Black screen after five minutes

[Mdn1959]

When I turned my TV on about five minutes after it goes black screen, then I have to turn it off. Wait five minutes and turn it back on and it works just fine. Does anybody know what the issue is?

[Focus]

My Samsung won't turn on to a channel. It's a black screen. Then I punch in a channel # and it's fine.

[Samsung_Moderator]

Hi  @Mdn1959 , welcome to the Samsung Community! 
Thanks for taking the time to share what's going on with your TV — I know how frustrating it can be when the screen goes black out of nowhere. Let’s try a few quick things that often help with this type of issue:

Power reset: Unplug the TV for about 5 minutes, then plug it back directly into a wall outlet. (Not a power strip) 
Check for audio: When the screen goes black, see if the sound is still playing. If it is, it often points to a backlight issue.
Flashlight test: Shine a flashlight at the screen while it’s black — if you see a faint picture, that confirms a backlight problem.
Remove external devices: Unplug any HDMI or USB devices and test the TV by itself.
Check ventilation: Make sure the TV isn’t too close to a wall and that the vents aren’t blocked.
Software update: If the TV stays on long enough, check for updates under Settings > Support > Software Update.

If the same issue continues after trying these steps, the TV may need service for a potential backlight or power-related issue. 
Please let us know if this helps! 

[Mdn1959]

I have done all the following and every morning when I turn the TV on it last for about five minutes then I have to turn it off and restart it and I have done all the things you have suggested please help

[Samsung_Moderator · Accepted solution]

@Mdn1959, since the previous troubleshooting steps did not resolve the issue, we recommend moving forward with service.

You can obtain service by contacting our phone support at 1-800-SAMSUNG (726-7864), or you may send a moderator a Private Message with the following information so we can review available service options:

• Full model number
• Serial number
• Name
• Address
• Phone number
• Email address

[ChaosSaber]

Sounds like the backlit, what TV is it, try a flash light on the screen and see if you can see anything

[Mdn1959]

Samsung does not have the part that needs to be replaced. They are replacing the TV now