Hallo,
an einem neueren HP-Laptop 17 mit ubuntu 20.04 wird die WLAN-Karte nicht erkannt, ich kann kein WLAN einrichten. Die LAN-Verbindung funktioniert.
Hier ein paar Eingaben zum System:
mascha@mascha-HP-Laptop-17-ca2xxx:~$ sudo lshw -C network [sudo] Passwort für mascha: *-network Beschreibung: Ethernet interface Produkt: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller Hersteller: Realtek Semiconductor Co., Ltd. Physische ID: 0 Bus-Informationen: pci@0000:01:00.0 Logischer Name: eno1 Version: 15 Seriennummer: b0:5c:da:61:2d:ed Kapazität: 1Gbit/s Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress msix bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation Konfiguration: autonegotiation=on broadcast=yes driver=r8169 firmware=rtl8168h-2_0.0.2 02/26/15 latency=0 link=no multicast=yes port=MII Ressourcen: irq:37 ioport:f000(Größe=256) memory:fcf04000-fcf04fff memory:fcf00000-fcf03fff *-network UNGEFORDERT Beschreibung: Network controller Produkt: RTL8821CE 802.11ac PCIe Wireless Network Adapter Hersteller: Realtek Semiconductor Co., Ltd. Physische ID: 0 Bus-Informationen: pci@0000:02:00.0 Version: 00 Breite: 64 bits Takt: 33MHz Fähigkeiten: pm msi pciexpress cap_list Konfiguration: latency=0 Ressourcen: ioport:e000(Größe=256) memory:fce00000-fce0ffff mascha@mascha-HP-Laptop-17-ca2xxx:~$ lspci -v 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Root Complex Subsystem: Hewlett-Packard Company Raven/Raven2 Root Complex Flags: fast devsel 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 IOMMU Subsystem: Hewlett-Packard Company Raven/Raven2 IOMMU Flags: fast devsel, IRQ 25 Capabilities: <access denied> 00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge Flags: fast devsel 00:01.6 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 26 Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 I/O behind bridge: 0000f000-0000ffff [size=4K] Memory behind bridge: fcf00000-fcffffff [size=1M] Prefetchable memory behind bridge: [disabled] Capabilities: <access denied> Kernel driver in use: pcieport 00:01.7 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 PCIe GPP Bridge [6:0] (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 27 Bus: primary=00, secondary=02, subordinate=02, sec-latency=0 I/O behind bridge: 0000e000-0000efff [size=4K] Memory behind bridge: fce00000-fcefffff [size=1M] Prefetchable memory behind bridge: [disabled] Capabilities: <access denied> Kernel driver in use: pcieport 00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 00h-1fh) PCIe Dummy Host Bridge Flags: fast devsel 00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Internal PCIe GPP Bridge 0 to Bus A (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 28 Bus: primary=00, secondary=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000d000-0000dfff [size=4K] Memory behind bridge: fca00000-fccfffff [size=3M] Prefetchable memory behind bridge: 00000000e0000000-00000000f01fffff [size=258M] Capabilities: <access denied> Kernel driver in use: pcieport 00:08.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Internal PCIe GPP Bridge 0 to Bus B (prog-if 00 [Normal decode]) Flags: bus master, fast devsel, latency 0, IRQ 29 Bus: primary=00, secondary=04, subordinate=04, sec-latency=0 I/O behind bridge: [disabled] Memory behind bridge: fcd00000-fcdfffff [size=1M] Prefetchable memory behind bridge: [disabled] Capabilities: <access denied> Kernel driver in use: pcieport 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 61) Subsystem: Hewlett-Packard Company FCH SMBus Controller Flags: 66MHz, medium devsel Kernel driver in use: piix4_smbus Kernel modules: i2c_piix4, sp5100_tco 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51) Subsystem: Hewlett-Packard Company FCH LPC Bridge Flags: bus master, 66MHz, medium devsel, latency 0 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 0 Flags: fast devsel 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 1 Flags: fast devsel 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 2 Flags: fast devsel 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 3 Flags: fast devsel Kernel driver in use: k10temp Kernel modules: k10temp 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 4 Flags: fast devsel 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 5 Flags: fast devsel 00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 6 Flags: fast devsel 00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Raven/Raven2 Device 24: Function 7 Flags: fast devsel 01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 15) DeviceName: Realtek PCIe FE Family Controller Subsystem: Hewlett-Packard Company RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller Flags: bus master, fast devsel, latency 0, IRQ 37 I/O ports at f000 [size=256] Memory at fcf04000 (64-bit, non-prefetchable) [size=4K] Memory at fcf00000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: r8169 Kernel modules: r8169 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter Subsystem: Hewlett-Packard Company