Screen is mostly dark

[userBtMsycgv9r]

 how do I fix this ? Tv is only 3 years old, and last week it decided to go mostly dark 

[user751201tmO21]

In Settings, usually under General settings, select Reset, wait for it to finish

Power off

Unplug from power outlet.
Wait about 15 minutes
Plug back in

Try again

[Samsung_Moderator · Accepted solution]

I can definitely understand how frustrating this may be. Give this link a shot for me: 

https://www.samsung.com/us/support/troubleshooting/TSG01202526/#a-portion-of-the-tv-screen-is-black

Please read the link in its entirety to reap the full benefit of the troubleshooting. If this does not help I recommend letting a service technician have a look. As we would like to gather additional information, and look at this from a case by case basis, please provide the full model code and serial number of the device as well as your best contact phone number, name, and email.  

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If your unit is out of warranty and you would like to receive quotes on service/labor from an Authorized Service Center near you, please visit:

http://www.samsung.com/us/support/service/location