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Constellation

New Q70T has dark band on left quarter of screen

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I've had a new Q70T 75" TV for about 2 weeks and I just noticed that the left quarter of the screen is darker than the rest. This is most noticable on bright solid images but it can also be seen on images and video. It is seen on the system menus and builtin apps so it's not cable related. I tried power-cycling the TV but that did not help. Any suggestions or does the unit need to be serviced ?

 

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Constellation

Re: New Q70T has dark band on left quarter of screen

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As mentioned in the OP, this issue happens on the built-in menus so no source or HDMI cable is involved. Same issues occurs with or without the surge supressor. Seems this week old new TV is just defective. I was disappointed Samsung would not simply replace it and wanted me to wait 3 weeks for a service call.

 

I have since returned the TV to the original seller for a replacement. So far it's good with the new one. 

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Samsung Moderator
Samsung Moderator

Re: New Q70T has dark band on left quarter of screen

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Hello, if you are experiencing the symptoms above confirm the following:

 

Is the unit plugged into a surge protector?

 

Make sure that the unit is up to date.

 

Does this happen on all sources?

 

Test the HDMI Cable:

Navigate to Settings > Support > Self Diagnosis Signal Information > HDMI Cable Test > Start Test,

If the test says the cable is bad, replace the cable.

 

Have you tried to test with a different external device?

 

-The final thing to rule out is the external device you're using. Try connecting a different device, or using a different source port. If you were unable to test the cable in the previous step, then try swapping the cable, too.

-If the TV can display a picture in any other setup, then you've ruled the TV out as the cause of the issue. Keep trying various setups until you identify the device or cable that is not working, and troubleshoot or replace it.

 

If you are able to, Navigate to Settings > Support > Self Diagnosis > Picture Test, and then follow the on-screen directions.

 

If the above troubleshooting steps didn't help, here are some service options:

- If your unit was recently purchased, you can check with your retailer on their return/exchange processes.

- If you have an extended warranty you can reach out to them to have service processed. 

- If you're within the one year warranty, you can Private message one of our moderators to have service processed

- If you're OUT of warranty, you the following link to locate a service center in your area by using the link below

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


Be sure to click " ✓ Accept as Solution" when you find an answer that works for you.





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Constellation

Re: New Q70T has dark band on left quarter of screen

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As mentioned in the OP, this issue happens on the built-in menus so no source or HDMI cable is involved. Same issues occurs with or without the surge supressor. Seems this week old new TV is just defective. I was disappointed Samsung would not simply replace it and wanted me to wait 3 weeks for a service call.

 

I have since returned the TV to the original seller for a replacement. So far it's good with the new one. 

View solution in original post

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Cosmic Ray

Re: New Q70T has dark band on left quarter of screen

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LED sidelighting failure.

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