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- Re: Dual band card for HP 15-ac109nc

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11-26-2020 07:18 AM
Hi, Petr:
That model has a BIOS whitelist which prevents a person from installing any other card that did not come with the notebook.
If you want to experiment, you can try upgrading to this model card...it's not very expensive.
Realtek RTL8821CE 802.11 ac 1x1 WiFi + Bluetooth 4.2 Combo Adapter (MU-MIMO supported) HP part # L17365-005.
You can find this model on eBay, or Ali Express.
https://www.ebay.com/sch/i.html?_from=R40&_nkw=L17365-005&_sacat=0&_sop=15
Below is the link to the service manual...
http://h10032.www1.hp.com/ctg/Manual/c04653884
The card worked for another forum member who has a 250 G4, which shares the same service manual as yours and uses the same BIOS.