Fix wlan0 Not Showing Up for MEDIATEK Corp. MT7630e on Ubuntu 14.04

14.04wireless

here is what when I type ifconfig

eth0      Link encap:Ethernet  HWaddr a0:48:1c:0a:47:f3  
          inet addr:192.168.25.186  Bcast:192.168.25.255  Mask:255.255.255.0
          inet6 addr: fe80::a248:1cff:fe0a:47f3/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:41528 errors:0 dropped:0 overruns:0 frame:0
          TX packets:16348 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:23075826 (23.0 MB)  TX bytes:2128515 (2.1 MB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:1951 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1951 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:189033 (189.0 KB)  TX bytes:189033 (189.0 KB)

on typing lspci -nnk

00:00.0 Host bridge [0600]: Intel Corporation Haswell-ULT DRAM Controller [8086:0a04] (rev 09)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
00:02.0 VGA compatible controller [0300]: Intel Corporation Haswell-ULT Integrated Graphics Controller [8086:0a16] (rev 09)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: i915
00:03.0 Audio device [0403]: Intel Corporation Haswell-ULT HD Audio Controller [8086:0a0c] (rev 09)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: snd_hda_intel
00:14.0 USB controller [0c03]: Intel Corporation Lynx Point-LP USB xHCI HC [8086:9c31] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: xhci_hcd
00:16.0 Communication controller [0780]: Intel Corporation Lynx Point-LP HECI #0 [8086:9c3a] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: mei_me
00:1b.0 Audio device [0403]: Intel Corporation Lynx Point-LP HD Audio Controller [8086:9c20] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation Lynx Point-LP PCI Express Root Port 1 [8086:9c10] (rev e4)
    Kernel driver in use: pcieport
00:1c.1 PCI bridge [0604]: Intel Corporation Lynx Point-LP PCI Express Root Port 2 [8086:9c12] (rev e4)
    Kernel driver in use: pcieport
00:1c.2 PCI bridge [0604]: Intel Corporation Lynx Point-LP PCI Express Root Port 3 [8086:9c14] (rev e4)
    Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation Lynx Point-LP PCI Express Root Port 4 [8086:9c16] (rev e4)
    Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation Lynx Point-LP PCI Express Root Port 5 [8086:9c18] (rev e4)
    Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation Lynx Point-LP USB EHCI #1 [8086:9c26] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation Lynx Point-LP LPC Controller [8086:9c43] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode] [8086:9c03] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: ahci
00:1f.3 SMBus [0c05]: Intel Corporation Lynx Point-LP SMBus Controller [8086:9c22] (rev 04)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
08:00.0 Network controller [0280]: MEDIATEK Corp. MT7630e 802.11bgn Wireless Network Adapter [14c3:7630]
    Subsystem: Hewlett-Packard Company Device [103c:197c]
09:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 08)
    Subsystem: Hewlett-Packard Company Device [103c:2164]
    Kernel driver in use: r8169
0a:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] Sun XT [Radeon HD 8670A/8670M/8690M] [1002:6660] (rev ff)
    Kernel driver in use: radeon

Best Answer

It is a known issue and there are instructions to install manually a driver at https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1220146/comments/125

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