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Intel 3945 Wifi Card Problem Easy Troubleshoot in Ubuntu 10.10

Recently just change my mind to switch back OS to pure Ubuntu (not its derivative).
I've been using Mint version of Ubuntu derivative for 2 years.
Gradually move with upgrade from Mint 5, Mint 8 to Mint 9 (KDE).

Last upgrade (Mint 9 KDE) was to 64 Bit version about 8 months ago.

Today just upgrade to 10.10 Ubuntu and find out that I couldn't access office wireless network.

After googling, I find out a simple solution from this links

So just type this in your terminal:
sudo rfkill unblock wifi


Type 'dmesg | grep iwl' to see the result that should inform something like this:
iwl3945 0000:07:00.0: loaded firmware version 15.32.2.9

And of course available Wifi Network now should appear in Network Manager applet drop down.

See picture below for more verbose outcome.



After this then I'll applied PAE Kernel to utilized unused 1 GB RAM in my laptop, since 32-bit linux without PAE can only used maximum 3 GB of RAM (mine is 4 GB),... hehehe I'm back to 32-bit world again,... and it's still same old hardware I've got back from 2007 as I blog it here.
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