gaming pc monitor wont display

momsorry

Honorable
Jan 9, 2014
1
0
10,510
Homebuild
Was working
Gaming computer
Motherboard lights up but displays 00

I unplugged every cord from the back of my sons gaming PC, as he was being punished and getting it taken away. The computer was still on. He plugged everything back in. All lights and fans turn on but the monitor doesn't get signal. Please help!