[系统运维] ThinkBook-16-G4-IAP wifi adapter driver on ubuntu 18.04

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[系统运维]ThinkBook-16-G4-IAP wifi adapter driver on ubuntu 18.04

no wifi adapter found after installing ubutu 18.04

The wifi adapter is RealTek RTL8852BE Wifi 6

Optional: Disable security boot in BIOS By pressing F1 during bootup.

Driver installation:

   sudo apt-get update
   sudo apt-get install make gcc linux-headers-$(uname -r) build-essential git

   git clone https://github.com/HRex39/rtl8852be.git
   cd rtl8852be
   make clean
   make
   sudo make install

After reboot the wifi is available

iffy@iffy-ThinkBook-16-G4-IAP:~$ dmesg | grep rtl
[??? 3.151101] RTW: rtl8852be v1.15.6.0.2-0-gac110bf5.20211029
[??? 3.151148] rtl8852be 0000:2c:00.0: enabling device (0000 -> 0003)
[??? 3.154123] rtl8852be 0000:2c:00.0: Using iommu dma mapping
[??? 3.154124] rtl8852be 0000:2c:00.0: DMAR: 32bit DMA uses non-identity mapping
[??? 3.455967] RTW: [HW-CAP] ic_name:rtl8852b
[??? 3.475691] rtl8852be 0000:2c:00.0 wlp44s0: renamed from wlan0