Question Samsung TV goes black when HDMI is inserted

Jul 24, 2020
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Hi,

Two weeks ago, my Samsung TV (UN65EH6000F) went completely blank out of the blue. Totally black screen, no sign of life, no access to the TV menu.

This TV is connected to a PC running Windows 10. After some troubleshooting, I realized the TV is blank as long as it’s is connected via HDMI to my PC. If I unplug the HDMI (from either the PC or the TV), the TV comes back on and I can access its menu.

Solutions I tried, to no avail:
  • All relevant projection settings from Windows 10: "extended", "duplicate", "2nd screen only" (< vast majority of people with this issue solve it like this)
  • Connecting TV to a different PC
  • Connecting TV to PC via a different HDMI cable
  • Connecting both HDMI 1 port and HDMI 2 port on the TV
  • Changed HDMI input to HDMI 1 and HDMI 2 from TV menu
  • TV settings reset from the TV menu
  • Various lower resolutions on the source PC
  • Unplugged and left TV off for a few minutes
  • Restarted the PCs
  • Updating TV firmware (already had the latest version)
  • Updated my PC display drivers on Windows 10 (inc. uninstalling and reinstalling them)
  • Called Samsung technical support who were completely useless
I'm about to give up. This TV is out of warranty and I can get a new one for a couple hundreds more than it will likely cost to fix.
But feels stupid to buy a new one because the TV is clearly still operational, everything works fine as long as HDMI is not connected.

Any last ditch effort suggestions are much appreciated
 
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