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Samsung 65” Q7 Quit Working

Posted on 5/9/25 at 1:06 am
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 1:06 am
My TV is about 4-5 years old. All of a sudden the screen is black and no sound.

I have tried Xfinity cable box and PS5. Neither works.

The red standby light is on when the TV is off (this is how it should be).

I can hold the power button on the remote for several seconds and the TV will light up and sometimes show QLED in the center. Then it will go black.

The manual power button on the TV does not do anything but make the red light blink.

Any suggestions or is this a lost cause and needs to be replaced?
Posted by UltimaParadox
North Carolina
Member since Nov 2008
47274 posts
Posted on 5/9/25 at 6:36 am to
Software might be locked, thought maybe power board but you actually get the logo on the screen

Assuming you tried actually unplugging and leaving it unplugged for at least 30 seconds?
Posted by LemmyLives
Texas
Member since Mar 2019
10092 posts
Posted on 5/9/25 at 6:44 am to
Try using a different HDMI input, and possibly a different cable.
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 6:48 am to
Have not tried unplugging it yet. Need help getting it off the wall to do that.

I did kill the breaker to the wall where the TV is plugged in for a few minutes then turned it back on with no luck.
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 6:52 am to
Xfinity cable box and PS5 are on 2 sepeperate HDMI cables and inputs on the TV. Neither works.

I do not even get the standard Samsung / Tizen smart hub or a way to access settings. Tried pressing Home button on remote and it’s just black screen. Shouldn’t this be displayed whether HDMI is plugged in or not?
This post was edited on 5/9/25 at 6:57 am
Posted by eatpie
Kentucky
Member since Aug 2018
1440 posts
Posted on 5/9/25 at 11:06 am to
The first thing to do is cut the power to the TV, either pull the plug from the TV or wall. If you cut the correct breaker, that should have done the same.

Before much else, if that TV has been there for 4-5 years, get your air compressor and blow into every vent or hole on to, sides, and back that you can find. Blow it out from multiple directions in each location.

I've had more than a couple of TVs which were shorting out from dust on circuit boards. Its certainly worth a shot.

And don't discount the old standby last resort tool. Hit the thing a bunch of times on the back. Works surprisingly often!
Posted by 98eagle
Member since Sep 2020
2630 posts
Posted on 5/9/25 at 12:26 pm to
Your TV should have a reset button or a reset procedure hitting a combination of buttons. Check the user manual for your TV and do a reset. I have an older Sony TV and I infrequently have to reset it by pressing and holding two buttons on the back simultaneously.
Posted by TigerFanatic99
South Bend, Indiana
Member since Jan 2007
32708 posts
Posted on 5/9/25 at 12:57 pm to
quote:


Your TV should have a reset button or a reset procedure hitting a combination of buttons. Check the user manual for your TV and do a reset. I have an older Sony TV and I infrequently have to reset it by pressing and holding two buttons on the back simultaneously.


For most Samsung TVs, it's holding the power button on the remote while the TV is on until the TV turns off (keep holding), sits off for a few seconds, then the Samsung logo appears on the screen.
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 6:02 pm to
I have done that several times and the TV blinks and lights up with no images. Just dark screen. Sometimes the QLED image appears then screen goes dark.
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 6:03 pm to
I will give this a shot.

Thank you all for the suggestions.
Posted by TheOcean
#honeyfriedchicken
Member since Aug 2004
44341 posts
Posted on 5/9/25 at 7:13 pm to
Posted by CMATTE
Houston, TX
Member since Feb 2010
282 posts
Posted on 5/9/25 at 8:50 pm to
My thoughts exactly. Oh well.

Any suggestions on a new TV? Trying to stay under $1,200. Need Optical and 3 hdmi.

Looking at the Samsung Q80D or QN70F.

Open to Sony and LG.

Have had terrible luck with TCL and Hiscense in the bedrooms.
This post was edited on 5/9/25 at 8:53 pm
Posted by fastlane
Member since Jul 2014
3439 posts
Posted on 5/10/25 at 1:46 am to
Is there a red ring around the Xbox logo, if so you’re screwed.
Posted by 98eagle
Member since Sep 2020
2630 posts
Posted on 5/11/25 at 12:28 pm to
If you're in the market for a new TV RTINGS.com is the best site that thoroughly evaluates, tests and ranks TVs.
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