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Intel Wireless problem with Itlwm


Jazzoo
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Hello! I am using my HP EliteDesk (from the signature) last few months under Big Sur and now Monterey 12.6 equiped with Intel 8260NGW card. Both wifi and bluetooth worked perfectly until yesterday. I didn't change or update anything. Turned on my computer and HeliPort says "itlwm is not running". Fast kext check in terminal shows that the kext is loaded correctly. Both HeliPort and itlwm.kext are updated to the latest versions. Tried older versions - same result. Tried clean Big Sur and Monterey install - same result. Ventura - same result. Bluetooth works. Any help is appreciated. 

 

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EFI 0C 0.8.4

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@Jazzoo Here are some things to check:

  • Antenna's are properly and securely connected (don't force any of the tiny connections - they should snap into place).  Note that the designed life of the antenna connectors on the Wi-Fi card supports only a small number of connect/disconnect before the connections are not as reliable (I think it might be as low as 30 times).  Never force these connections and don't connect/disconnect them unless absolutely necessary
  • Check this issue
  • Wi-Fi card is properly seated on the motherboard
  • Try manually unloading / loading itlwm.kext after booting.  Does the card's behavior change?
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It's more likely a software problem. With AirportItlwm.kext everything works without any problems at the moment. I need more time to test if it's realible in long term. Besides that I already did all the steps mentioned. I installed Windows 11 (with No TPM/Secure Boot check) on a spare SSD and wifi/bt works perfectly. This is really really strange...

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