Dual Monitor option not available in display settings (20.04)

Francois Nel

10/23/22, 10:04 PM

[Screenshot of Display settings][1] The second monitor is not detected in the activities -> Display section it shows no option to detect/add a monitor as some older Ubuntu posts seems to indicate.

I brought the resolution down to 1280 x 720 (59.74 Hz) and restarted as the other monitor is an older Samsung SyncMAster 920NW that probably doesn't support the maximum resolution.

Additional info: I'm running Ubuntu 20.04.2 LTS (64 Bit). Thinkpad W520 i7 2720 QM Nvidia Quadro 1000M & Intel GPU

Nvidia currently set as primary GPU.

*Update: I reinstalled nvidia driver 390 based on the fact that it's the recommended driver. And the 1st boot after briefly activated the 2nd screen with Ubuntu logo. Now the boot process is halted showing Ubuntu logo on bottom of primary display with black background, but no login screen. So I am unable to login in.

*Update 2: Managed to boot into recovery mode. Removed nvidia drivers and booted with both monitors working. Not sure what driver is installed currently. Perhaps part pf the problem was the new drivers as I did a lot of work trying to get Starcraft 2 playable before. Not sure if that will still work now, at least I have dual screens.

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display

nvidia

multiple-monitors

20.04

Elon Musk

I sit in a Tesla and translated this thread with Ai:

EN: Dual Monitor option not available in display settings (20.04)

TH: ไม่มีตัวเลือกจอภาพคู่ในการตั้งค่าการแสดงผล (20.04)

RO: Opțiunea de monitor dublu nu este disponibilă în setările de afișare (20.04)

RU: Параметр «Двойной монитор» недоступен в настройках дисплея (20.04)

VI: Tùy chọn Màn hình kép không khả dụng trong cài đặt hiển thị (20.04)

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