Unable to change display settings & No Wi-Fi


Jan 18, 2024
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Hi again, So installation was a success. Now I have 2 issues:

The first issue is in regards to monitors. I currently have 2 external monitors (Both Dell E198s) hooked up to a Dell Dock thats hooked to my Dell XPS Laptop. Both are 1440 x 900 Screen Resolution. Both are hooked to VGA except that one of them is hooked to an HDMI adaptor thats hooked to an hdmi port. The other one is hooked directly to the VGA port. Both screens are showing but duplicated and i want them extended. I am unable to change the display settings for some unknown reason.

The 2nd issue is in regards to no Wi-Fi. I am able to connect to ethernet yes but i would like to connect to wi-fi.

In relation to the wifi issue, the wireless module on the Dell XPS 15 9530 appears to be: Intel AX211, according to:

The relevant driver is: iwlwifi, and it is usually in the linux kernel, with later updated versions of the driver in later kernels. It's best to have the latest version possible on the system.

The intel firmware is also needed and is usually in the package: linux-firmware.

I assume the wifi adapter is built in on the pci bus so this command should show the device, and what the driver and modules are, if loaded, or not:
lspci -vnn -d ::0280
linux-firmware? is that already loaded in the system or do i have to download it?
this is what i get when i put the code in

00:14.3 Network controller [0280]: Intel Corporation Device [8086:51f1] (rev 01)
Subsystem: Intel Corporation Device [8086:4090]
Flags: fast devsel, IRQ 255, IOMMU group 12
Memory at 61871a4000 (64-bit, non-prefetchable) [disabled] [size=16K]
Capabilities: [c8] Power Management version 3
Capabilities: [d0] MSI: Enable- Count=1/1 Maskable- 64bit+
Capabilities: [40] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [80] MSI-X: Enable- Count=16 Masked-
Capabilities: [100] Latency Tolerance Reporting
Capabilities: [164] Vendor Specific Information: ID=0010 Rev=0 Len=014 <?>
If things were in order the command, as user rather than root, would produce output like the following:
[tom@min ~/notes]$ lspci -vnn -d ::0280
00:14.3 Network controller [0280]: Intel Corporation Device [8086:7a70] (rev 11)
        Subsystem: Intel Corporation Device [8086:0094]
        Flags: bus master, fast devsel, latency 0, IRQ 18, IOMMU group 4
        Memory at 400a114000 (64-bit, non-prefetchable) [size=16K]
        Capabilities: <access denied>
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi

The output in post #4 shows no driver and no modules, which explains the wifi failure.

On what appears to be the same machine as yours, a solution was found here:
which was to update the kernel to 6.2. Secure boot has to be disabled too.

To check what firmware is installed on your system run:
dpkg -l | grep -i firmware

You will need the linux firmware which includes the iwlwifi firmware, whatever it is called in mint. In debian it's called: firmware-iwlwifi, but in mint I can't say currently. You need to check the latest package names.

To see if your system has noted any missing firmware, you can run, a root:
dmesg | grep -i firmware

Whatever the output says is missing in relation to wifi will need to be installed to get wifi up.

If you put the exact output of commands that you run in code tags, it would be helpful for the readers to see just what is being reported.
00:14.3 Network controller [0280]: Intel Corporation Device [8086:51f1] (rev 01)
Subsystem: Intel Corporation Device [8086:4090]
Flags: fast devsel, IRQ 255, IOMMU group 12
Memory at 61871a4000 (64-bit, non-prefetchable) [disabled] [size=16K]
Capabilities: <access denied>
1st code:
ii amd64-microcode 3.20191218.1ubuntu2.2 amd64 Processor microcode firmware for AMD CPUs
ii firmware-sof-signed 2.0-1ubuntu4.4 all Intel SOF firmware - signed
ii fwupd 1.7.9-1~22.04.3 amd64 Firmware update daemon
ii fwupd-signed 1.51.1~22.04.1+1.4-0ubuntu0.1 amd64 Linux Firmware Updater EFI signed binary
ii intel-microcode 3.20231114.0ubuntu0.22.04.1 amd64 Processor microcode firmware for Intel CPUs
ii libfwupd2:amd64 1.7.9-1~22.04.3 amd64 Firmware update daemon library
ii libfwupdplugin5:amd64 1.7.9-1~22.04.3 amd64 Firmware update daemon plugin library
ii linux-firmware 20220329.git681281e4-0ubuntu3.24 all Firmware for Linux kernel drivers

2nd code:
[ 5.540826] Bluetooth: hci0: Minimum firmware build 1 week 10 2014
[ 5.542756] Bluetooth: hci0: Found device firmware: intel/ibt-0040-0041.sfi
[ 7.683744] Bluetooth: hci0: Waiting for firmware download to complete
[ 7.683815] Bluetooth: hci0: Firmware loaded in 2090875 usecs
[ 7.706813] Bluetooth: hci0: Firmware timestamp 2023.24 buildtype 1 build 67068
Brilliant news !!
After Updating the kernal as commanded in the forum in regards to that, these changes occured

-it restarted normally (not via force shutdown)
-monitor issue addressed
-wi-fi issue addressed
I had to do the same thing. Seems fairly common.
Your display problem....

right click on desktop

select display settings

select join displays.
all updates applied ?

If so, a Timeshift snapshot will preserve that state for you. Save snapshots to an external drive is a good idea.
That will do the job.

I only keep 4 daily snapshots.

My reasoning is that is all I need

The Timeshift app will automatically delete the first one each time it adds the fourth.

$ days is more than enough time for me to realise that I have a problem wiht the system that requites shifting it back a day or so

Be aware that Timeshift is not a complete backup system....but it iwll save your hide if something goes wrong or if you screw up the system somehow.

Timeshift will establish its own folder when you start setting it up and choose the location for the snapshots to be stored.

Need any help, just ask

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