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LG C1 When enabling HDMI Deep Color on the TV i get a black screen with flashing invalid format

Gustavo Dutra
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Hello everyone. As the title says, im having this connection issue with my hdmi cable to the tv. Usually the fix would be to buy a hdmi 2.1 cable. However.....
 I've also the LG C3. Before i used to game at it when i was back home. I used the same hdmi cable in the C3 to the pc and it worked with no issues whatsoever. So i dont believe the issue is actually the cable here.

Anyone have any ideas what else could this be ?

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I've had a similar problem with my C9 when HDMI 2.1 first came out. Even though i had certified HDMI 2.1 cables it seemed like only a few of them were actually compatible with my particular GPU and TV combo for some reason.

If someone did not use reason to reach their conclusion in the first place, you cannot use reason to convince them otherwise.

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5 minutes ago, Stahlmann said:

I've had a similar problem with my C9 when HDMI 2.1 first came out. Even though i had certified HDMI 2.1 cables it seemed like only a few of them were actually compatible with my particular GPU and TV combo for some reason.

Man this sucks.... I can't enable the game experience feature and deep color....

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The HDMI Ultra High Speed certified "Maya" cable from the brand Zeskit is a popular choice for LG TV owners. It's also the first one i tried that worked without issues.

If someone did not use reason to reach their conclusion in the first place, you cannot use reason to convince them otherwise.

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5 minutes ago, Stahlmann said:

The HDMI Ultra High Speed certified "Maya" cable from the brand Zeskit is a popular choice for LG TV owners. It's also the first one i tried that worked without issues.

Im using this hdmi PIX 2.1. The store says its ideal for nex gen consoles.... Maybe its that.

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You might need to try different port on your TV. For my case when I bought HDMI 2.1 switch device, I need to use HDMI 4 as it's the strongest port. Other ports would either flashing black screen or reduce down to HDMI 2.0. Even still I get black screen after turning on PC or TV, but it rarely happens and I'm OK with it for now. 

PC spec: CPU: RYZEN 9 5950X | GPU: SAPPHIRE NITRO+ SE AMD RADEON 6900XT (Undervolt to 1045mV) | MB: MSI MAG TOMAHAWK x570 | RAM: G.SKILL TRIDENT Z NEO 32GB (2x16GB) DDR4-3600 (OC to 3800 14-15-15-25) | COOLING: NOCTUA NH-D15, BE QUIET! SILENT WINGS 120 & 140mm| CASE: IN-WIN 707 | 5.25" BAY: LG WH16NS60 INTERNAL BLU-RAY OPTICAL DRIVE | PSU: SEASONIC PRIME PLATINUM 1000W | UPS: POWERSHIELD COMMANDER TOWER 1100VA

PERIPHERALS: KEYBOARD: CORSAIR K95 PLATINUM XT BROWN SWITCH | MOUSE: CORSAIR SABRE PRO WIRELESS | CONTROLLER: PDP AFTERGLOW WIRED CONTROLLER, DUALSENSE
DISPLAYS: LG 34GN850 | 2x DELL S2721DGF | LG C1 48" 

HT & audio stuff:  AVR: MARANTZ SR7013 | STEREO AMPLIFIER: YAMAHA AS-501 | SPEAKERS: DALI OBERON 7 & DALI ZENSOR 1 & 2x SVS-SB2000 | HEADPHONE DAC+AMP: TOPPING L30+E30 | HEADPHONE: SENNHEISER HD6XX, BOSE QUIETCOMFORT 35 II | MICROPHONE: AUDIO-TECHNICA AT9934USB | BLU-RAY PLAYER: PANASONIC UB820

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