I have done a clean installation of Ubuntu 14.04.1 LTS in a Toshiba A100 Laptop. However the Wireless card doesn't seem to work out-of-the-box. It does seem to connect to the network but that is it. I can hardly ping my default gateway. Any help would be appreciated. Thank you.

my output of some commands:

lsmod | grep iw

iwl3945                63619  0 
iwlegacy               88016  1 iwl3945
mac80211              546051  2 iwl3945,iwlegacy
cfg80211              409394  3 iwl3945,iwlegacy,mac80211

rfkill list all

0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no
1: hci0: Bluetooth
Soft blocked: no
Hard blocked: no

dmesg | grep iw

[   11.258665] iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, in-tree:s
[   11.258670] iwl3945: Copyright(c) 2003-2011 Intel Corporation
[   11.258733] iwl3945 0000:05:00.0: can't disable ASPM; OS doesn't have ASPM control
[   11.317397] iwl3945 0000:05:00.0: Tunable channels: 13 802.11bg, 23 802.11a channels
[   11.317404] iwl3945 0000:05:00.0: Detected Intel Wireless WiFi Link 3945ABG
[   11.317489] iwl3945 0000:05:00.0: irq 44 for MSI/MSI-X
[   11.518293] ieee80211 phy0: Selected rate control algorithm 'iwl-3945-rs'
[   23.523343] iwl3945 0000:05:00.0: loaded firmware version

Here is a link to someone with the same problem and the solution that worked: Ubuntu Forums

Copy/paste of the relevant answer:

sudo rm /etc/modprobe.d/ipwraw

sudo rm /etc/modprobe.d/iwl3945

sudo rm /etc/modprobe.d/iwlwifi.conf

sudo gedit /etc/modprobe.d/iwl3945.conf

Add a single line:
options iwl3945 swcrypto=0
| improve this answer | |
  • Well i tried that and when I rebooted it started connecting to the wireless network and after a few seconds it says disconnected. Tried it a couple of times and same result. – Santi Nov 19 '14 at 14:02
  • I tried adding the lines in /etc/modprobe.d/iwl3945.conf: alias wlan0 iwl3045 and options iwl3945 disable_hw_scan=1 hwcrypto=1 as suggested in another post. However this only got my connection working, but the speed was between 0,5 - 1 Mbps. When its supposed to be aroung 30Mbps via wifi. Any suggestions? – Santi Nov 19 '14 at 15:09

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