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UN65MU6290VXZA black screen and flashing power light

(Topic created: 09-05-2020 04:13 PM)
usercKtY1uiodd
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4k, 8k and Other TVs

Help my TV is possessed. We came in the living room this morning and the screen was black and the power light was blinking. 
I checked some other community postings and see that this has been an issue. 

We bought it just over two years ago. About 6 months ago about a quarter of the screen in the left lower side began to darker. After about three weeks for some reason most of that resolved. 

I'm a huge fan of Samsung products but this has been a real disappointment. I know it only has a one year warranty but can  you help me Samsung?

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SamsungTam
Samsung Moderator
Samsung Moderator
Options
4k, 8k and Other TVs

When your TV has a black screen even when it's on, it's quite possible it could actually be your external device and not your TV. If your TV is connected using a One Connect Box, there are a couple of extra steps to troubleshoot.

 

  1. Tv without the one connect box has no picture

·Press the Home (Menu) button on the remote.

  • If the menu appears, the TV is powered on but is either not on the correct source or not receiving a signal.
  • If the menu does not appear, the TV may be having power issues. 

Confirm the TV is set to the same source as the external device.

  • For instance, if your cable box is connected to HDMI 1, set the TV source to HDMI 1.
  • If the TV is set to the correct source, but there is still no image, unplug and reconnect the AV connections one cable at a time, from both ends of each cable. If there's any damage to the cable, it will need to be replaced.

Test the HDMI cable.

  • To perform the test, make sure the TV's source is still on the HDMI setting for the cable you want to test, and then navigate to Settings > Support > Self Diagnosis > Signal Information > HDMI Cable Test > Start Test.

Test different external devices.

  • 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 there is still no picture, use the following link to find a list of service centers near that can do the warranty repair. 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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2 Replies
Solution
SamsungTam
Samsung Moderator
Samsung Moderator
Options
4k, 8k and Other TVs

When your TV has a black screen even when it's on, it's quite possible it could actually be your external device and not your TV. If your TV is connected using a One Connect Box, there are a couple of extra steps to troubleshoot.

 

  1. Tv without the one connect box has no picture

·Press the Home (Menu) button on the remote.

  • If the menu appears, the TV is powered on but is either not on the correct source or not receiving a signal.
  • If the menu does not appear, the TV may be having power issues. 

Confirm the TV is set to the same source as the external device.

  • For instance, if your cable box is connected to HDMI 1, set the TV source to HDMI 1.
  • If the TV is set to the correct source, but there is still no image, unplug and reconnect the AV connections one cable at a time, from both ends of each cable. If there's any damage to the cable, it will need to be replaced.

Test the HDMI cable.

  • To perform the test, make sure the TV's source is still on the HDMI setting for the cable you want to test, and then navigate to Settings > Support > Self Diagnosis > Signal Information > HDMI Cable Test > Start Test.

Test different external devices.

  • 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 there is still no picture, use the following link to find a list of service centers near that can do the warranty repair. http://www.samsung.com/us/support/service/location


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

View solution in context

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usercKtY1uiodd
Constellation
Options
4k, 8k and Other TVs

I went to do all of those things and now it won't come on at all. I even plugged it in to a different power source that I know is working. I unplugged what was already plugged in to plug in the tv. Now the little red light that shows standby won't even come on now. I unplugged it and plugged back in the lamp that I had unplugged and it came on fine. 
Again I know this is out of warranty but I'm really hoping you can do something for me here other than just refer me to a service center. 

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