USB Wifi cant find device

hohanyo · 2017-01-22 18:30:36

Hi, i just switched to ARCH, and im trying to get working my USB Wifi. It is a TP-link TL-WN821N v5. Didnt managed even to install the driver.

Last edited by hohanyo (2017-01-22 18:31:07)

loqs · 2017-01-22 18:41:18

Welcome to the arch linux forums hohanyo.
Please include the commands you used and their outputs. If you have not attempted any configuration I suggest starting with.
Wireless_network_configuration#Check_the_driver_status

ewaller · 2017-01-22 18:43:24

Welcome to the Arch Linux forums.

Are you sure that model number is correct? Not missing an '8' ?
What driver did you try to install? How?
What is the output of lsusb ?
What is the output of ip link ?

hohanyo · 2017-01-22 19:03:08

@loqs the rusult of the lspci -k:

00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor DRAM Controller (rev 09)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: ivb_uncore
        Kernel modules: ie31200_edac
00:01.0 PCI bridge: Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor PCI Express Root Port (rev 09)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB xHCI Host Controller (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset Family MEI Controller #1 (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: mei_me
        Kernel modules: mei_me
00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #2 (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: ehci-pci
        Kernel modules: ehci_pci
00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High Definition Audio Controller (rev 04)
        Subsystem: ASUSTeK Computer Inc. Device 8436
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
00:1c.0 PCI bridge: Intel Corporation 7 Series/C216 Chipset Family PCI Express Root Port 1 (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:1c.6 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 7 (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:1c.7 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 8 (rev c4)
        Kernel driver in use: pcieport
        Kernel modules: shpchp
00:1d.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB Enhanced Host Controller #1 (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: ehci-pci
        Kernel modules: ehci_pci
00:1f.0 ISA bridge: Intel Corporation Z77 Express Chipset LPC Controller (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: lpc_ich
        Kernel modules: lpc_ich
00:1f.2 SATA controller: Intel Corporation 7 Series/C210 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: ahci
        Kernel modules: ahci
00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller (rev 04)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801
01:00.0 VGA compatible controller: NVIDIA Corporation GK104 [GeForce GTX 670] (rev a1)
        Subsystem: ZOTAC International (MCO) Ltd. Device 2255
        Kernel driver in use: nvidia
        Kernel modules: nouveau, nvidia_drm, nvidia
01:00.1 Audio device: NVIDIA Corporation GK104 HDMI Audio Controller (rev a1)
        Subsystem: ZOTAC International (MCO) Ltd. Device 2255
        Kernel driver in use: snd_hda_intel
        Kernel modules: snd_hda_intel
03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 09)
        Subsystem: ASUSTeK Computer Inc. P8 series motherboard
        Kernel driver in use: r8169
        Kernel modules: r8169
04:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller
        Subsystem: ASUSTeK Computer Inc. P8B WS Motherboard
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci
05:00.0 SATA controller: ASMedia Technology Inc. ASM1062 Serial ATA Controller (rev 01)
        Subsystem: ASUSTeK Computer Inc. Device 84b7
        Kernel driver in use: ahci
        Kernel modules: ahci

@ewaller
the model is right you cand it here: https://wikidevi.com/wiki/List_of_Wi-Fi … s_in_Linux
i tried to install the kernel module dkms-rtl8xxxu which belongs to this model, it stated its allrdy installed.

lsusb

Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 005 Device 002: ID 1a81:2203 Holtek Semiconductor, Inc. Laser Gaming mouse
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 003: ID 0738:1708 Mad Catz, Inc. 
Bus 003 Device 002: ID 04f2:0402 Chicony Electronics Co., Ltd Genius LuxeMate i200 Keyboard
Bus 003 Device 004: ID 2357:0107  
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

iplink

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether

loqs · 2017-01-22 19:18:12

From Wireless_network_configuration#Check_the_driver_status

to check if the driver for your card has been loaded, check the output of the lspci -k or lsusb -v command, depending on if the card is connected by PCI(e) or USB.

The provided example below that was for a pci device but as your device is usb would expected you to run lsusb -v
Also from the note below that

$ dmesg | grep usbcore

Then using the driver identified by that command (substituting the correct driver name instead of driver)

$ dmesg | grep driver

ewaller · 2017-01-22 19:44:40

Well, the lspci output was interesting, we can see you have a wired Realtek interface and that it is using the r8169 driver. We can also see there is no other wireless WiFi on the pci bus.
According to your link, that device has a VID:PID of 0bda:818b. There is nothing in the output of lsusb like that. Looking at the descriptions, there is nothing that looks like a WiFi USB device, with the possible exception of 2357:0107 , for which there is no description. A little searching shows that VID:PID is a rtl8192eu . Try this thread and see if this helps: https://bbs.archlinux.org/viewtopic.php?id=219909 or https://bbs.archlinux.org/viewtopic.php?id=194658

Shpitzick · 2017-01-27 16:08:41

Hey, I'm in the exact same problem. In the process I installed https://github.com/pvaret/rtl8192cu-fixes and https://github.com/jeremyb31/rtl8192eu-linux-driver. Any ideas?

EDIT: Alright I somehow made it work. I just tried accessing my WiFi network as if it were a hidden network. After filling out the details it successfully connected and started listing other networks around me too. :?

Last edited by Shpitzick (2017-01-27 16:13:38)

Arch Linux

#1 2017-01-22 18:30:36

USB Wifi cant find device

#2 2017-01-22 18:41:18

Re: USB Wifi cant find device

#3 2017-01-22 18:43:24

Re: USB Wifi cant find device

#4 2017-01-22 19:03:08

Re: USB Wifi cant find device

#5 2017-01-22 19:18:12

Re: USB Wifi cant find device

#6 2017-01-22 19:44:40

Re: USB Wifi cant find device

#7 2017-01-27 16:08:41

Re: USB Wifi cant find device

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