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I'm running 12.04. Although my wireless connection is performing perfectly well, the Wireless signal strength indicator shows a low signal. Only the bottom bar is illuminated, whereas with Ubuntu 11.10, the indicator was fully lit up.

My wireless card is USB, and lsusb output is:

 Bus 002 Device 004: ID 148f:3072 Ralink Technology, Corp. RT3072 Wireless Adapter 

How can I solve this?

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check signal with wicd, sometimes network-manager say crazy things like this, but I suggest both wicd and network-manager.

sudo apt-get install wicd
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Thanks very much, I'll give that a go. – user56600 Apr 25 '12 at 19:37

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