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No video from PC. Tried video cards. Motherboard?

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No video from PC. Tried video cards. Motherboard?

Old 04-03-06, 09:52 PM
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No video from PC. Tried video cards. Motherboard?

I have a computer I am trying to fix. There is no video. The monitor shuts off so its not getting any signal from the pc. It came with an AGP card. I have tried an APG and a PCI card with no luck. I took all theother PCI cards and the memory out. Still no luck. Is the motherboard bad? What else can I do?
Old 04-04-06, 10:17 AM
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Could certainly be the motherboard.

If it's convenient, you might want to try connecting the monitor to a working computer just to rule out the monitor cable/connector as a problem. Or conversely trying a different monitor with this computer.
Old 04-04-06, 10:36 AM
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Here are a few questions that may help get started on diagnosing the problem:

Was the lack of video the original reason you started working on the PC, or did this issue come up while trying to do something else with it?

Also, has the mobo/video card/monitor combo worked in the past, or is this the first time you've tried them together?

When you try to start up the machine, does the CPU fan start up?
Old 04-04-06, 01:14 PM
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Originally Posted by Mikael79
Here are a few questions that may help get started on diagnosing the problem:

Was the lack of video the original reason you started working on the PC, or did this issue come up while trying to do something else with it?

Also, has the mobo/video card/monitor combo worked in the past, or is this the first time you've tried them together?

When you try to start up the machine, does the CPU fan start up?
Yes the lack of video is the reason I was asked to fix it. The PC at least 8 years old. It's a Pentium II. The CPU fan is on. The monitor is mine the computer is not. The monitor is from my system and works fine. All the fans in the computer work. The processor is a Slot 1 I believe. I don't know too much about hardware this old.
Old 04-04-06, 04:53 PM
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Have you tried to troubleshoot for the possibility of a RAM issue? If it uses SIMMS, it's possible you may not have any on-hand to test with, so hopefully you're dealing with DIMMS.

I've had the same issue with machines (no video, but cpu runs) and a good portion of the time it's a RAM issue.
Old 04-04-06, 05:06 PM
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Originally Posted by Mikael79
Have you tried to troubleshoot for the possibility of a RAM issue? If it uses SIMMS, it's possible you may not have any on-hand to test with, so hopefully you're dealing with DIMMS.

I've had the same issue with machines (no video, but cpu runs) and a good portion of the time it's a RAM issue.

It has two sticks of RAM. I took them both out and tried it. Then put one in at a time and tried it. No noises from the motherboard. No video on the monitor either. As soon as I turn the computer on my monitor says. "Standby mode in 5 seconds".
Old 04-04-06, 06:16 PM
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Is it possible that the board may have had a card with the wrong voltage inserted into it? I have heard that you can ruin the card and/or the motherboard this way.

Since it is an older computer, it would be designed to be used with 3.3v AGP cards. The more recent 1.5v cards will not work in the older slot. Newer motherboards have a safety feature that alert you if you try to insert a card with the wrong voltage, but I'm afraid that old computer wouldn't have that feature.
Old 04-04-06, 06:51 PM
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Originally Posted by Drexl
Is it possible that the board may have had a card with the wrong voltage inserted into it? I have heard that you can ruin the card and/or the motherboard this way.

Since it is an older computer, it would be designed to be used with 3.3v AGP cards. The more recent 1.5v cards will not work in the older slot. Newer motherboards have a safety feature that alert you if you try to insert a card with the wrong voltage, but I'm afraid that old computer wouldn't have that feature.

Could be I guess. I tried an old Voodoo PCI card I had. No luck.
Old 04-05-06, 10:37 AM
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I am sure you tried this, clear cmos? Did you try to pull cpu and put it back in?
Old 04-05-06, 03:44 PM
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Originally Posted by Sepen
I am sure you tried this, clear cmos? Did you try to pull cpu and put it back in?

Yes and yes.

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