no image output

I have a new 4080 Rog Strix which I installed in my MSI B650 Gaming wifi motherboard. When booting I only have a black screen. I get the sound and hear that windows is loaded. The red led next to the power cable at the graphic card is NOT red (only when switched off). LEDs and fans are running...

I buit a computer for my daughter. Not my first one. B550 AORUS ELITE (AX) V2 Corsair Vengeance LPX 32 Go (2 x 16 Go) (placed in slot A2 and B2) GIGABYTE GeForce RTX 3070 Gaming OC 8G (REV2.0) All the fans are spinning. Power button works. I flashed the BIOS with version FEa...

Hey guys, about a month ago I built a new pc for me, a ryzen 5 1600, 16 gb, RTX 2060, and a Corsair VS650 PSU. Everything was going great, playing all the games and stuff, until a couple of weeks ago there was a power outage and after that my pc started rebooting randomly and wouldn't even...

Yesterday I had my RX 580 connected to my TV via HDMI (I use it as a monitor) and got a new DVI cable to connect it to a second older monitor I had just to have more space. After I connected it the GPU stopped showing image on both of the screens, and it hasn't shown anything since. A lot of...