South Carolina resident

In need of help I had my rig up and going I went to add a 3090 and now nothing works even after removing the 90 I mean I used to have the desktop on even went to 90 now I can’t get it on I don’t think anything’s fraud but who cares if you live in South Carolina please get out me maybe you were close enough that you could help me and I’ll be willing to pay for your come