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Monitor Not Getting Signal- From Video Card Or Motherboard


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#1 zellchan

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Posted 05 October 2008 - 08:55 AM

Good morning all. I'm a newbie here, but I've been lurking for about a year.

This morning I was pulled from my warm, comfy bed by a distraught mother. Oh dear, something's gotten between her and her next hit from the sims. Groggily pulling myself out of the blakets and removing the cat now attached to my face, I went to see what the problem is.

Neither the video card or the VGA port off the motherboard are sending any signal to the monitor. Tried both vga ports with the card in. Tried another monitor, video card in. Took the video card out, tried both monitors, no dice. That was as much troubleshooting as I could figure. I'm getting no error beeps at all.

Computer is a Gateway GT5674, downgraded to windows XP pro.

Monitor #1 is an HP W2207h

Monitor #2 is an Acer AL1716

Video Card is an ATI 2400Pro PCI express

All connections are VGA. I checked three cables to make sure it wasn't that.

When I boot the machine, it happily hums to life, sends power to the speakers, hums merrily and whatever monitor that's hooked up sits at me staring with a finger up it's nose.

I'm afraid I'm more of a software person, though I'm pretty helpless in general when it comes to computers. So sleepily, I beg for help.

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#2 Sterling14

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Posted 05 October 2008 - 10:42 AM

Welcome to bleepingcomputer!

I would try resetting the cmos. If you have the manual, or if you look it up online, it can tell you the way to set the jumpers to do this. You can also just simply take the large watch battery out of the computer for a couple minutes (unplug the computer from the wall first, of course), and afterward, put it back in and try turning the computer back on.

If this doesn't help, I would suspect a failing power supply. Just yesterday I went to a ladies house to fix her computer. I tried a power supply I pulled from a dead system in her computer because her's wouldn't turn on at all. I hadn't tried that power supply so I didn't know if it worked or not. Anyway, it would turn the computer on, but would not give a display on the monitor. So I went home and got a power supply I knew worked, and of course the computer booted up fine, display and all.

Before you go out and buy one though, I would see if you could pull one from another computer just to see if it really is the problem. No display could also be caused by many other things such as a bad motherboard, or bad ram.
"I think there is a world market for maybe five computers." - Thomas Watson, Chairman of IBM, 1943

#3 zellchan

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Posted 05 October 2008 - 11:23 AM

Well, if it has a chance of being the power supply I'm gonna cash in on the warranty and my mother will just have to play Ps2 for a few weeks. I don't have spare hardware laying around to test it out, sadly.

Thank you very much though!

#4 hamluis

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Posted 05 October 2008 - 11:45 AM

When you removed the video card...did you enable onboard video in the BIOS...before booting?

Louis

#5 zellchan

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Posted 05 October 2008 - 11:57 AM

Is there a way to do that without seeing the bios?

#6 hamluis

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Posted 05 October 2008 - 12:16 PM

I don't think so.

Since this computer was designed for Vista...you may have a problem...since there may not be a driver for XP onboard video...which may be why a video card was being used.

I'd try the video card in another system before writing it off.

Louis




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