When turn computer on screen stay black

Cabe1200

Reputable
Jan 20, 2015
1
0
4,510
When I turn my computer on screen stay black, but fans are running. Also nothing in the back seem to be working. If I plug usb keyboard in back it dosen't light up if I push caps lock. This all start to happen after I attemp to upgrade ram, but computer just made beeping sound so I switch it all back to old ram, but now I getting no display, but no longer beeping.