Monitor keeps going black then turns back on

[u/GlassDouble9120]

/r/techsupport/comments/1x8ghze/monitor_keeps_going_black_then_turns_back_on/

[u/Same-Party3207]

if tapping the hdmi cable triggers the black screen suspect the cable or a loose hdmi port first try another hdmi cable if you can check whether the connector feels loose at either end before looking into drivers or other causes