Trying to get a realtek rtl8811au wifi adapter to work [SOLVED]

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david0858v1
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Trying to get a realtek rtl8811au wifi adapter to work [SOLVED]

Post by david0858v1 »

and not having any luck. I'm about three pages of Google in (including two or three things here) and am not having any luck getting anything to work. I've tried several things and no luck so far. I have two of these adapters and would like to get them to work.

Code: Select all

System:
  Host: HP800G3 Kernel: 5.4.0-121-generic x86_64 bits: 64 compiler: gcc 
  v: 9.4.0 
  parameters: BOOT_IMAGE=/vmlinuz-5.4.0-121-generic 
  root=/dev/mapper/vgmint-root ro quiet splash 
  Desktop: MATE 1.26.0 info: mate-panel wm: marco 1.26.0 dm: LightDM 1.30.0 
  Distro: Linux Mint 20.3 Una base: Ubuntu 20.04 focal 
Machine:
  Type: Desktop System: HP product: HP EliteDesk 800 G3 TWR v: N/A 
  serial: <superuser/root required> Chassis: type: 3 
  serial: <superuser/root required> 
  Mobo: HP model: 8298 v: KBC Version 06.21 
  serial: <superuser/root required> UEFI: HP v: P01 Ver. 02.15 
  date: 01/30/2018 
Battery:
  Device-1: hidpp_battery_0 model: Logitech Wireless Keyboard K360 
  serial: 4004-c6-ea-7e-58 charge: 100% (should be ignored) 
  rechargeable: yes status: Discharging 
CPU:
  Topology: Quad Core model: Intel Core i5-6400 bits: 64 type: MCP 
  arch: Skylake-S family: 6 model-id: 5E (94) stepping: 3 microcode: F0 
  L2 cache: 6144 KiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx 
  bogomips: 21599 
  Speed: 900 MHz min/max: 800/3300 MHz Core speeds (MHz): 1: 899 2: 900 
  3: 900 4: 900 
  Vulnerabilities: Type: itlb_multihit status: KVM: Vulnerable 
  Type: l1tf mitigation: PTE Inversion 
  Type: mds mitigation: Clear CPU buffers; SMT disabled 
  Type: meltdown mitigation: PTI 
  Type: mmio_stale_data mitigation: Clear CPU buffers; SMT disabled 
  Type: spec_store_bypass 
  mitigation: Speculative Store Bypass disabled via prctl and seccomp 
  Type: spectre_v1 
  mitigation: usercopy/swapgs barriers and __user pointer sanitization 
  Type: spectre_v2 mitigation: Retpolines, IBPB: conditional, IBRS_FW, 
  STIBP: disabled, RSB filling 
  Type: srbds mitigation: Microcode 
  Type: tsx_async_abort status: Not affected 
Graphics:
  Device-1: Intel HD Graphics 530 vendor: Hewlett-Packard driver: i915 
  v: kernel bus ID: 00:02.0 chip ID: 8086:1912 
  Display: x11 server: X.Org 1.20.13 driver: modesetting 
  unloaded: fbdev,vesa compositor: marco v: 1.26.0 
  resolution: 1920x1080~60Hz, 1920x1080~60Hz 
  OpenGL: renderer: Mesa Intel HD Graphics 530 (SKL GT2) v: 4.6 Mesa 21.2.6 
  direct render: Yes 
Audio:
  Device-1: Intel 200 Series PCH HD Audio vendor: Hewlett-Packard 
  driver: snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:a2f0 
  Sound Server: ALSA v: k5.4.0-121-generic 
Network:
  Device-1: Intel Ethernet I219-LM vendor: Hewlett-Packard driver: e1000e 
  v: 3.2.6-k port: efa0 bus ID: 00:1f.6 chip ID: 8086:15e3 
  IF: eno1 state: up speed: 1000 Mbps duplex: full mac: 18:60:24:81:cb:e1 
  Device-2: Realtek 802.11ac WLAN Adapter type: USB driver: usb-network 
  bus ID: 1-2:7 chip ID: 0bda:0811 serial: 00e04c000001 
Drives:
  Local Storage: total: 1.38 TiB used: 92.97 GiB (6.6%) 
  SMART Message: Required tool smartctl not installed. Check --recommends 
  ID-1: /dev/sda vendor: SanDisk model: SD8SB8U512G1002 size: 476.94 GiB 
  block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s 
  serial: 163940423202 rev: 1002 temp: 27 C scheme: GPT 
  ID-2: /dev/sdb vendor: Toshiba model: DT01ACA100 size: 931.51 GiB 
  block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s 
  rotation: 7200 rpm serial: 86ORZKPNS rev: A7L0 temp: 31 C scheme: GPT 
Partition:
  ID-1: / raw size: 474.75 GiB size: 466.30 GiB (98.22%) 
  used: 92.76 GiB (19.9%) fs: ext4 dev: /dev/dm-1 
  ID-2: /boot raw size: 732.0 MiB size: 704.5 MiB (96.24%) 
  used: 212.0 MiB (30.1%) fs: ext4 dev: /dev/sda2 
  ID-3: swap-1 size: 980.0 MiB used: 0 KiB (0.0%) fs: swap 
  swappiness: 60 (default) cache pressure: 100 (default) dev: /dev/dm-2 
Sensors:
  System Temperatures: cpu: 27.0 C mobo: N/A 
  Fan Speeds (RPM): N/A 
Info:
  Processes: 232 Uptime: 16m Memory: 15.52 GiB used: 1.99 GiB (12.8%) 
  Init: systemd v: 245 runlevel: 5 Compilers: gcc: 9.4.0 alt: 9 Shell: bash 
  v: 5.0.17 running in: mate-terminal inxi: 3.0.38
Last edited by LockBot on Fri Jan 06, 2023 11:00 pm, edited 2 times in total.
Reason: Topic automatically closed 6 months after creation. New replies are no longer allowed.
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david0858v1
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Posts: 42
Joined: Tue Jun 07, 2022 12:03 pm

Re: Trying to get a realtek rtl8811au wifi adapter to work

Post by david0858v1 »

I've tried everything in this thread with no luck.

viewtopic.php?t=361977

I don't think the two key numbers worked though as they reported unchanged.
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sleeper12
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Posts: 14609
Joined: Thu May 25, 2017 3:22 pm

Re: Trying to get a realtek rtl8811au wifi adapter to work

Post by sleeper12 »

Try, one line at a time:

Code: Select all

sudo apt install git
git clone https://github.com/morrownr/8821au-20210708.git
sudo dkms add ./8821au-20210708
sudo dkms install rtl8821au/5.12.5.2
Reboot
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david0858v1
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Posts: 42
Joined: Tue Jun 07, 2022 12:03 pm

Re: Trying to get a realtek rtl8811au wifi adapter to work

Post by david0858v1 »

sleeper12 wrote: ⤴Wed Jul 06, 2022 1:53 pm Try, one line at a time:

Code: Select all

sudo apt install git
git clone https://github.com/morrownr/8821au-20210708.git
sudo dkms add ./8821au-20210708
sudo dkms install rtl8821au/5.12.5.2
Reboot
That did it. Thanks. Who knows what all crap I have on this computer now, though as I've tried numerous things. :-)
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