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Original topic:

Samsung QLED does not recognize PC via HDMI after one little simple incident, I tried literally EVERYTHING!!!

(Topic created on: 20-11-2022 08:04 AM)
Aria97
Apprentice
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TV

Hi

I have samsung QE65Q60AA Software Ver 2101 and Asus gaming laptop with 4k output windows 11 updated all drivers.

Everything was fine until yesterday when I was playing a game and using my Samsung TV as my display via HDMI, game mode was on and working fine and one second I came to disconnect my Ethernet cable and I just touched the HDMI cable connected to my laptop that caused it to get disconnected from my TV and the game crashed (refresh rate service error). After this incident I couldn’t connect my Asus laptop to my Samsung TV anymore, first I thought my cable is broken but I tested it with a different Laptop and it worked fine with my Samsung TV, and then I though my Asus HDMI port may be broken But I connected it to another TV and it worked fine too!

So there is something specific wrong between my Asus laptop and my Samsung TV, I tried different types of HDMI cables, different resolutions but it didn’t work at all.

Then I thought maybe somehow my Asus laptop or my Samsung TV is blocked the other one after that incident that my game crashed, so I reinstalled my Windows and Reset factory my Samsung TV, but it didn’t help!

My Asus laptop detects the second screen (my Samsung TV) but my Samsung TV doesn’t recognize it (says unknown device).

I tried different HDMI port of my TV, I tried first connecting them then turning on my laptop or vice versa but none of them helped me!

 

I would appreciate if anyone could help me solve this weird problem!

 

6 REPLIES 6
Obsydian
Hotshot
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TV
Have you tried another HDMI
Regards, Obsydian

DAILY DEVICES
ZFold4 [Mobile], Pro5 [Watch], S8 Ultra [Tablet], Book2 Pro i5 5G [Laptop], Buds Pro2 [Buds] M70A 32/43" [Monitor], Smart Tags+, iPad Mini 5 and iPad Pro 12.9 GEN2 [Tablets], Dell Inspiron G5 Laptop

HOUSEHOLD DEVICES
ZFlip3 and ZFlip4 [Mobile], Watch5 40mm and 46mm [Watch], S7+ and S6 Lite [Tablet], QN95A [TV], Q900A [Soundbar], MC28M6075 and MC32K7055 [Microwave], Jet 75 Complete (Vaccum), Samsung Level [Speaker], Buds Pro [Buds], iPhone 12, iPad Air 2, Air tags
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Aria97
Apprentice
Options
TV

Yes I tried 9 different HDMI cables HDMI ver 1.4 and 2, supporting and not supporting 4k!
they works with another laptop and this Samsung TV, and also they works fine when I use them to connect my Asus laptop to another TV!
just can’t connect my Asus to my Samsung TV!

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Aria97
Apprentice
Options
TV

Yes I tried 9 different HDMI cables HDMI ver 1.4 and 2, supporting and not supporting 4k!
they works with another laptop and this Samsung TV, and also they works fine when I use them to connect my Asus laptop to another TV!
just can’t connect my Asus to my Samsung TV!

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Obsydian
Hotshot
Options
TV
Very odd, can you try another hdmi port, is it a one connect box or direct to the TV.

Beyond that check through the input manager on the TV menu.

Frustrating issue, seems the firmware has messed something up, unsure if you can rollback firmware, maybe try downloading the prior firmware to USB and try.
Regards, Obsydian

DAILY DEVICES
ZFold4 [Mobile], Pro5 [Watch], S8 Ultra [Tablet], Book2 Pro i5 5G [Laptop], Buds Pro2 [Buds] M70A 32/43" [Monitor], Smart Tags+, iPad Mini 5 and iPad Pro 12.9 GEN2 [Tablets], Dell Inspiron G5 Laptop

HOUSEHOLD DEVICES
ZFlip3 and ZFlip4 [Mobile], Watch5 40mm and 46mm [Watch], S7+ and S6 Lite [Tablet], QN95A [TV], Q900A [Soundbar], MC28M6075 and MC32K7055 [Microwave], Jet 75 Complete (Vaccum), Samsung Level [Speaker], Buds Pro [Buds], iPhone 12, iPad Air 2, Air tags
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Aria97
Apprentice
Options
TV

I tried All Three HDMI ports of my Samsung TV,

I connect my Asus laptop to my Samsung TV directly with HDMI

It’s not possible to downgrade firmware. 

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Aria97
Apprentice
Options
TV

The problem happened when I came to disconnect my ethernet cable from my laptop and it is close to the HDMI port, and I just touched the HDMI cable and the connection can not be established afterwards.

 

I don’t know if the disconnecting of the ethernet cable might relate to the problem or not. (the HDMI cable is with ethernet as well)

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