Computer plugged into a stand-alone video card without signal failure resolution

Q: The computer plugged into a separate video card no signal, but can hear the sound of the system, the motherboard on the boot can also self-test, that is, no signal output! The motherboard also detects that there is no video card plugged into the slot. The video card fan is spinning. Switch the interface to an integrated video card to display the screen. The independent video card plug into someone else's computer can be shown, other people's graphics card plugged into My computer also has a picture, this situation is two days before the appearance, before the normal use of this graphics card for a year. Today's dead and alive do not show. It is OK to be sure that the standalone video card is not bad.

A: This situation is like the motherboard does not recognize this independent video card, startup is still used to set the display. You can first restore the motherboard BIOS to the default, and secondly, check the motherboard card slot to see if the pieces of paper and so on. In short, the main board of suspicion is very large, it is possible that the motherboard's graphics power supply circuit damage, resulting in a single plug can not power, naturally unrecognized. If the user can not find a good solution in the end, try to send the motherboard to repair.