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WIFI loses connection contantly (new laptop)

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KoperTin

Hi There, I just received my new creative laptop and it replaces my Purism laptop. Installing my preferences is easy, but my wifi connection constantly stops and after a while it connects again. It makes installing my software  difficult. The settings are the same as my Purism laptop and there the connection is perfect. It looks like this is a hardware problem?

Creative
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Antonio Jesús Clicktic
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Hola @KoperTin,

Con un Live-USB también falla ¿?

Saludos!

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KoperTin
Mejor respuesta

I do get a connection with my build in WIFI, that came with the laptop, but it stops constantly and then searches for a network and than it finds it again and then looses it again. I btw do not have a usb wifi.


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Antonio Jesús Clicktic
Mejor respuesta

Hola, mi recomendación es que pruebes desde un LiveUSB, y si tampoco funciona, entonces deberías de abrir un ticket para tramitar la garantía de la tarjeta WiFi.

https://slimbook.com/support

https://slimbook.com/blog/tutoriales-2/post/live-usb-de-linux-que-es-y-para-que-sirve-423

https://slimbook.com/blog/tutoriales-2/post/como-instalar-slimbook-os-24-424

Saludos!!

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Eusebio Giner Slimbook
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Good morning Koper,

I'm sorry to hear that you are having problems with the WiFi. I think your Creative is running Debian 12 and kernel 6.12, would it be possible to try with testing repositories? It is possible that the WiFi driver is not quite stable on this version.
Try also, as Antonio told you, with a Slimbook OS Live USB.

https://slimbook.com/en/blog/guides-2/post/linux-live-usb-what-is-it-and-what-is-it-used-for-423

Best regards,

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KoperTin
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@Eusebio, thanks for your answer and help. I have asked ChatGPT what he could find regarding this issue and He suggested to update the kernel. Next there was missing firmware for instance of the nvdia card which is now also updated. It is working!

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Eusebio Giner Slimbook
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Perfect! I'm glad it's working for you.
Best regards,

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KoperTin
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Thanks and I need 3 karma points to close this post and then I have 10 karma points to close this topic.


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Eusebio Giner Slimbook
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Don't worry, there is no need to close anything.
We leave it like this in case more customers want to see it.
Best regards,

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xavi
Mejor respuesta

Similar issuie here with Slimbook Creative laptop.

Summary

After updating to kernel 6.12.17-1-MANJARO, the WiFi stopped working.  The issue was resolved by rolling back to kernel 6.6 LTS.

System Information

  • Device: Slimbook laptop
  • WiFi Card: MediaTek mt7921e
  • Working Kernel: 6.6.80-1-MANJARO
  • Broken Kernel: 6.12.17-1-MANJARO
  • Distro: Manjaro (fully updated)

Error Messages in Kernel 6.12

After booting into kernel 6.12, dmesg showed the following errors:

mt7921e 0000:04:00.0: Unable to change power state from D3cold to D0, device inaccessible
mt7921e 0000:04:00.0: driver own failed
mt7921e 0000:04:00.0: probe with driver mt7921e failed with error -5

Troubleshooting Attempts

Tried manually reloading the module:

sudo modprobe -r mt7921e
sudo modprobe mt7921e

No effect (same errors in dmesg).

Checked power state of the PCI device:

cat /sys/bus/pci/devices/0000:04:00.0/power_state

→ It was stuck in D3cold, meaning the device could not wake up.

Tried forcing the power state:

echo on | sudo tee /sys/bus/pci/devices/0000:04:00.0/power/control

No effect.

Tried rescaning PCI devices:

echo 1 | sudo tee /sys/bus/pci/rescan

No effect.

Checked for rfkill blocks:

rfkill list

No soft/hard blocks found.

Tried disabling ASPM (Active State Power Management):

echo "options mt7921e disable_aspm=1" | sudo tee /etc/modprobe.d/mt7921e.conf
sudo modprobe -r mt7921e sudo modprobe mt7921e

No effect.

Tried suspending and waking up the laptop:

sudo systemctl suspend

No effect.

Workaround / Solution

Rolling back to kernel 6.6 LTS fixed the issue:

sudo mhwd-kernel -i linux66

After booting into kernel 6.6, the WiFi started working normally.

Possible Cause

It seems that kernel 6.12 introduced a regression in mt7921e. The driver fails to wake the device from D3cold, making it inaccessible.

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Eusebio Giner Slimbook
Mejor respuesta

Good afternoon,
Yes, the same thing has happened to us with Manjaro, it seems that with the new kernel something is not working quite right.
In principle if you reinstall the system seems to remain stable, but if not the solution is to downgrade to kernel 6.6.
Best regards,

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