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I have just installed Ubuntu 12.04 LTS along with the standard Windows 7 on my new HP pavillion g6 (AMD).

They both work fine but when I am running Ubuntu, the wifi signal strength shows low (occasionally disconnecting). If I run Windows 7, the signal is always very strong and it never disconnects.

How can that be and is there a fix?

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  • Welcome to Ask Ubuntu! We need more hardware information to help you, can you look at this question and then edit your question adding the information. May 9 '12 at 1:57
  • @Hub, you have to install the wi-fi drivers to get full signal. You can search for additional drivers on dash and then install the driver.
    – Ankit
    Nov 23 '12 at 10:48
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Did you try this?

sudo iwconfig wlan0 power off

(Assuming wlan0 is the wireless interface you're running.)

This may fix the problem. This does not turn off your wireless card; rather, it disables power management for your wireless card. See man iwconfig for details.

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I had the same problem on my HP.

I just changed default Ubuntu wireless driver to Broadcom in "System settings"-> "Software sources" -> "Additional drivers".

Everything works fine for now.

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