Chosen Solution
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 PCConnecting TV to PC via a different HDMI cableConnecting both HDMI 1 port and HDMI 2 port on the TVChanged HDMI input to HDMI 1 and HDMI 2 from TV menuTV settings reset from the TV menuVarious lower resolutions on the source PCUnplugged and left TV off for a few minutesRestarted the PCsUpdating 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
Hi @beerit , It appears to be a problem with either the mainboard or perhaps the power board but this is less likely given that the TV works OK without anything plugged into the HDMI ports. Problems with mainboards are difficult to find as normally the schematics for the boards are not publicly available. Perhaps consider replacing the mainboard and check if that resolves the problem. Search online for UN65EH6000F mainboard to find suppliers of the board that suit you. Also look for suppliers that accept returns with refunds that have only a minimal restocking fee, so as to lower the cost to you if it is not the problem. If you decide to do this then also verify that the board that you’re ordering has the same “board number” (printed on the board itself) as the original in the TV just to make sure. It may be a BN96-28963A but check to make sure.
