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I bought a new laptop (Lenovo legion G5) I installed windows & ubuntu in dual boot. On windows side my wireless adapter work as well, but on Ubuntu I got this message : No wifi adapter found.

I tried many solutions, I found this one wich is very similar to my laptop specs, but unfortunately when I execute this command :

cd rtw89 && make && sudo make install

I got an error message :

cp: cannot stat 'rtl8852au*.bin': No such file or directory

sudo lshw -C network

  *-network
   description: Ethernet interface
   product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:03:00.0
   logical name: eno1
   version: 15
   serial: 90:2e:16:35:2a:ee
   size: 1Gbit/s
   capacity: 1Gbit/s
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
   configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=5.11.0-41-generic duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.1.13 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
   resources: irq:32 ioport:2000(size=256) memory:d1704000-d1704fff memory:d1700000-d1703fff

*-network UNCLAIMED
   description: Network controller
   product: Realtek Semiconductor Co., Ltd.
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:04:00.0
   version: 00
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress cap_list
   configuration: latency=0
   resources: ioport:1000(size=256) memory:d1600000-d16fffff

lspci -v | grep -i network

04:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8852

Result of dmesg -t

Arthaiir
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1 Answers1

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Please add these steps to your process and report the result:

sudo mkdir /usr/lib/firmware/rtw89
sudo cp  rtw8852a_fw.bin  /usr/lib/firmware/rtw89/
sudo modprobe rtw89pci
chili555
  • 60,188
  • modprobe: ERROR: could not insert 'rtw89pci': Invalid argument I added the result of dmesg -t command in my post – Arthaiir Dec 02 '21 at 21:48
  • Ah, haa! You have a probably conflicting driver loaded. Please do: sudo apt purge bcmwl-kernel-source, reboot and show me a new dmesg. – chili555 Dec 02 '21 at 21:57
  • Result here Got same result from sudo modprobe rtw89pci command – Arthaiir Dec 02 '21 at 22:13
  • With the ethernet connected, try: cd rtw89 and: make clean and: git pull and: make finally: sudo make install Any improvement after a reboot? Reference: https://github.com/lwfinger/rtw89/issues/76 – chili555 Dec 02 '21 at 22:44
  • I have followed your steps : here. Now when I sudo make install I have this message Install rtw89 SUCCESS After a reboot my wifi still does not work. Command sudo modprobe rtw89pci return this error message modprobe: ERROR: could not insert 'rtw89pci': Invalid argument – Arthaiir Dec 03 '21 at 08:44
  • Result of sudo dmesg | grep rtw – Arthaiir Dec 03 '21 at 09:01