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Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 4:49 am
by IoannisTsoulos
The OptiPlex 5480 AIO with Mx 23.3 seems to have some problems with the graphics card.
Sometimes after some minutes of inactivity the screen goes black and remains black and I should make a manual restart
here is the information of the system
Code: Select all
System:
Kernel: 6.1.0-17-amd64 [6.1.69-1] arch: x86_64 bits: 64 compiler: gcc v: 12.2.0
parameters: BOOT_IMAGE=/boot/vmlinuz-6.1.0-17-amd64 root=UUID=<filter> ro quiet splash
Desktop: KDE Plasma v: 5.27.5 tk: Qt v: 5.15.8 wm: kwin_x11 vt: 7 dm: SDDM
Distro: MX-23.3_KDE_x64 Libretto January 21 2024 base: Debian GNU/Linux 12 (bookworm)
Machine:
Type: Desktop System: Dell product: OptiPlex 5480 AIO v: N/A serial: <superuser required>
Chassis: type: 13 serial: <superuser required>
Mobo: Dell model: 05T2V2 v: A00 serial: <superuser required> UEFI: Dell v: 1.27.0
date: 11/08/2023
CPU:
Info: model: Intel Core i7-10700T bits: 64 type: MT MCP arch: Comet Lake gen: core 10 level: v3
note: check built: 2020 process: Intel 14nm family: 6 model-id: 0xA5 (165) stepping: 5
microcode: 0xF8
Topology: cpus: 1x cores: 8 tpc: 2 threads: 16 smt: enabled cache: L1: 512 KiB
desc: d-8x32 KiB; i-8x32 KiB L2: 2 MiB desc: 8x256 KiB L3: 16 MiB desc: 1x16 MiB
Speed (MHz): avg: 800 min/max: 800/4500 scaling: driver: intel_pstate governor: powersave
cores: 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800 9: 800 10: 800 11: 800 12: 800
13: 800 14: 800 15: 800 16: 800 bogomips: 63998
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Vulnerabilities:
Type: gather_data_sampling mitigation: Microcode
Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf status: Not affected
Type: mds status: Not affected
Type: meltdown status: Not affected
Type: mmio_stale_data mitigation: Clear CPU buffers; SMT vulnerable
Type: retbleed mitigation: Enhanced IBRS
Type: spec_rstack_overflow status: Not affected
Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via prctl
Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2 mitigation: Enhanced IBRS, IBPB: conditional, RSB filling, PBRSB-eIBRS: SW
sequence
Type: srbds mitigation: Microcode
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: Intel CometLake-S GT2 [UHD Graphics 630] vendor: Dell driver: i915 v: kernel
arch: Gen-9.5 process: Intel 14nm built: 2016-20 ports: active: eDP-1 empty: DP-1,HDMI-A-1
bus-ID: 00:02.0 chip-ID: 8086:9bc5 class-ID: 0300
Device-2: Sunplus Innovation Integrated_Webcam_FHD type: USB driver: uvcvideo bus-ID: 1-10:4
chip-ID: 1bcf:2b9b class-ID: 0e02
Display: x11 server: X.Org v: 1.21.1.7 with: Xwayland v: 22.1.9 compositor: kwin_x11 driver: X:
loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915 display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
Monitor-1: eDP-1 model: Dell OptiPlex 3280 serial: <filter> built: 2019 res: 1920x1080 hz: 60
dpi: 102 gamma: 1.2 size: 477x268mm (18.78x10.55") diag: 547mm (21.5") ratio: 16:9
modes: 1920x1080
API: OpenGL v: 4.6 Mesa 23.1.2-1~mx23ahs renderer: Mesa Intel UHD Graphics 630 (CML GT2)
direct-render: Yes
Audio:
Device-1: Intel Comet Lake PCH cAVS vendor: Dell driver: snd_hda_intel v: kernel
alternate: snd_sof_pci_intel_cnl bus-ID: 00:1f.3 chip-ID: 8086:06c8 class-ID: 0403
API: ALSA v: k6.1.0-17-amd64 status: kernel-api tools: alsamixer,amixer
Server-1: PipeWire v: 1.0.0 status: active with: 1: pipewire-pulse status: active
2: wireplumber status: active 3: pipewire-alsa type: plugin 4: pw-jack type: plugin
tools: pactl,pw-cat,pw-cli,wpctl
Network:
Device-1: Intel Comet Lake PCH CNVi WiFi driver: iwlwifi v: kernel modules: wl bus-ID: 00:14.3
chip-ID: 8086:06f0 class-ID: 0280
IF: wlan0 state: up mac: <filter>
Device-2: Intel Ethernet I219-LM vendor: Dell driver: e1000e v: kernel port: N/A
bus-ID: 00:1f.6 chip-ID: 8086:0d4c class-ID: 0200
IF: eth0 state: down mac: <filter>
Bluetooth:
