SOLVED: http://www.tomshardware.com/answers/id-3290089/install-gpu-driver.html#19102379
Dell XPS 8500
Windows 7 64-bit
Motherboard: Dell 0YJPT1
Old GPU: AMD Radeon HD 7570
I bought a EVGA GTX 1050 TI SC. I followed the instructions
1) Remove old driver
2) Power off and disconnect PC
3) Install new GPU
4) Connect monitor cable to new GPU
5) Power on
At this step, the OS wont boot. I cant install the new driver
I tried plugging into the onboard motherboard video port and it says "unsupported configuration" because there is an add-in video card already (my new one).
So I kept the cable plugged into the motherboard and removed the new GPU. It boots fine! I tried to install the driver but NVIDIA's installation program wont install the driver because it can't find the compatible graphics hardware! Duh! I took it out!
Shut off computer, reinstalled GPU. Again, "unsupported configuration" because there is an add-in card. Wont boot. I'm stuck in a loop here!
Help please!
Dell XPS 8500
Windows 7 64-bit
Motherboard: Dell 0YJPT1
Old GPU: AMD Radeon HD 7570
I bought a EVGA GTX 1050 TI SC. I followed the instructions
1) Remove old driver
2) Power off and disconnect PC
3) Install new GPU
4) Connect monitor cable to new GPU
5) Power on
At this step, the OS wont boot. I cant install the new driver
I tried plugging into the onboard motherboard video port and it says "unsupported configuration" because there is an add-in video card already (my new one).

So I kept the cable plugged into the motherboard and removed the new GPU. It boots fine! I tried to install the driver but NVIDIA's installation program wont install the driver because it can't find the compatible graphics hardware! Duh! I took it out!
Shut off computer, reinstalled GPU. Again, "unsupported configuration" because there is an add-in card. Wont boot. I'm stuck in a loop here!
Help please!