No computer ports working... None

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crackersntea

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Jun 14, 2013
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Ok, I just bought a new desktop computer: Compaq Presario CQ5700F.

When I bought it , it was on display and on and working, at a local pawn shop. I tried it out and was checking out some of the features and I bought it. (Didnt get the warranty)

I get home and plug that bad boy in along with the AOC f22 monitor that came with it along with keyboard and mouse. Computer turns on and I get no signal on monitor. The computer has both a DVI & VGA port, tried both, still no signal.

OK, here's what I know from trial and error:
1) The monitor is fully functional and NOT the problem.
2) My DVI & VGA connectors are fully functional and NOT the problem.

When I turn on the computer, the power button lights up just fine, both fans are spinning inside the comp and sound fine BUT, when I plug any keyboard or any mouse into ANY usb port they do not work. I know they do not work because when I tap caps lock or num lock on keyboard , the lights should turn on/off. And when I plug in mouse the laser doesnt shine red. So I know its the computer thats the prob.

So ive come to the conclusion that none of the ports , both usb and vga/dvi arent working for some freaking reason and I need to fix it and I need help..... So someone help. This is frustrating I've had this computer for less than 24 hrs and already broke and I cant return it. Sigh. HELP.
 

xcrossroadsx

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Dec 13, 2011
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Before taking it ALL apart, I would highly suggest reseating the RAM. I work as a computer repairman, and I have had plenty, and I mean PLENTY, of computers that come in after being moved around that display symptoms exactly like yours. Moving the computer can upset the RAM, and by taking it out and plugging it back in you can ensure that everyone of the 240 pins on the RAM DIMMs are seating correctly.
 
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