There is power to the video card, but there is no image at all, how to fix it?

Question

Video cards

Hello, I had such a problem, a video card that works on other PCs does not work on mine, the cooler is spinning, but the image from it does not show, but it shows from the integrated graphics of the chipset, which should not be, because as far as I know, the embed will not work if discrete

Accessories

Видюха: Sapphire R7 250 2GB GDDR5
Мать: Asus P5G41T-M LX2/GB, биос установлен последний на данный момент (2014 года)
Проц: Core2Quad Q9550
Плашки памяти пробовал менять местами и включать по одной

It is worth noting that before that there was a GT630 card and there was no bolt to hold it, the computer was also standing straight, and not sideways as it is now.
So, is it possible to somehow solve other than changing the mat. boards (most likely something goes wrong with it), because before the new board + the processor I still have to save and save, and I don’t really want to spend this money on a used one just to make it work.
Sorry if the question is idiotic

Answer 1

Look at the BIOS settings, and are the drivers for the video card installed in the operating system?