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NetworkManager problems in Ubuntu Dapper/Edgy
Both Jennifer and I have had a problem with our laptops for a long time where wireless does not always get reinitialized when our computers come back from standby. On Friday, we ran into this same problem with a work laptop. All three are Dells, but they are very different machines: a 3-year-old Inspiron 5150, a new-ish Inspiron 9400 (my baby), and a brand new Latitude D620. In every case, this little script helps:
#!/bin/bash # Pick the right kernel module for the hardware here sudo rmmod ipw3945 sudo modprobe ipw3945 ieee80211 killall nm-applet nohup nm-applet 2>&1 > /dev/null &
This solves two different problems. First, sometimes the wireless fails to show up as wireless - that’s what removing and reinstalling the kernel module does. Secondly, even when the wireless interface is available, sometimes the NetworkManager applet drops the ball and won’t recognize it. A restart of the applet fixes that problem. Hopefully someone else will find this little script useful too.
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April 4th, 2007 20:02
Awesome job with this fix…just used this against Edgy 2.6.17-11 on a Toshiba A135-4467 with the Intel Pro 3945ABG Wireless chipset!