F5F Stay Refreshed Hardware Desktop Identify issues with multiple display configurations.

Identify issues with multiple display configurations.

Identify issues with multiple display configurations.

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Wolf_Sama16
Junior Member
8
02-09-2021, 05:57 AM
#1
Need assistance connecting your LG C9 TV to your PC? GPU drivers for 3060 TI are up-to-date. Current monitors include Dell S3220DGF and Dell S3221QS. I'm trying to get everything working via HDMI 2.1, but the TV just shows "no signal" even though it detects me. I changed the multiple display settings in the NVIDIA control panel without success, but the issue persists—my monitors stop showing content when I connect the TV, and I don’t have a third monitor to use. Any tips on fixing the NVIDIA panel settings or getting the TV to function properly?
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Wolf_Sama16
02-09-2021, 05:57 AM #1

Need assistance connecting your LG C9 TV to your PC? GPU drivers for 3060 TI are up-to-date. Current monitors include Dell S3220DGF and Dell S3221QS. I'm trying to get everything working via HDMI 2.1, but the TV just shows "no signal" even though it detects me. I changed the multiple display settings in the NVIDIA control panel without success, but the issue persists—my monitors stop showing content when I connect the TV, and I don’t have a third monitor to use. Any tips on fixing the NVIDIA panel settings or getting the TV to function properly?

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jujunorton
Junior Member
8
03-01-2021, 02:13 PM
#2
once all connected try going through the input setup on your c9, I'm reading it has a special PC mode for use with pcs
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jujunorton
03-01-2021, 02:13 PM #2

once all connected try going through the input setup on your c9, I'm reading it has a special PC mode for use with pcs

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xe110022
Junior Member
12
03-02-2021, 11:55 PM
#3
Thank you for your response. Unfortunately, it didn't work.
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xe110022
03-02-2021, 11:55 PM #3

Thank you for your response. Unfortunately, it didn't work.

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Shardgale
Senior Member
547
03-03-2021, 12:44 AM
#4
Does the HDMI input now display the PC icon? Have you tested other devices on that C9’s HDMI port? Have you installed the latest firmware for the C9?
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Shardgale
03-03-2021, 12:44 AM #4

Does the HDMI input now display the PC icon? Have you tested other devices on that C9’s HDMI port? Have you installed the latest firmware for the C9?

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Eduardo_GameOn
Posting Freak
921
03-03-2021, 06:05 AM
#5
The HDMI input displays the PC icon after changing settings, as recommended. I've tested other devices on that HDMI port—works fine, including my laptop using the same cable. The issue repeats across different HDMI inputs. c9 is current with its firmware; I don't know if it matters, but the BIOS is also up to date.
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Eduardo_GameOn
03-03-2021, 06:05 AM #5

The HDMI input displays the PC icon after changing settings, as recommended. I've tested other devices on that HDMI port—works fine, including my laptop using the same cable. The issue repeats across different HDMI inputs. c9 is current with its firmware; I don't know if it matters, but the BIOS is also up to date.

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DRGNdragsYT
Senior Member
723
03-04-2021, 12:06 AM
#6
Needs to be reinstalled?
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DRGNdragsYT
03-04-2021, 12:06 AM #6

Needs to be reinstalled?

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iTzMarvinPvP_
Member
51
03-04-2021, 03:41 AM
#7
It's worth noting that the TV won't show up even after removing the NVIDIA drivers via Device Manager. Uninstalling them through the device manager should resolve the issue.
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iTzMarvinPvP_
03-04-2021, 03:41 AM #7

It's worth noting that the TV won't show up even after removing the NVIDIA drivers via Device Manager. Uninstalling them through the device manager should resolve the issue.

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LucasandClaus
Senior Member
438
03-09-2021, 08:41 AM
#8
Avoid common issues by starting simple before getting overwhelmed.
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LucasandClaus
03-09-2021, 08:41 AM #8

Avoid common issues by starting simple before getting overwhelmed.

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FoxMangle_612
Member
86
03-09-2021, 09:42 AM
#9
okay I've given it a go, uninstalled twice in safe mode offline, then reinstalled latest driver. still no good I would be able to do so much more if I could just re-enable my 2 main monitors to display at the very least when the C9 is plugged in. Any idea how to reset that? I've read something about resetting registries that save multiple display settings when things are plugged in?
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FoxMangle_612
03-09-2021, 09:42 AM #9

okay I've given it a go, uninstalled twice in safe mode offline, then reinstalled latest driver. still no good I would be able to do so much more if I could just re-enable my 2 main monitors to display at the very least when the C9 is plugged in. Any idea how to reset that? I've read something about resetting registries that save multiple display settings when things are plugged in?

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ZerinhoPvP_
Junior Member
14
03-09-2021, 02:43 PM
#10
This method will help clear and reset the external display cache in Windows 10. Launch the Registry Editor and navigate to the path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers. Click the desired subkey, choose Delete from the menu. Then remove two additional subkeys such as Connectivity and ScaleFactors. After completing these steps, restart your computer so the changes from the registry update are applied.
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ZerinhoPvP_
03-09-2021, 02:43 PM #10

This method will help clear and reset the external display cache in Windows 10. Launch the Registry Editor and navigate to the path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\GraphicsDrivers. Click the desired subkey, choose Delete from the menu. Then remove two additional subkeys such as Connectivity and ScaleFactors. After completing these steps, restart your computer so the changes from the registry update are applied.

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