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Computer wont work
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Posted by: pasolavich
Hi everyone. I recently encountered a problem and have had no luck in fixing it. I recently bought a MSI NX 6600 GT graphics card to upgrade from my PNY Geforce 4 MX 420 PCI card. I went into the BIOS on my computer before installing it and changed the Primary Graphics Adapter from PCI to AGP, Set AGP mode to 4X(could only choose between 1, 2 and 4), turned on the Fast Write and set the Aperture to 128 MB which is what is recommended. I then uninstalled the current drivers and ran driver cleaner. Then I turned the computer off, opened the case and took out my old graphics card and installed my new one. Card went in perfectly and is fully seated, and has the power connector to the PSU connected as well. Now when I push the power button I get power to the whole system. Both case fans go on, Processor heatsink kicks on and so does the fan on the graphics card. But when I turn on my monitor it is stuck on a CoreCell screen with nothing else. There is no post from the graphics card, and the card and mobo BIOS information do not come up. The hard drive doesnt start spinning and I am stuck on the CoreCell screen. If I take the new graphics card out and put the old one back in the computer works the same as before. I have tested by unplugging everything from my PSU, except mobo, hard drive and graphics card so I have a feeling that its not the PSU thats the problem. If anyone has any suggestions I would be glad to hear them. Thanks.
PS. My specs are as follows
MSI K8T Neo FSR motherboard
AMD 64 3000+ Processor
Audigy Sound Blaster Sound Card
1 GB Corsair Value Select PC 3200 Ram
80 GB WD IDE and SATA Hard Drive
Lite-On 52X CD burner
Antec SmartPower 350 W Power Supply with:
+12V - 21A
+5V - 35A
+3.3V - 28A
Posted by: Antti2004
I don't belive that it is the power supply that gives problems.
So you removed the 3d PCI card including the driver (software).
You fitted new 3d AGP card in the AGP connector not in the PCI slot (sorry this retorical question but I have know people to fit AGP card in PCI slot BY FORCE and that gives me a 'heart attac').
You activated via the BIOS the AGP slot and cleared the PCI info from the previous setting and made sure that the (IF the motherboard has intergrated VGA driver) motherboard intergrated VGA driver was not turned on.
Then make sure that none of the other leads (like hdd and CD/DVD ROM) are in their correct places on the motherboard and that the RAM was not removed.
If all correct , you will need to reset the BIOS and let it find all the devices installed., i.e there is a change that the BIOS is still looking for the old setup.
Hope this helps 
Posted by: gmackay1
Also make sure you didn't accidentaly pop out a cable somewhere when you installed your new video card.
<edit> Whoops, missed the part about putting the old card back in and working, sorry.
Posted by: pasolavich
I will have to try that. And no I didnt take a hammer to my system(if I had I would give everyone permission to hit me with said hammer =)) What you said Antti2004 is exactly what I did but for some reason neither graphics card BIOS or MB BIOS kicks in. All I get is the CoreCell screen(normally between the two BIOS posts). I am getting tired of trying things and reinstalling my old graphics card drivers tho. As a side note, oddly enough my PCI MX 420 graphics card works the same with AGP setting as it does with PCI setting(no point to saying this but to just mention it - weird) Well thanks for advice I now have a couple of ideas on what to do.
Posted by: snarf
Just a note. I've had a similar problem building a machine for a client. When I switched the BIOS to AGP, the machine froze like yours. What I did was install a PCI video, with the AGP video also installed clean. (absolutely no drivers. OS,and BIOS), set the BIOS to PCI, booted and then worked with the AGP card loading the drivers and such. Prepping it well so that the system reports (system managment) that the two cards are in and working fine. Then I removed the PCI, Reset the BIOS to AGP (power off of course) and BAM, it fired up.
It was easier to work with the OS's software to confirm drivers/settings/etc. Then I could see what was going on.
Perhaps give that a try?
Posted by: pasolavich
Well Snarf didnt get a chance to try your fix. I found out that all it needed was the latest version of BIOS. Dur!! I know I can be kind of an idiot. Thanks everyone for voicing in your suggestions, they helped a lot.
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