AGP slot failure?



Hello

I have PC where an AGP video card stopped sending a signal to a flat screen monitor in the middle of playing the Sims 2. The video card and flat screen monitor where linked via a standard VGA cable. The user says that the screen froze, or went black in the middle of a game. This happened only an hour after installing the game. The machine now has no display, during POST, or booted into full graphics mode. Before I troubleshooted anything, I knew it was properly booting into Windows because I could hear it through the speakers.

This is an Asus P4P800SE motherboard, with an e-GeForce 7600GS, 256MB DDR2 AGP video card.

To troubleshoot, I connected the PC to a known working CRT monitor, and also changed out the AGP video card. No signal in either attempt. I did however get a PCI S3 video card to work, and then checked out a few things in Windows. The machine did not 'crash' or blue screen per say, so it did not leave a minidump file. There is nothing wrong in device manager. Nothing of relevance in the system logs. It is interesting to note that if an AGP card, and the old PCI S3 video card are installed in the system together, there will still be no signal from the PCI S3. It must be by itself.

My current thinking is that the AGP slot has failed. I didn't see any obvious blown capacitors around the AGP slot. I may try a third AGP card in the slot before I go to something else. If this is the case, I will have to change out the mainboard, maybe even consider building another system from scratch. The user is tight on funds now, so I may have to find a good working replacement mainboard.

Thanks in advance
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