Odd graphics card crash/video driver problem?

[sneakysocks]

Hello, new mini ITX build with

 

sandybridge i3 3.1 ghz proc

corsair ddr3 2x2gb Ram

Gigabyte H77N-WIFI

GeForce 8400 

samsung 128 gb ssd

Window 7 64

 

This is mainly an entertainment PC for my living room, maybe some steam big picture. 

 

 

The system is stable without the video card in the socket, however whenever I try to boot up with the video card installed in the PCIe slot the system will crash shortly after logging into win 7. The system is stable in safe mode. I am able to install the drivers in safe mode, but when booting into normal mode I get a "Nvidia driver has failed message" and then a crash shortly after.

 

Anyone have experience with this situation?

[Overl0rd]

What power supply do you have? 

[sneakysocks]

corsair 450w CX

[Ntran]

Do you have another video card you can swap in to rule out a bad PCIe slot?

[Smeyer40]

Does it blue screen? You could try and uninstall all Nvidia Drivers and reinstall the latest drivers. I had something simaler with my AMD Graphics card. Check this out for help with uninstalling http://h30434.www3.hp.com/t5/Notebook-Operating-Systems-e-g-Windows-8-and-Software/How-to-remove-the-nVidia-graphics-driver-from-the-Windows/td-p/240726