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May 17th, 2024 14:50

I cannot figure out how to get identical monitors to have the same resolution.

I cannot figure out how to get identical monitors to have the same resolution.

Computer- Dell Vostro 3910

OS- Windows 11 updated to newest available.

Monitors are both AOC Q2963PM 29-inch IPS (21:9) LED-Lit Monitor, capable of 2560 x 1080 Resolution (I have verified they both get that resolution, but not at the same time with this computer)

Primary monitor- Monitor 2 (in Windows display settings)- Primary, goes from DisplayPort on Computer to an adapter that turns it into HDMI and then to monitor. 2560 X 1080
Secondary- Monitor 1 (in Windows display settings)-  Goes from the HDMI port on Computer to HDMI port on the monitor.1920 X 1080

Is it possible to get both monitors to have 2560 X 1080? I have lived with it for many months but it's quite annoying to have two different resolutions on otherwise duplicate monitors.

Graphics: Intel(R) UHD Graphics 770

Name                      Status DriverVersion AdapterRAM
----                      ------ ------------- ----------
Intel(R) UHD Graphics 770 OK     31.0.101.4953 1073741824

System Manufacturer: Dell Inc.
             System Model: Vostro 3910
                     BIOS: 1.9.1 (type: UEFI)
                Processor: 12th Gen Intel(R) Core(TM) i7-12700 (20 CPUs), ~2.1GHz
                   Memory: 32768MB RAM
      Available OS Memory: 32456MB RAM

------------
DxDiag Notes
------------
      Display Tab 1: No problems found.
      Display Tab 2: No problems found.
        Sound Tab 1: No problems found.
        Sound Tab 2: No problems found.
          Input Tab: No problems found.

9 Legend

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12.3K Posts

May 17th, 2024 17:45

HDMI port of Dell pc is the problem. It is often lower in video spec compared to DP port.  Your monitor supports DP in and out. Try daisy chain of the two monitors to single DP port of Dell pc using DP cable only. Dell PC -> DP -> monitor 1 -> DP -> monitor 2

(edited)

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8 Posts

17-05-2024 18:16 PM

@redxps630​ 

Thank you for your suggestion and help so far! So I went from the DisplayPort on the PC to the adapter that turn it into HDMI. That runs into the primary monitor's HDMI-in. Then I ran my DisplayPort cable from the DP-out on the primary monitor to the DP-in on the secondary monitor but found no success. Did I correctly try what you're suggesting?

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8 Posts

17-05-2024 19:03 PM

@redxps630​ 

I found this in the manual so you're idea will work. I just need to be smarter than the monitors :)

I'll keep trying

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18-05-2024 19:36 PM

@redxps630​ 

I have this working now!! Thank you so much!!

8 Wizard

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6.6K Posts

May 17th, 2024 21:18

Sorry to chime in, you can not use DisplayPort to HDMI cable for daisy chain.  Both connections (in and out) for the first monitor have to be DisplayPort.

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18-05-2024 01:33 AM

@Chino de Oro​ 

This is interesting because I did not know that, since I am using my TV as a computer monitor, at the size of a 43-inch monitor.

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18-05-2024 01:44 AM

@Chino de Oro​ 

Thank you! I am receiving my 2nd DisplayPort cable tomorrow so I will re-try this solution and let you all know how it goes!

8 Wizard

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6.6K Posts

May 18th, 2024 03:00

@Richie992024  Since television does not have DisplayPort, you can use DisplayPort to HDMI adapter to the TV for the second monitor as it will be the last in the daisy chain.

The setup is similar as OP's chart: 

DisplayPort from PC to DisplayPort-in of 1st monitor.
DisplayPort-out from 1st monitor with adapter to HDMI-in of the TV.

@CrystalChic  Same configuration for OP with second monitor, it can be connected with DisplayPort from 1st monitor to HDMI of 2nd monitor using adapter.

(edited)

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28 Posts

18-05-2024 03:14 AM

@Chino de Oro​ 

Actually, I don't need to use a 2nd PC monitor, since I use my VGA ports, from my computer to my TV using my VGA cable.

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18-05-2024 14:09 PM

@Chino de Oro​ 

OK so I have a DisplayPort cable running from the computer to the primary monitor. This functions correctly. Under "DP Capability" option in the first monitor I changed it to "DP 1.2 DaisyChain" [from 1.1 previously]. I then plugged the DP to HDMI adapter in the primary monitor DP-out connection and ran the converted HDMI to the HDMI in on the second monitor. The second monitor does not get a connection, I can't access it's options because it doesn't recognize a connection and windows does not detect it. Any guesses?

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18-05-2024 19:36 PM

@Chino de Oro​ 

I have it working with the 2nd DP cable!!! Thank you so much for you help!!

8 Wizard

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6.6K Posts

May 18th, 2024 08:58

@Richie992024 not sure why you are commenting on this thread for daisy chain setup of multiple monitors.

8 Wizard

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6.6K Posts

May 18th, 2024 21:13

Glad to hear that it's working for you.  If you want to learn more about the setup, review this article.

https://www.dell.com/support/contents/en-us/article/product-support/self-support-knowledgebase/monitor-screen-video/guide-daisy-chain-monitors

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