-up but not sure what I need to do once there.

There are no diagnostic beeps. The four diagnostic lights on the back on the cpu are all green.

I added RAM a little while back and it did work after the installation, so I don't know if there's any relation. I tried to reset to default settings by usgin the ALT "F" command in set-up, but that didn't do me any good. Don't know much about computers, so I'd appreciate any help.


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October 26, 2010 at 18:18:18
i have the same problem with my dell dimension 4550. i can see the dell logo and just before it for the password, my screen turns black and becomes unresponsive.

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