I updated my Toshiba Satalite M-55 laptop with Lubuntu 14.04 but after update I have super slow or no WiFi. This is what I have when I type $ iwconfig:
iwconfig
wlan0 IEEE 802.11bg ESSID:"gogetter"
Mode:Managed Frequency:2.462 GHz Access Point: 00:25:9C:D9:FC:74
Bit Rate=11 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=70/70 Signal level=-38 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:3 Invalid misc:169 Missed beacon:0
lo no wireless extensions.
eth0 no wireless extensions.
But lspci sees this:
lspci
00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC410 Host Bridge (rev 01)
00:01.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Bridge [int gfx]
00:04.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] RC4xx/RS4xx PCI Express Port 1
00:13.0 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 USB Host Controller (rev 80)
00:13.1 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 USB Host Controller (rev 80)
00:13.2 USB controller: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 USB2 Host Controller (rev 80)
00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 SMBus Controller (rev 81)
00:14.1 IDE interface: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 IDE Controller (rev 80)
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 PCI-ISA Bridge (rev 80)
00:14.4 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB4x0 PCI-PCI Bridge (rev 80)
00:14.5 Multimedia audio controller: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB400 AC'97 Audio Controller (rev 80)
00:14.6 Modem: Advanced Micro Devices, Inc. [AMD/ATI] IXP SB400 AC'97 Modem Controller (rev 80)
01:05.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] RC410M [Mobility Radeon Xpress 200M]
04:02.0 Ethernet controller: Qualcomm Atheros AR2413/AR2414 Wireless Network Adapter [AR5005G(S) 802.11bg] (rev 01)
04:04.0 CardBus bridge: ENE Technology Inc CB1410 Cardbus Controller (rev 01)
04:06.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8100/8101L/8139 PCI Fast Ethernet Adapter (rev 10)
It was working fine with Zubuntu 12.04. Can you please help? Thanks!