Weak Wifi signal strength
After reinstalling ubntu12.04 on dell vostro1500, wi-fi signal strength is weak. After removing bcmwl-kernal-source my wifi started working though, but its too weak. I did tried a few suggestions but no success.
wlan0 IEEE 802.11bg ESSID:"Patanjali"
Mode:Managed Frequency:2.462 GHz Access Point: xx:xx:xx:xx:xx:xx
Bit Rate=54 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Link Quality=51/70 Signal level=-59 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:406 Invalid misc:691 Missed beacon:0
lo no wireless extensions.
eth0 no wireless extensions.
Thank you for help.
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