Device-1: Intel AX201 Bluetooth type: USB driver: btusb v: 0.8 bus-ID: 1-14:5 chip-ID: 8087:0026
class-ID: e001
Report: hciconfig ID: hci0 rfk-id: 1 state: up address: <filter> bt-v: 3.0 lmp-v: 5.2
sub-v: 2090 hci-v: 5.2 rev: 2090
Info: acl-mtu: 1021:4 sco-mtu: 96:6 link-policy: rswitch sniff link-mode: peripheral accept
service-classes: rendering, capturing, object transfer, audio, telephony
Drives:
Local Storage: total: 238.47 GiB used: 97.97 GiB (41.1%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: SK Hynix model: PC611 NVMe 256GB size: 238.47 GiB
block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter>
rev: 11001111 temp: 41.9 C scheme: GPT
Partition:
ID-1: / raw-size: 238.22 GiB size: 233.43 GiB (97.99%) used: 97.97 GiB (42.0%) fs: ext4
dev: /dev/nvme0n1p2 maj-min: 259:2
ID-2: /boot/efi raw-size: 256 MiB size: 252 MiB (98.46%) used: 274 KiB (0.1%) fs: vfat
dev: /dev/nvme0n1p1 maj-min: 259:1
Swap:
Kernel: swappiness: 15 (default 60) cache-pressure: 100 (default)
ID-1: swap-1 type: file size: 4 GiB used: 0 KiB (0.0%) priority: -2 file: /swap/swap
Sensors:
System Temperatures: cpu: 52.0 C pch: 45.0 C mobo: N/A
Fan Speeds (RPM): N/A
Repos:
Packages: pm: dpkg pkgs: 3469 libs: 2013 tools: apt,apt-get,aptitude,nala,synaptic pm: rpm
pkgs: 0
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list
1: deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
Active apt repos in: /etc/apt/sources.list.d/debian.list
1: deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
2: deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
Active apt repos in: /etc/apt/sources.list.d/google-earth-pro.list
1: deb [arch=amd64] http://dl.google.com/linux/earth/deb/ stable main
Active apt repos in: /etc/apt/sources.list.d/insync.list
1: deb http://apt.insync.io/debian bookworm non-free contrib
Active apt repos in: /etc/apt/sources.list.d/mx.list
1: deb http://ftp.cc.uoc.gr/mirrors/linux/mx/mx/repo/ bookworm main non-free
2: deb http://ftp.cc.uoc.gr/mirrors/linux/mx/mx/repo/ bookworm ahs
3: deb http://cloud.r-project.org/bin/linux/debian bookworm-cran40/
No active apt repos in: /etc/apt/sources.list.d/skype-stable.list
Info:
Processes: 332 Uptime: 2m wakeups: 1 Memory: 15.31 GiB used: 3.34 GiB (21.8%) Init: SysVinit
v: 3.06 runlevel: 5 default: graphical tool: systemctl Compilers: gcc: 12.2.0 alt: 12
Client: shell wrapper v: 5.2.15-release inxi: 3.3.26
Boot Mode: UEFI
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:05 am
by davidy
I have never used a screen blanker since I bought my laptop, but, mx23 defaults to a screen off state after a few minutes, which I really don't mind on my laptop and so I haven't bothered to shut it off. Sounds like your screen is set to blank after a few and it never wakes back up. Have you tried doing it manually and not letting it timeout by itself to see what happens? I just switched it off but had to enable it first to do so which in and of itself makes no sense. IOW, 'display power mngmnt' was off but enabled and to disable it I had to turn it on first. Kinda strange behavior.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:08 am
by IoannisTsoulos
Yes but it did not wake up.
I believe that is a problem with the dpms but I do not know how to solve it
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:12 am
by j2mcgreg
I suspect that your problem lies with a screen saver that needs to be configured and / or removed from your system.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:13 am
by davidy
There is one option to use either the intel/nvidia drivers or the modesetting ones in tweak other. Both should give a working display.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:21 am
by IoannisTsoulos
I have switched to intel drives from MX apps.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Jul 04, 2024 6:30 am
by j2mcgreg
IoannisTsoulos wrote: Thu Jul 04, 2024 6:21 am
I have switched to intel drives from MX apps.