RTL8821CE 802.11ac PCIe Wireless Network Adapter Flags: fast devsel, IRQ 255 I/O ports at e000 [disabled] [size=256] Memory at fce00000 (64-bit, non-prefetchable) [disabled] [size=64K] Capabilities: <access denied> Kernel modules: rtl8821ce 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Picasso (rev ce) (prog-if 00 [VGA controller]) DeviceName: Onboard IGD Subsystem: Hewlett-Packard Company Picasso Flags: bus master, fast devsel, latency 0, IRQ 45 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at f0000000 (64-bit, prefetchable) [size=2M] I/O ports at d000 [size=256] Memory at fcc00000 (32-bit, non-prefetchable) [size=512K] Capabilities: <access denied> Kernel driver in use: amdgpu Kernel modules: amdgpu 03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Raven/Raven2/Fenghuang HDMI/DP Audio Controller Subsystem: Hewlett-Packard Company Raven/Raven2/Fenghuang HDMI/DP Audio Controller Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at fccc8000 (32-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel 03:00.2 Encryption controller: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) Platform Security Processor Subsystem: Hewlett-Packard Company Family 17h (Models 10h-1fh) Platform Security Processor Flags: fast devsel, IRQ 255 Memory at fcb00000 (32-bit, non-prefetchable) [disabled] [size=1M] Memory at fcccc000 (32-bit, non-prefetchable) [disabled] [size=8K] Capabilities: <access denied> 03:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Raven2 USB 3.1 (prog-if 30 [XHCI]) Subsystem: Hewlett-Packard Company Raven2 USB 3.1 Flags: bus master, fast devsel, latency 0, IRQ 30 Memory at fca00000 (64-bit, non-prefetchable) [size=1M] Capabilities: <access denied> Kernel driver in use: xhci_hcd 03:00.5 Multimedia controller: Advanced Micro Devices, Inc. [AMD] Raven/Raven2/FireFlight/Renoir Audio Processor Subsystem: Hewlett-Packard Company Raven/Raven2/FireFlight/Renoir Audio Processor Flags: fast devsel, IRQ 42 Memory at fcc80000 (32-bit, non-prefetchable) [size=256K] Capabilities: <access denied> Kernel modules: snd_pci_acp3x, snd_rn_pci_acp3x 03:00.6 Audio device: Advanced Micro Devices, Inc. [AMD] Family 17h (Models 10h-1fh) HD Audio Controller Subsystem: Hewlett-Packard Company Family 17h (Models 10h-1fh) HD Audio Controller Flags: bus master, fast devsel, latency 0, IRQ 43 Memory at fccc0000 (32-bit, non-prefetchable) [size=32K] Capabilities: <access denied> Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel 04:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 61) (prog-if 01 [AHCI 1.0]) Subsystem: Hewlett-Packard Company FCH SATA Controller [AHCI mode] Flags: bus master, fast devsel, latency 0, IRQ 39 Memory at fcd00000 (32-bit, non-prefetchable) [size=2K] Capabilities: <access denied> Kernel driver in use: ahci Kernel modules: ahci -------------------------------------------------- ifconfig eno1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500 inet 192.168.2.117 netmask 255.255.255.0 broadcast 192.168.2.255 inet6 fe80::dadf:8e6e:f699:5653 prefixlen 64 scopeid 0x20<link> inet6 fd91:dab6:a2b2:1:611:ed18:29ff:249b prefixlen 64 scopeid 0x0<global> inet6 fd91:dab6:a2b2:1:3567:f30a:df4e:8b91 prefixlen 64 scopeid 0x0<global> ether b0:5c:da:61:2d:ed txqueuelen 1000 (Ethernet) RX packets 62470 bytes 29034302 (29.0 MB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 30731 bytes 3070329 (3.0 MB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 ::1 prefixlen 128 scopeid 0x10<host> loop txqueuelen 1000 (Lokale Schleife) RX packets 4458 bytes 429665 (429.6 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 4458 bytes 429665 (429.6 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 mascha@mascha-HP-Laptop-17-ca2xxx:~$ lspci | grep Net 02:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac PCIe Wireless Network Adapter mascha@mascha-HP-Laptop-17-ca2xxx:~$ ping 192.168.2.117 -c 5 PING 192.168.2.117 (192.168.2.117) 56(84) Bytes Daten. 64 Bytes von 192.168.2.117: icmp_seq=1 ttl=64 Zeit=0.037 ms 64 Bytes von 192.168.2.117: icmp_seq=2 ttl=64 Zeit=0.056 ms 64 Bytes von 192.168.2.117: icmp_seq=3 ttl=64 Zeit=0.056 ms ping: sendmsg: Das Netzwerk ist nicht erreichbar ping: sendmsg: Das Netzwerk ist nicht erreichbar --- 192.168.2.117 ping statistics --- 5 Pakete übertragen, 3 empfangen, 40% Paketverlust, Zeit 4102ms rtt min/avg/max/mdev = 0.037/0.049/0.056/0.009 ms
Ich bin dann hiernach vorgegangen: https://www.linuxmintusers.de/index.php?PHPSESSID=1ceb952669837eb035a176b52063df0c&topic=51863.msg711403#msg711403
dies wurde durchgeführt:
sudo apt-get install git dkms build-essential git clone https://github.com/tomaspinho/rtl8821ce cd rtl8821ce chmod +x dkms-install.sh chmod +x dkms-remove.sh sudo ./dkms-install.sh
aber bei dieser Eingabe kam eine Fehlermeldung:
mascha@mascha-HP-Laptop-17-ca2xxx:~/rtl8821ce$ sudo modprobe -v 8821ce insmod /lib/modules/5.4.0-48-generic/updates/dkms/8821ce.ko modprobe: ERROR: could not insert '8821ce': Operation not permitted
jetzt weiß ich nicht mehr weiter - hat jemand eine Idee?