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Old 12-03-2008, 08:15 PM   #1 (permalink)
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Default Computer won't start after installing xfx 9800gtx plus

I recently bought a 9800gtx + to replace my BFG 7900GTX in my computer. To prepare for this, I recently bought a 1000w Corsair Modular power Supply for a future SLI setup ( - CORSAIR CMPSU-1000HX 1000W ATX12V 2.2 / EPS12V 2.91 SLI Ready CrossFire Ready 80 PLUS Certified Modular Active PFC Power Supply - Power Supplies). After I installed it and plugged in two PCI Express connectors, the computer will start up but the monitor stays black. I also hear a 3 second beeping sound from the motherboard which I think isn't good. When I put the 7900gtx back in though the computer boots up fine. Any suggestions?

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Old 12-03-2008, 08:54 PM   #2 (permalink)
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Default Re: Computer won't start after installing xfx 9800gtx plus

Its definitely the GPU.. try to RMA it..

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Old 12-03-2008, 10:48 PM   #3 (permalink)
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Default Re: Computer won't start after installing xfx 9800gtx plus

check the motherboard manual for the POST beep and if it is the gpu probably you will have to rma unless you didn't seat the gpu in correctly
Graphics card: Inno3D Nvidia GeForce 8800 GTS @ 640/940 (core/memory)
MB: Gigabyte GA-965P-DS3 v3.3 F12
RAM: 2 Kingston HyperX DDR2 800MHz (4GB total)
CPU: Core 2 Duo E6320 @variable rates (will fix my fan problem soon and overclock high again)
HSF: Thermalright Ultra 120 Extreme & Antec Tricool 120mm fan
PSU: Delta Serverpower 550W
HD: Seagate 400GB ST340032AS & Excelstor 80GB (both SATA)
Case: don't know what case it is but it is very crappy
Optical Drive: Lite-on 16X DVD+&- RW DL (died) using a CD-ROM drive until I get a new blu ray burner or whatever i can get

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Old 12-03-2008, 10:58 PM   #4 (permalink)
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Default Re: Computer won't start after installing xfx 9800gtx plus

I'm pretty sure I seated it in correctly. you're supposed to put it into the pci express x16 slot and wait until it clicks in. Which I'm pretty sure it did. The thing is the card is so huge I had to kind of warp my hard drive bay just to get it in.
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