If it was a driver issue, the graphics card would only work partially or not at all. Instead, you have a 'wake up' problem which points to the screen saver or power manager as the culprit.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Wed Jul 10, 2024 3:42 am
by davidy
Tell me about it. I just tried installing the latest official Intel drivers. They use ubuntu repos so I learned the hard way about linux graphics drivers. Newer is definitely not always better lol.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Wed Jul 10, 2024 4:06 pm
by rokytnji.1
I guess hitting the space bar and logging back in has not been tried yet?
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Fri Aug 16, 2024 4:26 am
by IoannisTsoulos
The problem "solved" by disabling the sleep mode in the monitor.
Of course, this is not a viable solution
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Fri Aug 16, 2024 5:55 am
by j2mcgreg
IoannisTsoulos wrote: Fri Aug 16, 2024 4:26 am
The problem "solved" by disabling the sleep mode in the monitor.
Of course, this is not a viable solution
The solution is to completely uninstall the screensaver and replace it with light-locker.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Fri Aug 16, 2024 5:58 am
by IoannisTsoulos
I will try it. What is the name of the package light-locker?
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Fri Aug 16, 2024 6:02 am
by j2mcgreg
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Tue Aug 20, 2024 12:54 am
by IoannisTsoulos
Light locker does not work. When I started from the command line it gives me the following error:
Gtk-Message: 07:53:53.970: Failed to load module "xapp-gtk3-module"
** (light-locker:2345): ERROR **: 07:53:53.978: session_id is not set, is /proc mounted with hidepid>0?
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 5:13 am
by IoannisTsoulos
The problem remains even with MX 23.5 After 2 hours of screensaver mode the screen went to black and I could not login or use the control + alt + f2 combination to open any console. Any suggestion?
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 6:19 am
by vel178
Wild guess. Check bios if power managment
deep sleep in s4 s5 is enabled. If so disable it.
Deep Sleep
When checked, reduces power consumption while in S3/S4/S5 to extend battery life.
NOTE: Enabling deep sleep disables some wake events such as wake on USB.
default - checked
My HP laptop has deep sleep. It can only be awoken from its slumber by pressing the power button.
It's for a hp, may apply to your problem.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 6:31 am
by IoannisTsoulos
Thank you but it is not a laptop. It is a Dell all in One desktop.
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 6:46 am
by IoannisTsoulos
And here is the full description
Code: Select all
System:
Kernel: 6.12.15-1-liquorix-amd64 [6.12-20~mx23ahs] arch: x86_64 bits: 64 compiler: gcc v: 12.2.0 parameters: audit=0
intel_pstate=disable amd_pstate=disable BOOT_IMAGE=/boot/vmlinuz-6.12.15-1-liquorix-amd64
root=UUID=<filter> ro quiet splash
Desktop: KDE Plasma v: 5.27.5 tk: Qt v: 5.15.8 wm: kwin_x11 vt: 7 dm: SDDM
Distro: MX-23.5_KDE_x64 Libretto September 15 2024 base: Debian GNU/Linux 12 (bookworm)
Machine:
Type: Desktop System: Dell product: OptiPlex 5480 AIO v: N/A serial: <superuser required>
Chassis: type: 13 serial: <superuser required>
Mobo: Dell model: 05T2V2 v: A00 serial: <superuser required> UEFI: Dell v: 1.27.0
date: 11/08/2023
CPU:
Info: model: Intel Core i7-10700T bits: 64 type: MT MCP arch: Comet Lake gen: core 10 level: v3
note: check built: 2020 process: Intel 14nm family: 6 model-id: 0xA5 (165) stepping: 5
microcode: 0xFC
