need for help: dual monitor and nvidia drivers problem

[Mladengro]

Hello everyone,

I’m a newcomer to Linux coming from Windows, and I’m completely a beginner. I’ve spent quite a bit of time browsing forums and reading various things before coming here to write, but without results, which is why I’m reaching out.

I installed Zorin in dual boot with Windows on my computer (AMD Ryzen 7 3700, 32GB RAM, and Nvidia 4060). I have two monitors, both with a resolution of 1920 x 1080. One is connected via HDMI (this is the one we’re interested in, an Asus V247), and the other via DisplayPort.

After installing Zorin, both screens were working, but the HDMI-connected screen only displayed a maximum resolution of 1600 x 900 (I should note that I was already using this screen on Windows, and it displayed the 1920 x 1080 resolution without any issues).

After many discussions on the forums, I tried all the solutions related to Xrandr, as well as purging and reinstalling the Nvidia drivers. Nothing changed. I tried different versions of the Nvidia drivers, rebooted, and still no change.

On another forum, I came across someone suggesting modifying the kernel version via Mainline. And there, miracle! My HDMI screen finally displayed the correct resolution. However, the DisplayPort screen didn’t turn on at all.

In short, I’ve tried many things with the latest kernel versions, but I ended up going back to the original 6.8.0 version of Zorin and got both screens back (including the Asus V247, but with the wrong resolution).

Do you have any ideas on what might work? I should also mention that I tried changing between Wayland and X11 at startup without success.

As a little extra, I tried connecting another screen via HDMI instead of the Asus V247, and it was recognized immediately and displayed the correct resolution. So it’s likely that my older Asus V247 isn’t sending the right signal; however, once again, it’s easily identified on Windows and displays the correct resolution.

Thank you for reading, and I hope I haven’t posted this in an inappropriate place.

Mladen

Let me know if you need any further changes!

[Forpli]

xrandr or arandr (that is a GUI for xrandr) only work on XOrg. But this are the tools that are good for multi monitor setup.
For nvidia users it is recommended to switch to XOrg.
You wrote that you couldn't switch to Xorg. Reboot and at login click on your username, then a cog wheal appears. Click on it and choose "Zorin desktop on Xorg". Then login with your password. This setting will be kept until you change it. Or do you mean switching to XOrg had no effect to get a higher resolution?

Please disable fast boot and secure boot in your BIOS and fast startup in Windows.

Configuring Multiple Displays In Linux Using Arandr (Xrandr GUI)

Which nvidia driver do you use?

Would you please add your version of Zorin (core, lite..) to your forum profile?

[Ponce-De-Leon]

Welcome to the Forum!

First: I have shortened Your comment because of double Content.

To Your Issue:

• Because You have a Dual-Boot System, do You have Secure Boot and Fast Boot in BIOS disabled?
• Do You have Fast Start-Up in Windows disabled?
• Did You checked Your Nvidia Card specs if there might be a Limitation of Resolution when using HDMI and DisplayPort?
• Did You tried other Cables?

Because You are using a Nvidia card it would be good to use Xorg like @Forpli already wrote. Did You installed Zorin with Nvidia Drivers or did You installed the Drivers after the Installation?

[StarTreker]

Hopefully the excellent advice from these fine fellows helps. Since you have an Nvidia GPU, I'd like to remind you of Nvidia X Server Settings.

This is the best GUI APP for managing your displays, as its literally designed with your GPU in mind.

Regarding what Ponce just wrote, check Additional Drivers, make sure your driver is selected in use.

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