Geforce 630M on Debian Buster does not detect HDMI external monitor

Graphics / Linux Linux
2

After researching I solved it by adding the ConnectedMonitor option to my Screen Section in xorg.conf file.

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    Option         "ConnectedMonitor" "DFP-0"
EndSection

I was also facing overheating issues, then solved it by adding the Nvidia PowerMizer options in xorg, as shown here: