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Author Topic:   Wierd AGP failure
Pish-Tush
Maximum Newbie

Posts: 17
From: Birmingham UK
Registered: Dec 2001

posted April 25, 2002 09:20     Click Here to See the Profile for Pish-Tush     Edit/Delete Message   Reply w/Quote
If it happens once its probably cosmic-rays or somesuch, but twice suggests there's something going on!

On two occasions now, I've come across PC's which have had apparent video card failures following major surgery. There's just a nasty beep sequence, nothing at all on the monitor though the disk drives churn indicating it's trying to boot. Taking the card out and reseating it does no good. So in each case I've tried an old PCI video card which works fine. But (now for the wierd bit) one replacing the AGP card and trying again it works. Two totally different boxes (different motherboards, video cards and operating systems) same effect.

My guess is that the AGP controller and the BIOS can get into some wierd state that is only cleared by booting with a PCI video card. Anyone think this is plausible -- if so I guess the moral is don't dump your old PCI video cards.

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And I am right
And you are right
And all is right--too-looral-lay

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MightyJoeSakic
Mini-Geek

Posts: 56
From: FPO, AP USA
Registered: Apr 2002

posted April 25, 2002 12:19     Click Here to See the Profile for MightyJoeSakic   Click Here to Email MightyJoeSakic     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Pish-Tush:
video card failures following major surgery.

I am assuming by major surgery you are referring to major configuration/hardware changes and if so then anything can be affected. I'm not a wiz with bios settings but I have had similar conflicts before, and on taking the hardware out, removing the drivers/software and then reinstalling the entire thing the problem was fixed.

It's never happened with a video card for me, but *shrug* yes having a pci video card around would be very helpful in this situation. Although I imagine most people aren't geeks like us with spare hardware laying around the room(or neatly tucked away in their anti-static bags for all you anal retentive types )

~Thom

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I just came in to use the bathroom.....

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omega996
Geek Larva

Posts: 25
From: brea, ca
Registered: Mar 2002

posted April 26, 2002 19:03     Click Here to See the Profile for omega996   Click Here to Email omega996     Edit/Delete Message   Reply w/Quote
hmmm, have you tried another agp card? or clearing the cmos (or returning it to factory default)? it does sound like a BIOS issue, though. it might also have something to do with the agp implementation of the chipset that these machines are using...

quote:
Originally posted by Pish-Tush:
If it happens once its probably cosmic-rays or somesuch, but twice suggests there's something going on!

On two occasions now, I've come across PC's which have had apparent video card failures following major surgery. There's just a nasty beep sequence, nothing at all on the monitor though the disk drives churn indicating it's trying to boot. Taking the card out and reseating it does no good. So in each case I've tried an old PCI video card which works fine. But (now for the wierd bit) one replacing the AGP card and trying again it works. Two totally different boxes (different motherboards, video cards and operating systems) same effect.

My guess is that the AGP controller and the BIOS can get into some wierd state that is only cleared by booting with a PCI video card. Anyone think this is plausible -- if so I guess the moral is don't dump your old PCI video cards.



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Lex
Super Geek

Posts: 200
From: University of Florida
Registered: Jul 2001

posted April 26, 2002 19:47     Click Here to See the Profile for Lex   Click Here to Email Lex     Edit/Delete Message   Reply w/Quote
Sounds like a static problem. It isn't too rare to find that you have to yank out the power cable or reseat a card or two before you can get a computer to boot right once you've been messing around inside it.

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SupportGoddess
Highlie

Posts: 554
From: The Digital Temple
Registered: Jul 2001

posted April 28, 2002 08:52     Click Here to See the Profile for SupportGoddess   Click Here to Email SupportGoddess     Edit/Delete Message   Reply w/Quote
I had a display issue a while back, and was fully convinced it was the video card. However, what *happened* was that I needed to reseat my RAM. Try reseating some other things as well. If you keep seeing failures with it, there may be something else going on and the video display issues are just a symptom, not part of the actual problem.

If you are getting beep codes, they might be listed in either your motherboard manual or on your manufacturer's web site.

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"Programming is like sex: one mistake and you have to support it for the rest of your life."
-Michael Sinz

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ilovemydualg4
Geek Larva

Posts: 23
From:
Registered: Mar 2002

posted May 01, 2002 03:23     Click Here to See the Profile for ilovemydualg4     Edit/Delete Message   Reply w/Quote
Are you sure that the card is compatible with the machine? (not to state the obvious, but someone has to )

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