HP 240 G4: Low Wifi Signal-need solutions

My hp 240 g4, he grabs the wrong signal regardless of the router is near lightness of my laptop.very less and poor signal.even it disconnects if I take my laptop to the other House in addition to router.
WiFi adapter: Broadcom 802.11n
Hardware driver problems or weak?

OK, I've updated my driver.it worked

Tags: Notebooks

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