Unable to use twin monitors.
by makem from LinuxQuestions.org on (#5RA1W)
My hardware:
Code:makem@makems-TUF:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 21.04
Release: 21.04
Codename: hirsute
makem@makems-TUF:~$ update-pciids
/usr/share/misc/pci.ids is read-only, exiting.
makem@makems-TUF:~$ sudo update-pciids
[sudo] password for makem:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 272k 100 272k 0 0 847k 0 --:--:-- --:--:-- --:--:-- 845k
Done.
makem@makems-TUF:~$ lspci | grep -i --color 'vga\|3d\|2d'
00:02.0 VGA compatible controller: Intel Corporation RocketLake-S GT1 [UHD Graphics 750] (rev 04)
00:17.0 SATA controller: Intel Corporation Device 43d2 (rev 11)
makem@makems-TUF:~$ lspci -v -s 00:02.0 00:02.0 VGA compatible controller: Intel Corporation RocketLake-S GT1 [UHD Graphics 750] (rev 04) (prog-if 00 [VGA controller]) DeviceName: Onboard - Video Subsystem: ASUSTeK Computer Inc. Device 8694 Flags: bus master, fast devsel, latency 0, IRQ 159 Memory at 6000000000 (64-bit, non-prefetchable) [size=16M] Memory at 4000000000 (64-bit, prefetchable) [size=256M] I/O ports at 4000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915
makem@makems-TUF:~$Monitor 1:
MSI Optix G241 Esports Gaming IPS Monitor
2x HDMI (1.4b)
1x Display Port (1.2a)
This monitor is attached to the Display Port
Monitor 2:
ASUS VS248HR
Signal Input : HDMI, D-Sub, DVI-D
AV Audio Input : HDMI
This monitor is attached to the HDMI port
On boot, Display in xubuntu applications shows:
Microstep 24"
Resolution: 1920x1080
Monitor 2: Report - HDMI No Signal. The cables have been checked and the HDMI cable replaced
Code:makem@makems-TUF:~$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 21.04
Release: 21.04
Codename: hirsute
makem@makems-TUF:~$ update-pciids
/usr/share/misc/pci.ids is read-only, exiting.
makem@makems-TUF:~$ sudo update-pciids
[sudo] password for makem:
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 272k 100 272k 0 0 847k 0 --:--:-- --:--:-- --:--:-- 845k
Done.
makem@makems-TUF:~$ lspci | grep -i --color 'vga\|3d\|2d'
00:02.0 VGA compatible controller: Intel Corporation RocketLake-S GT1 [UHD Graphics 750] (rev 04)
00:17.0 SATA controller: Intel Corporation Device 43d2 (rev 11)
makem@makems-TUF:~$ lspci -v -s 00:02.0 00:02.0 VGA compatible controller: Intel Corporation RocketLake-S GT1 [UHD Graphics 750] (rev 04) (prog-if 00 [VGA controller]) DeviceName: Onboard - Video Subsystem: ASUSTeK Computer Inc. Device 8694 Flags: bus master, fast devsel, latency 0, IRQ 159 Memory at 6000000000 (64-bit, non-prefetchable) [size=16M] Memory at 4000000000 (64-bit, prefetchable) [size=256M] I/O ports at 4000 [size=64] Expansion ROM at 000c0000 [virtual] [disabled] [size=128K] Capabilities: <access denied> Kernel driver in use: i915 Kernel modules: i915
makem@makems-TUF:~$Monitor 1:
MSI Optix G241 Esports Gaming IPS Monitor
2x HDMI (1.4b)
1x Display Port (1.2a)
This monitor is attached to the Display Port
Monitor 2:
ASUS VS248HR
Signal Input : HDMI, D-Sub, DVI-D
AV Audio Input : HDMI
This monitor is attached to the HDMI port
On boot, Display in xubuntu applications shows:
Microstep 24"
Resolution: 1920x1080
Monitor 2: Report - HDMI No Signal. The cables have been checked and the HDMI cable replaced