crwdns2934241:0crwdne2934241:0 guardian10

crwdns2947189:0crwdne2947189:0:

Fans spin, no display

crwdns2934249:0crwdne2934249:0:

I bought this GPU untested for $25. I haven't worked on GPUs before. When powered on, the fans spin up, the computer's lights turn on, but I get no display out. Where should I start/what should I do first?

crwdns2866306:0crwdne2866306:0:

AMD Radeon HD 7970

crwdns2915684:0crwdne2915684:0:

open