How to solve the problem of turning off the video card?

Question

Iron

The Lord needs your help. The problem is the following. When you connect any device to the front UCB ports, the video card is tightly turned off. After reboot everything is fine. Video card nvidia geforce 660 ti from gigabyte. Thanks in advance)

Answer 1

Definitely check the power supply. But it seems to me that this is not a "lack of power" but a short circuit. In this case, any incorrect connection of components can affect, up to the installation of the mat. boards in the case.

Answer 2

may not have enough power, you need data about all the hardware

Answer 3

Power failure most likely. Or a poor quality power supply.