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I just moved house and our new house doesnt have ethernet ports in the walls so I needed to install a wireless card into my xubuntu file server running 16.04 lts AMDx64

I'm currently connected using a usb wireless dongle @ 150mbps

Wireless card: TP-Link TL-WN851N (Wireless N 300mbps)

I managed to get it to recognise an unclaimed network using

sudo lshw -C network

*-network UNCLAIMED
   description: Network controller
   product: Tul Corporation / PowerColor
   vendor: Tul Corporation / PowerColor
   physical id: 6
   bus info: pci@0000:01:06.0
   version: 01
   width: 32 bits
   clock: 66MHz
   capabilities: pm bus_master cap_list
   configuration: latency=64
   resources: memory:fbaf0000-fbafffff

I cant find the Ath9k driver and my backports are enabled.

rfkill list all

Gives no results

Can someone please help me.

  • 1
    Could you give the result of lsusb and sudo iw dev? if your USB device as an atheros chipset it requires ath9k_htc (ath9k is for internal cards). The driver is present by default, it should work out of the box... – kcdtv Jan 17 '18 at 11:19
  • I believe it is a PCI device. Please edit your question to add the result of the terminal commands: lspci -nnk | grep 0280 -A3 and also: sudo modprobe ath9k – chili555 Jan 17 '18 at 15:39
  • Ups... You are right chili555: it is a PCI device, not an USB device. So the lsusub command given before is not useful; the lspci command you gave is the one relevant here. – kcdtv Jan 17 '18 at 19:12
  • ##### lspci ############################# 01:06.0 Network controller [0280]: Tul Corporation / PowerColor Device [148c:0029] (rev 01) Subsystem: Tul Corporation / PowerColor Device [148c:2091] 02:00.0 RAID bus controller [0104]: Adaptec Series 8 12G SAS/PCIe 3 [9005:028d] (rev 01) 04:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 01) Subsystem: ASUSTeK Computer Inc. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [1043:8385] Kernel driver in use: r8169 – Ben Heininger Jan 20 '18 at 12:40
  • it is a PCI device and I cant remember the code but i couldnt find Ath9k driver on my machine – Ben Heininger Jan 20 '18 at 12:41
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So according to WifiDocs

Tested on Ubuntu 11.04 Due to a kernel/driver issue, download rate is slow (max 300kiB/s with 802.11g) and slower than upload. Installing wireless-compat didn't help

I suspect this card doesnt work with Xubuntu at all.

Looks like I need to buy a new Wifi card!

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