MSI Delta 15 and Fedora 36

incedis

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I am running Fedora 36 on my new rig. Delta 15 Full AMD. Its running smooth as butter. I have one issue. Hesitated to post as I think I have I have gone back and forth trying to find a solution but to no avail.
Keyboard backlighting is stuck at full blast. Fn key just for the keyboard backlight is not working. On this laptop, its Fn+F8. Shortcuts for the display backlight and sound work.
When I had the laptop running Win11, I had to install MSI Center to make the Fn+F8 keyboard backlit shortcut work. Even then, it did not work very well. It was hit and miss. Before switching to Linux, I turned it off in the MSI Center entirely. It stuck for about a week and came back to life.
I tried the usual acpi in GRUB but to no avail. Checked the logs for any hints, nothing. Updated BIOS and looked for a solution within the BIOS to turn off the keyboard backlit but nothing.
Do you know of anything that could simply turn off once in for all the keyboard backlit ?
I am to the point, if no software solution is available, I might just take it apart and unplug something to turn it off. Taking it apart is not a pb for me, but finding the right cable might be :)
 
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Brickwizard

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Am I right in assuming it's a new Lappy? , I don't know if this will work for keyboard lights, but it can often fix other minor problems.
Switch on, then hold the power key down for 60 seconds, this will force a BIOS re-boot
 
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incedis

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Thanks for your reply.
Yes u r correct. Broke mine. Actually my cat did. It would have cost as much to fix it than buying a new one. So deciced to go for the MSI Delta 15 mainly due to Full AMD. Tired of Intel BS.
Sorry to not have mentionned that but I have done so many steps that I kind of forgot. I did a BIOS reboot and even an EC reboot.
Yesterday discovered that my BIOS has a hidden menue but nothing that relates to the keyboard backlit (at least did not find any). Positive is, with this hidden menu, I can now control the fan directly from the BIOS :) (I guess silver linning)..
What I would like to understand, when running win11, I turned off the keyboard backlit through MSI Center. I could never get the Fn+F8 to work even when it was running windows. I had to install MSI Center and then access a module called "Mystic Light". Is it fair to say that MSI Center adds drivers to control the backlit ? Is it accessing something hidden somewhere in the laptop on the PCB ? I turned it off, installed Fedora and only after a couple of days (including reboot, BIOS reboot, EC) the keyboard backlit came back to life. It makes me think its probably in the BIOS somewhere ?
 

Brickwizard

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Try looking under Battery in the Bios
 

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Positive is, with this hidden menu, I can now control the fan directly from the BIOS :) (I guess silver linning)..
What I would like to understand, when running win11, I turned off the keyboard backlit through MSI Center. I could never get the Fn+F8 to work even when it was running windows.
I know little of windows, and I have never had an MSI product across my bench [probably not popular in the UK] but whilst searching for a fix, I did notice a lot of people have had similar problems with windows, and the MSI controls.
 
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incedis

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Nothing under battery. The hidden BIOS is extremely complicated with a lot of options. Went through it a couple of times but could not find any option pertaining to the keyboard backlit. I am not really good at this and all those options are above my paygrade so probably missed it. I am pretty sure the keyboard backlit is controlled in the BIOS for this specific MSI Model.
 
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incedis

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I have found some data about the MLB in the Delta 15 using RGB keyboard backlit.
Just to confirm, is he saying the keyboard backlit is attached via usb ?
There are a lot of options in the BIIOS regarding USB. If that is the case I will check them one by one and see if I can switch off the backlit there ?
 

Brickwizard

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The components in computers come in two basic types, those which connect to the motherboard by the USB bus [microphone, speakers, camera, and so on] and those connected by the PCI [hi speed bus] [graphics, ram, some high speed SSD's etc]
so you will not be looking for a physical USB connection, but a USB controller for the lights
 
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incedis

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No dice there. Went back into the BIOS and searched for a USB controller but nothing. There are a lot of other options regarding but none I can comprehend. A bit scared of changing anything and not having my rig boot after.
I have never seen so much options to customize the MLB in a BIOS..
 
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