how do I disable my onboard video? - Techist - Tech Forum

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Old 11-19-2003, 02:53 PM   #1 (permalink)
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Unhappy how do I disable my onboard video?

I have a CompUSA CPCHS, Intel Celeron processor, with a Sis620 onboard video... I bought a Nvidia GeForce4 MX 440-SE (64MB, PCI - no agp slots), to play a particular game...

When I follow the card's instructions, and plug the monitor into it, I get "no signal input" and no booting-up beeps or anything. From what I gather, I have to disable the onboard video, but I can't figure out how to do it. I tried deleting the Sis620 via the device manager, shutting down, then putting in the new card, and I still get nothing.

I took it out and went back to the original, and looked in the BIOS to see if I could disable it from there, and it looks like I can't -- do I need to upgrade the BIOS? Where do I look for that? I'm on the non-techie side compared to most people here probably. I went to Intel's site, and the listing was confusing, all starting with D8 and stuff after that - I have no idea which one I need.

If not that, then what do I need to do?

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Old 11-19-2003, 05:04 PM   #2 (permalink)
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What happens if you plug your monitor into your onboard video and start your computer?

If this works, hade you tried installing the drivers for your GF-MX card then? It'll ask you to reboot, maybe then you'll get an input signal to your monitor..

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Old 11-19-2003, 05:24 PM   #3 (permalink)
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First, plug the monitor into the onboard VGA adapter.

Boot up the OS in safe mode (usually by pressing F8 or Ctrl before the splash screen loads), and from the System Options in the Control Panel, go to the Device Manager (usually from the Hardware tab if using NT/2K/XP), find the onboard display adapter and disable it from there.

Reboot and use the new card.
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Old 11-19-2003, 05:30 PM   #4 (permalink)
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Hi jen26butterfly, normally when you plug the video card on the mainboard, if it has the video onboard, it'll automatically disable the video onboard so you can install you new video card. So
I think you should contact to Intel for more detail .
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Old 11-19-2003, 06:04 PM   #5 (permalink)
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I did try having the monitor plugged into the original with the new card in its slot - still a "no signal input".

So, of course, I can't install the driver that came with it, b/c to have the computer on and booted up, the card can't be in. I tried that, and without the new card in, the driver-installer aborts, saying it doesn't detect the device.

I am waiting on a response from the BIOS manufacturer about an upgrade, so that I can disable the onboard video through that. Supposedly they'll get back to me via email or phone within 24 hours.

By the way, thanks for the replies -- I had tried another site's forum and got nothing.
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Old 11-19-2003, 06:13 PM   #6 (permalink)
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Celeron!!! Oh No!!!
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Old 11-19-2003, 07:08 PM   #7 (permalink)
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umm go into bios, chipset feature and there should be a place where u can enable AGP
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Old 11-19-2003, 08:55 PM   #8 (permalink)
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he just said he has no AGP.

jen26butterfly if you didn't see the option to disable onboard video and you can't find a bios update that lets you do it than all you can do is put the new video card away until you get a new computer or buy a new motherboard (which usually translates into buying a new computer also).
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Old 11-20-2003, 02:50 PM   #9 (permalink)
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ekÆsine -->OK. I agree with you.
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Old 11-20-2003, 03:38 PM   #10 (permalink)
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Have you tried moving the VGA card to a different slot on the MTB?

You could be having a resource conflict with something else in your system. Try pulling out any other PCI cards you may have in the system as well, at least until you get a post from the system.

Since you are not getting video from the onboard VGA when you have the PCI VGA card installed then I'd say the system board IS detecting the VGA card, since it is shutting off the onboard VGA.

Also, are you certain the PCI VGA card works? have you tried it on another system board?

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