Wifi kaart niet herkend?

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Nassara:
Na de upgrade van Ubuntu 20.04 wordt mijn Wifi-kaart niet meer herkend. Met kabel werkt internet wel perfect. Hoe kan ik dit verhelepen?

Ik werk met een Lenovo Yoga, dit is mijn systeem:

(Dankjewel!)

System:
Kernel: 5.4.0-48-generic x86_64 bits: 64 compiler: gcc v: 9.3.0
Desktop: Gnome 3.36.4 Distro: Ubuntu 20.04.1 LTS (Focal Fossa)
Machine:
Type: Convertible System: LENOVO product: 81EK v: Lenovo YOGA 530-14IKB
serial: <filter>
Mobo: LENOVO model: LNVNB161216 v: SDK0J40709 WIN serial: <filter>
UEFI: LENOVO v: 7QCN36WW date: 10/16/2018
Battery:
ID-1: BAT0 charge: 32.2 Wh condition: 42.5/45.0 Wh (94%)
model: SMP L17M4PB0 status: Discharging
Memory:
RAM: total: 15.43 GiB used: 3.24 GiB (21.0%)
RAM Report:
permissions: Unable to run dmidecode. Root privileges required.
CPU:
Topology: Quad Core model: Intel Core i7-8550U bits: 64 type: MT MCP
arch: Kaby Lake rev: A L2 cache: 8192 KiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 31999
Speed: 892 MHz min/max: 400/4000 MHz Core speeds (MHz): 1: 973 2: 1127
3: 1178 4: 831 5: 1191 6: 1152 7: 1144 8: 1146
Graphics:
Device-1: Intel UHD Graphics 620 vendor: Lenovo driver: i915 v: kernel
bus ID: 00:02.0
Display: x11 server: X.Org 1.20.8 driver: fbdev unloaded: modesetting,vesa
resolution: 1920x1080~60Hz
OpenGL: renderer: Mesa Intel UHD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.0.8
direct render: Yes
Audio:
Device-1: Intel Sunrise Point-LP HD Audio vendor: Lenovo
driver: snd_hda_intel v: kernel bus ID: 00:1f.3
Sound Server: ALSA v: k5.4.0-48-generic
Network:
Device-1: Realtek RTL8822BE 802.11a/b/g/n/ac WiFi adapter
vendor: Lenovo ThinkPad E595 driver: r8822be v: kernel port: 3000
bus ID: 01:00.0
IF: wlp1s0 state: up mac: <filter>
Drives:
Local Storage: total: 476.94 GiB used: 55.28 GiB (11.6%)
ID-1: /dev/nvme0n1 vendor: Western Digital
model: PC SN520 SDAPMUW-512G-1101 size: 476.94 GiB
Partition:
ID-1: / size: 252.81 GiB used: 55.24 GiB (21.9%) fs: ext4
dev: /dev/nvme0n1p4
ID-2: /boot/efi size: 496.0 MiB used: 32.6 MiB (6.6%) fs: vfat
dev: /dev/nvme0n1p1
ID-3: /home/<filter>/Documenten size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/documenten
ID-4: /home/<filter>/Downloads size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/Downloads
ID-5: /home/<filter>/Downloads/BitTorrents size: 5.42 TiB
used: 3.64 TiB (67.2%) fs: nfs remote: 192.168.1.108:/media/BitTorrent
ID-6: /home/<filter>/Films size: 5.42 TiB used: 3.64 TiB (67.2%) fs: nfs
remote: 192.168.1.108:/Films
ID-7: /home/<filter>/Foto's size: 5.42 TiB used: 3.64 TiB (67.2%) fs: nfs
remote: 192.168.1.108:/media/Pictures
ID-8: /home/<filter>/Geneeskunde size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/geneeskunde
ID-9: /home/<filter>/Gitaar size: 5.42 TiB used: 3.64 TiB (67.2%) fs: nfs
remote: 192.168.1.108:/Gitaar
ID-10: /home/<filter>/Muziek size: 5.42 TiB used: 3.64 TiB (67.2%) fs: nfs
remote: 192.168.1.108:/media/Music
ID-11: /home/<filter>/Playlists size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/media/Playlists
ID-12: /home/<filter>/Recepten size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/Recepten
ID-13: /home/<filter>/Renée size: 5.42 TiB used: 3.64 TiB (67.2%) fs: nfs
remote: 192.168.1.108:/Renee
ID-14: /home/<filter>/Video's size: 5.42 TiB used: 3.64 TiB (67.2%)
fs: nfs remote: 192.168.1.108:/media/Videos
ID-15: /snap/audacity/675 raw size: 113.4 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop0
ID-16: /snap/audacity/699 raw size: 114.8 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop1
ID-17: /snap/core/10126 raw size: 97.7 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop2
ID-18: /snap/core/9993 raw size: 97.1 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop23
ID-19: /snap/core18/1754 raw size: 54.9 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop4
ID-20: /snap/core18/1885 raw size: 55.3 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop5
ID-21: /snap/gimp/292 raw size: 251.0 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop3
ID-22: /snap/gimp/297 raw size: 251.0 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop9
ID-23: /snap/gnome-3-28-1804/128 raw size: 161.4 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop12
