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SER7 HDMI 2.1 Probrem! Monitor disconnects at random times

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Post time 2023-11-13 17:41:15 | Show all posts |Read mode


There is no problem when connecting with DP, but when connecting to the HDMI 2.1 port with the ultra high speed HDMI cable, it disconnects irregularly.
Irregular disconnections occur only when the refresh rate is 144Hz or 175Hz.
I think, The refresh rate needs HDMI 2.1 speed.
Does anyone know if the SER7 can be properly connected to a monitor with HDMI 2.1?

I would like to enable VRR and use it at 144Hz.


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Post time 2023-11-13 18:03:56 | Show all posts
hello, may I know which item you are talking about specifically? could you pls send us a picture of the sn code on the bottom of the machine? thanks
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 Author| Post time 2023-11-14 07:23:19 | Show all posts
Edited by n-kase at 2023-11-14 12:46
tuiguang7 replied at 2023-11-13 18:03
hello, may I know which item you are talking about specifically? could you pls send us a picture of  ...
Sorry I've fogot to upload picture.
I'm talking about "A78403JG20069"
20231114_043230795_iOS (2) (大).jpg
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Post time 2023-11-14 14:01:41 | Show all posts
hello, thanks, may I know what is the resolution of your monitor? and if you use the cable coming with the machine, does that work? thanks
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 Author| Post time 2023-11-14 15:25:13 | Show all posts
Edited by n-kase at 2023-11-14 15:26

My monitor is "MSI MEG 342C".
The resolution has set to WUQHD (3440x1440).
I'm using the Ultra High Speed ​​cable that comes with the monitor.
and I've checked the cable coming with SER7, but it's unstable, too.
The cable comes with machine is labeled "High Speed ​​HDMI Cable with Ethernet".
Probably, it means HDMI version 1.4.
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 Author| Post time 2023-11-14 18:10:04 | Show all posts
Can the SER7 be used with a monitor connected via HDMI with a resolution of UWQHD and a refresh rate of 144Hz?
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Post time 2023-11-15 02:28:07 | Show all posts
Edited by doodlewalker at 2023-11-15 02:29

I have a SER7 running on a Dell 3223Q 4K HDR and can run this without issue at 144Hz @ 4K, I usually run @ 120Hz but have been running for a few hours now @ 144Hz just to test without issue. I'm using a good HDMI 2.1 cable.
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 Author| Post time 2023-11-15 07:48:43 From the mobile phone | Show all posts
Edited by n-kase at 2023-11-20 13:00

thank you for your replying.
I'll contact to monitor's manufacture.


> doodlewalker
May I have your version num of vga driver?
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 Author| Post time 2023-11-18 06:36:41 From the mobile phone | Show all posts
Is there anyone who can try HDMI connection with UWQHD (3440x1440) resolution and 144Hz refresh rate?
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 Author| Post time 2023-11-21 15:06:20 | Show all posts
n-kase replied at 2023-11-18 06:36
Is there anyone who can try HDMI connection with UWQHD (3440x1440) resolution and 144Hz refresh rate ...

I replaced the monitor as initial failure.
It works fine now.
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