Question No Video Input & VGA LED on Motherboard

[Nut IDL]

It works normally before. But today, I turn on my pc but the monitor show "no video input" and the LED labeled VGA on The motherboard is bright red.

Spec
motherboard : gigabyte h370 hd3
cpu : Intel core i5-8400
gpu : gigabyte geforce gtx 1060
...

 

[rgd1101]

make and model of the psu?

or the gpu failed? try reseating it?