geforcefx 5200 lockup

[lotus1197]

I am having problems qith my card locking up everytime it goes to play anything using D3D(so it seems) IE DX9 diagnostics if i choose to load d3d it freezes my comp.everquest:switching from patcher to EULA it freezes my comp.NVdvd freezes when it starts to load.Card is 3 weeks old and has been working fine since.rebooted computer and then all of a sudden this started.

amd athlonxp 1800
256 ddr ecc
geforcefx 5200
audigy mp3
windows xp

 

[lotus1197]

btw i do have done dx then installed newest drivers, then installed drivers then dx.so i'm lost as to what to do.someone said maybe bad memory since it happened when i rebooted.

 

[tripleione]

Is the card overheating? Do you have an external power supply cable hooked up to the card? What are your system voltages reading? Perhaps your power supply is not up to the task.