upgrade psu

Hi friends, little sister tried to upgrade GPU and PSU, when it didn't work she asked for my help but can't figure this out. Pls help me look cool for my lil sis lol. Mobo: TUF gaming b550 plus CPU AMD Ryzen 5 3500x Old GPU: zotac gt gforce 1030 2gb New GPU: gforce 3060 Old PSU: Corsair vs350...

An IT friend gave this to me when their office did a massive PC upgrade and decided to make it a little project. I upgraded it with i7- 4770S from Facebook Marketplace. Obviously, I also spoiled it with a spanking brand new Crucial SSD and a pre-owned 16GB RAM. I wanted to upgrade the 180W PSU...