Computer will not boot in any mode

[lacer]

was trying to put in new hardware graphics driver getforce 7950gtx2 and im getting this error i put my hardware back the way it was when i bought it which is


AMD Athlon™ 64 X2 dual core processor
Asus M2N sli mother board
NVIDIA GeForce 8500 GT
Sound Blaster X-Fi Xtreme Gamer
700watt power suppy
2GB of RAM

stop c000021a fatal system error the session manager initialzation system process terminated unexpectedly with staus of 0x0000034 (0x00000000 0x0000000)

what can i do to fix

im trying to do a system restore now

 

[Matthew DeCarlo]

So you only attempted to install updated drivers for your VPU?

 

[lacer]

vpn explain whats that something to with graphics

 

[lacer]

visual processing unit

was installing a graphics card getforce 7950gx2 512mb and i got that error message so i put the oringinal driver back in which is an getforce 8500gt 512mb how do i get it all back work normal

 

[Matthew DeCarlo]

Look at this Microsoft page on GoBack issues if you have GoBack installed.

A driver is nothing more than a software translator between your OS and hardware device.

You are saying that you physically installed another VPU, you got an error message, you tried installing the original VPU and it still won't boot. Check your BIOS settings and make sure it's set to the original VPU and then try to boot into Safe Mode again. If you make it into Safe Mode uninstall the drivers for the VPU that was giving you trouble in the Device Manager.

Post back with your results.