Topology: cpus: 1x cores: 8 tpc: 2 threads: 16 smt: enabled cache: L1: 512 KiB
desc: d-8x32 KiB; i-8x32 KiB L2: 2 MiB desc: 8x256 KiB L3: 16 MiB desc: 1x16 MiB
Speed (MHz): avg: 1389 high: 2001 min/max: 800/2001 boost: enabled scaling:
driver: acpi-cpufreq governor: ondemand cores: 1: 2000 2: 1967 3: 2000 4: 1259 5: 1000 6: 2001
7: 2001 8: 900 9: 1100 10: 800 11: 2001 12: 800 13: 800 14: 2000 15: 800 16: 800
bogomips: 63998
Flags: avx avx2 ht lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
Vulnerabilities:
Type: gather_data_sampling mitigation: Microcode
Type: itlb_multihit status: KVM: Split huge pages
Type: l1tf status: Not affected
Type: mds status: Not affected
Type: meltdown status: Not affected
Type: mmio_stale_data mitigation: Clear CPU buffers; SMT vulnerable
Type: reg_file_data_sampling status: Not affected
Type: retbleed mitigation: Enhanced IBRS
Type: spec_rstack_overflow status: Not affected
Type: spec_store_bypass mitigation: Speculative Store Bypass disabled via prctl
Type: spectre_v1 mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2 mitigation: Enhanced / Automatic IBRS; IBPB: conditional; RSB filling;
PBRSB-eIBRS: SW sequence; BHI: SW loop, KVM: SW loop
Type: srbds mitigation: Microcode
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: Intel CometLake-S GT2 [UHD Graphics 630] vendor: Dell driver: i915 v: kernel
arch: Gen-9.5 process: Intel 14nm built: 2016-20 ports: active: eDP-1 empty: DP-1,HDMI-A-1
bus-ID: 00:02.0 chip-ID: 8086:9bc5 class-ID: 0300
Device-2: Sunplus Innovation Integrated_Webcam_FHD type: USB driver: uvcvideo bus-ID: 1-10:3
chip-ID: 1bcf:2b9b class-ID: 0e02
Display: x11 server: X.Org v: 1.21.1.7 with: Xwayland v: 22.1.9 compositor: kwin_x11 driver: X:
loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915 display-ID: :0 screens: 1
Screen-1: 0 s-res: 1920x1080 s-dpi: 96 s-size: 508x285mm (20.00x11.22") s-diag: 582mm (22.93")
Monitor-1: eDP-1 model: Dell OptiPlex 3280 serial: <filter> built: 2019 res: 1920x1080 hz: 60
dpi: 102 gamma: 1.2 size: 477x268mm (18.78x10.55") diag: 547mm (21.5") ratio: 16:9
modes: 1920x1080
API: OpenGL v: 4.6 Mesa 24.2.2-1~mx23ahs renderer: Mesa Intel UHD Graphics 630 (CML GT2)
direct-render: Yes
Audio:
Device-1: Intel Comet Lake PCH cAVS vendor: Dell driver: snd_hda_intel v: kernel
alternate: snd_soc_avs,snd_sof_pci_intel_cnl bus-ID: 00:1f.3 chip-ID: 8086:06c8 class-ID: 0403
API: ALSA v: k6.12.15-1-liquorix-amd64 status: kernel-api tools: alsamixer,amixer
Server-1: PipeWire v: 1.0.0 status: active with: 1: pipewire-pulse status: active
2: wireplumber status: active 3: pipewire-alsa type: plugin 4: pw-jack type: plugin
tools: pactl,pw-cat,pw-cli,wpctl
Network:
Device-1: Intel Comet Lake PCH CNVi WiFi driver: iwlwifi v: kernel modules: wl bus-ID: 00:14.3
chip-ID: 8086:06f0 class-ID: 0280
IF: wlan0 state: up mac: <filter>
Device-2: Intel Ethernet I219-LM vendor: Dell driver: e1000e v: kernel port: N/A
bus-ID: 00:1f.6 chip-ID: 8086:0d4c class-ID: 0200
IF: eth0 state: down mac: <filter>
Bluetooth:
Device-1: Intel AX201 Bluetooth type: USB driver: btusb v: 0.8 bus-ID: 1-14:4 chip-ID: 8087:0026
class-ID: e001
Report: hciconfig ID: hci0 rfk-id: 1 state: up address: <filter> bt-v: 3.0 lmp-v: 5.2
sub-v: 2184 hci-v: 5.2 rev: 2184
Info: acl-mtu: 1021:4 sco-mtu: 96:6 link-policy: rswitch sniff link-mode: peripheral accept
service-classes: rendering, capturing, object transfer, audio, telephony
Drives:
Local Storage: total: 238.47 GiB used: 106.6 GiB (44.7%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/nvme0n1 maj-min: 259:0 vendor: SK Hynix model: PC611 NVMe 256GB size: 238.47 GiB
block-size: physical: 512 B logical: 512 B speed: 31.6 Gb/s lanes: 4 type: SSD serial: <filter>
