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Power Shut Off with 3D apps

A

awsiemieniec

Gawd
Joined
Jul 2, 2004
Messages
810
I just upgraded my system from an nvidia 5900 to a Radeon 9800 Pro (128MB sapphire). Now whenever I run ANY 3D program my computer will simply shut off w/o warnings of any sort. I have a brand new 550 watt power supply so I know the power is clean is getting to the system. If I put the nvidia back in, everything works fine.

WinXP Pro
Updated all video card drivers
Updated motherboard AGP drivers
Reinstalled DirectX 9b
The VPU fan is running.
I get no overheat warnings (either with the PC speaker or a pop-up)

Followed ATI's FAQ to the "T" about installing their card/software. Any more ideas?
 
You plugged the auxiliary power to the radeon card (4 pin molex) ?

You sure the power supply is not spiking?

Friend of mine had the same problem, it was a faulty 550w power supply, fun part is a 300w cheap spare one is doing the job great hehe

OldMX
 
I just built an entirely (SP?) new system (including power) but with the same video card. I'll test it out and see what happens. The power could have been faulty...yeah I did plug in the aux power. Let you know what happens.
 
just for kicks, also make sure AGP fast writes are disabled, sometimes it can crash your system for unknown reasons.
 
I'm with OldMX. I've seen this problem first hand a couple times now, and a PSU replacement has fixed it both times.
 
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