Thank you, I tried to post on Dell, but it is not as easy as this forum, Tenforums. I will need to do that. Several Youtubes demonstrate it is possible. To verify if it is my motherboard, I purchased...

Thank You for reply. Should I back the OS to Windows 8 or 7? If so how and what do I need.

Best Regards, Word

Hello,

Searched many sites, tried many suggestions. Issue is GPU on PCI slot not detected for Dell OptiPlex 990 using Win10 Pro. The GPU is EVGA GTX960. Installed PSU as well at 550 Watts. The...