Wifi Signal Drop

[coraak]

when the internet speed increase signal strength has dropped to 0

65 mbps Full Signal But suddenly increase 144 mbps and drop 0 after that again 65 mbps Full Signal .

Router Tp link 740w
N mod only
power 100%
20 Ghz Only
channel 1


and my laptop wifi card is broadcom 802.11n and last driver version
power saving mod off
and channel 1

 

[COLGeek]

MERGED QUESTION
Question from coraak : "Wifi internet Speed Drop"

when the internet speed increase signal strength has dropped to 0

65 mbps Full Signal But suddenly increase 144 mbps and drop 0