Question Dual monitor issues - HDMI timeout [Help needed! plz]

Jan 15, 2021
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This is frustrating and i've done everything that I could to fix but im here and asking for aid! My main monitor is a BenQ [Rl2455hm] 1080 @ 60 Hz and second is LG 55CX 4k @ 120Hz connected to my RTX 3080 HDMI 2.1 while my BenQ is connected to the display port on my 3080 but on the other hand it's a HDMI port because my BenQ does not have DP just HDMI. In NCP i have my LG 55 running at 4k 120Hz and BENQ at 1080p 60Hz. I do have screen extended from my BenQ(maybe this is the issue, GPU providing two different resolutions?) For my LG55Cx i have the setting to Game mode, swtiched the HDMI 1 to PC mode and enabled Deep cooling, HDR.

Now that you know this information, this is the issue. My BenQ monitor time to time times outs and it says HDMI not connected. I purchased a new DP to HDMI and still getting same issues. I re-installed my windoes fresh twice, was on windows 20H2, im now on windows 1909 and still getting the same issues. I rans some tests with Heaven benchmarks and everything came out beautiful, when i play 4k gaming on my LG its beautiful so my GPU can't be faulty.

Specs:
MB: MSI x570 Gaming Pro Carbon Wifi
CPU: AMD Ryzen 7 2700
RAM: TForce 4x8GB 32GB @ 3,000Mhz
GPU: MSI RTX 3080 TRIO
CASE: InWin 925 PSU: 750W
FANS: InWin ASL 120
TV: LG 55 CX
Main Monitor: BenQ 1080p
PSU: 1000W EVGA

If anyone can help me please! I'll even do voice chat on my discord page if need me. [https://discord.gg/QCU79QFXcp]


I would really appricate it everyone!
 
This is frustrating and i've done everything that I could to fix but im here and asking for aid! My main monitor is a BenQ [Rl2455hm] 1080 @ 60 Hz and second is LG 55CX 4k @ 120Hz connected to my RTX 3080 HDMI 2.1 while my BenQ is connected to the display port on my 3080 but on the other hand it's a HDMI port because my BenQ does not have DP just HDMI. In NCP i have my LG 55 running at 4k 120Hz and BENQ at 1080p 60Hz. I do have screen extended from my BenQ(maybe this is the issue, GPU providing two different resolutions?) For my LG55Cx i have the setting to Game mode, swtiched the HDMI 1 to PC mode and enabled Deep cooling, HDR.

Now that you know this information, this is the issue. My BenQ monitor time to time times outs and it says HDMI not connected. I purchased a new DP to HDMI and still getting same issues. I re-installed my windoes fresh twice, was on windows 20H2, im now on windows 1909 and still getting the same issues. I rans some tests with Heaven benchmarks and everything came out beautiful, when i play 4k gaming on my LG its beautiful so my GPU can't be faulty.

Specs:
MB: MSI x570 Gaming Pro Carbon Wifi
CPU: AMD Ryzen 7 2700
RAM: TForce 4x8GB 32GB @ 3,000Mhz
GPU: MSI RTX 3080 TRIO
CASE: InWin 925 PSU: 750W
FANS: InWin ASL 120
TV: LG 55 CX
Main Monitor: BenQ 1080p
PSU: 1000W EVGA

If anyone can help me please! I'll even do voice chat on my discord page if need me. [https://discord.gg/QCU79QFXcp]


I would really appricate it everyone!
so are you trying to using the two monitors as one screen? if so yeah may not work with the settings you have. if it's just you have it set so you have a secondary monitor then you shouldn't have a issue have different resolution's. you may need to check your drivers for update's bio's for update, reseat gpu, make sure power cords are seated snuggly, there's a couple things
 
Jan 15, 2021
23
1
15
0
so are you trying to using the two monitors as one screen? if so yeah may not work with the settings you have. if it's just you have it set so you have a secondary monitor then you shouldn't have a issue have different resolution's. you may need to check your drivers for update's bio's for update, reseat gpu, make sure power cords are seated snuggly, there's a couple things
Not as one screen, I have ther LG TV set up as a secondary monitor but in windows settings it has #1 of 2 displays. should i keep extending screen from my BenQ? I'll check the power cables right now.
 
Jan 15, 2021
23
1
15
0
so are you trying to using the two monitors as one screen? if so yeah may not work with the settings you have. if it's just you have it set so you have a secondary monitor then you shouldn't have a issue have different resolution's. you may need to check your drivers for update's bio's for update, reseat gpu, make sure power cords are seated snuggly, there's a couple things
My Bios is up to date(one before beta) , GPU also on the latest drivers and i just checked the power cables, unplugged and replugged. I moved the DP that was on slot 3 to slot 1 so now their beside eachother. Don't know if this will change anything but lets see!
 

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