rev: 11001111 temp: 44.9 C scheme: GPT
Partition:
ID-1: / raw-size: 238.22 GiB size: 233.43 GiB (97.99%) used: 106.6 GiB (45.7%) fs: ext4
dev: /dev/nvme0n1p2 maj-min: 259:2
ID-2: /boot/efi raw-size: 256 MiB size: 252 MiB (98.46%) used: 274 KiB (0.1%) fs: vfat
dev: /dev/nvme0n1p1 maj-min: 259:1
Swap:
Kernel: swappiness: 15 (default 60) cache-pressure: 100 (default)
ID-1: swap-1 type: file size: 4 GiB used: 0 KiB (0.0%) priority: -2 file: /swap/swap
Sensors:
System Temperatures: cpu: 63.0 C pch: 45.0 C mobo: 45.0 C
Fan Speeds (RPM): cpu: 1968 fan-2: 1888
Repos:
Packages: pm: dpkg pkgs: 3319 libs: 1742 tools: apt,apt-get,aptitude,nala,synaptic pm: rpm
pkgs: 0 pm: flatpak pkgs: 0
No active apt repos in: /etc/apt/sources.list
Active apt repos in: /etc/apt/sources.list.d/brave-browser-release.list
1: deb [arch=amd64 signed-by=/usr/share/keyrings/brave-browser-archive-keyring.gpg] https://brave-browser-apt-release.s3.brave.com/ stable main
Active apt repos in: /etc/apt/sources.list.d/debian-stable-updates.list
1: deb http://deb.debian.org/debian bookworm-updates main contrib non-free non-free-firmware
Active apt repos in: /etc/apt/sources.list.d/debian.list
1: deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
2: deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
Active apt repos in: /etc/apt/sources.list.d/google-earth-pro.list
1: deb [arch=amd64] http://dl.google.com/linux/earth/deb/ stable main
No active apt repos in: /etc/apt/sources.list.d/insync.list
Active apt repos in: /etc/apt/sources.list.d/jami-main.list
1: deb https://dl.jami.net/nightly/debian_12 jami main
Active apt repos in: /etc/apt/sources.list.d/microsoft-edge.list
1: deb [arch=amd64] https://packages.microsoft.com/repos/edge/ stable main
Active apt repos in: /etc/apt/sources.list.d/mx.list
1: deb http://ftp.cc.uoc.gr/mirrors/linux/mx/mx/repo/ bookworm main non-free
2: deb http://ftp.cc.uoc.gr/mirrors/linux/mx/mx/repo/ bookworm ahs
No active apt repos in: /etc/apt/sources.list.d/skype-stable.list
Active apt repos in: /etc/apt/sources.list.d/vscode.list
1: deb [arch=amd64,arm64,armhf] https://packages.microsoft.com/repos/code stable main
Info:
Processes: 389 Uptime: 2h 0m wakeups: 1 Memory: 15.32 GiB used: 5.49 GiB (35.8%) Init: SysVinit
v: 3.06 runlevel: 5 default: graphical tool: systemctl Compilers: gcc: 12.2.0 alt: 12
Client: shell wrapper v: 5.2.15-release inxi: 3.3.26
Boot Mode: UEFI
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 8:04 am
by vel178
Not checking possible solutions also a way to do it. Same setting also present in other types of pc
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 9:05 am
by IoannisTsoulos
What do you suggest to solve it?
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Thu Feb 27, 2025 2:59 pm
by FullScale4Me
In the KDE app 'Settings' under 'Power Management', there are several settings and scenarios to consider. Also, there is, by KDE standards a fairly good help file linked to the '? Help' button.
As a fellow Dell owner, I have also found most Linux distros' linking of screen and session treatments problematic. I have found separating session/system and screen beneficial.
Under 'Power Management' the sub-menu 'Activity Power Settings' offers the choice 'Use separate settings' to allow you to alter the power treatment with a much finer degree of control. Particular to note is the options offered under the 'Suspend session' choice.
You may end up not powering everything off during inactivity, but at least you may solve your issue.
HTH
Re: Problem in Dell All in one Optiplex and Mx 23
Posted: Tue Mar 25, 2025 3:46 pm
by IoannisTsoulos
I have done this. The monitor does not go to suspend. Thanks a lot