ID-24: /snap/gnome-3-28-1804/145 raw size: 162.9 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop8
ID-25: /snap/gnome-3-34-1804/36 raw size: 255.6 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop25
ID-26: /snap/gnome-3-34-1804/60 raw size: 217.9 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop21
ID-27: /snap/gnome-system-monitor/135 raw size: 3.7 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop27
ID-28: /snap/gnome-system-monitor/148 raw size: 2.2 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop6
ID-29: /snap/gtk-common-themes/1474 raw size: 48.3 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop16
ID-30: /snap/gtk-common-themes/1506 raw size: 62.1 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop14
ID-31: /snap/gtk2-common-themes/13 raw size: 140 KiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop7
ID-32: /snap/gtk2-common-themes/9 raw size: 132 KiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop11
ID-33: /snap/gydl/2 raw size: 143.1 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop28
ID-34: /snap/kde-frameworks-5-core18/32 raw size: 260.7 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop24
ID-35: /snap/leafpad/73 raw size: 42.6 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop17
ID-36: /snap/leafpad/79 raw size: 42.6 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop20
ID-37: /snap/scrcpy/254 raw size: 82.9 MiB size: <superuser/root required>
used: <superuser/root required> fs: squashfs dev: /dev/loop26
ID-38: /snap/snap-store/467 raw size: 49.8 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop18
ID-39: /snap/snap-store/481 raw size: 50.7 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop15
ID-40: /snap/spotify/41 raw size: 163.7 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop22
ID-41: /snap/spotify/42 raw size: 169.3 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop13
ID-42: /snap/zoom-client/106 raw size: 144.4 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop19
ID-43: /snap/zoom-client/99 raw size: 144.4 MiB
size: <superuser/root required> used: <superuser/root required>
fs: squashfs dev: /dev/loop10
Sensors:
System Temperatures: cpu: 41.5 C mobo: N/A
Fan Speeds (RPM): N/A
Repos:
Active apt repos in: /etc/apt/sources.list
1: deb http://be.archive.ubuntu.com/ubuntu/ focal main restricted
2: deb http://be.archive.ubuntu.com/ubuntu/ focal-updates main restricted
3: deb http://be.archive.ubuntu.com/ubuntu/ focal universe
4: deb http://be.archive.ubuntu.com/ubuntu/ focal-updates universe
5: deb http://be.archive.ubuntu.com/ubuntu/ focal multiverse
6: deb http://be.archive.ubuntu.com/ubuntu/ focal-updates multiverse
7: deb http://be.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse
8: deb http://security.ubuntu.com/ubuntu focal-security main restricted
9: deb http://security.ubuntu.com/ubuntu focal-security universe
10: deb http://security.ubuntu.com/ubuntu focal-security multiverse
No active apt repos in: /etc/apt/sources.list.d/eid.list
No active apt repos in: /etc/apt/sources.list.d/google-chrome.list
Active apt repos in: /etc/apt/sources.list.d/teams.list
1: deb [arch=amd64] https://packages.microsoft.com/repos/ms-teams stable main
Info:
Processes: 353 Uptime: 11h 38m Init: systemd runlevel: 5 Compilers:
gcc: 9.3.0 Shell: bash v: 5.0.17 inxi: 3.0.38

Pjotr:

--- Citaat van: Nassara op 2020/10/27, 06:47:57 --- Device-1: Realtek RTL8822BE 802.11a/b/g/n/ac WiFi adapter
vendor: Lenovo ThinkPad E595 driver: r8822be v: kernel port: 3000
bus ID: 01:00.0
IF: wlp1s0 state: up mac: <filter>

--- Einde van citaat ---

Vreemd. Hij wordt herkend, heeft een stuurprogramma en is "up"....

Probeer dit eens:
https://makkelijkelinuxtips.blogspot.com/p/realtek.html#ID7
(punt 7)

Nassara:
Nu verschijnt kort het wifi-icoontje, maar ik krijg meteen de melding "activeren van netwerkinstellingen mislukt" en dan verdwijnt het icoontje weer...

Ronaldus:
Zie: https://forums.linuxmint.com/viewtopic.php?t=324341

Powermanagement nog op uit zetten?
Werkt het wel 'out-of-the-box' vanaf ubuntu op een usb-stick?

Nassara:
Power-management uitzetten helpt niet... En ook wanneer ik opstart van de USB-schijf heb ik geen Wifi...
En ik heb stapje #7 uit Pjotr's suggestie uitgevoerd, maar zonder succes....

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