Satellite C660 - extremely low WIFI signal strength

I bought a brand new 2 the Satellite C660-7 t and have the following problem:
The strength of the WIFI signal is very bad!

If I am 5 meters from the router, there is a signal strength bar!

On another laptop, I have 5 bars at this distance!
WLAN is unusable...

The problem also occurs if the power supply is connected, is no energy problem.

Installed the latest driver for Atheros, did not help.
Made a recovery of HARD drive, did not help.

Help, please!

Have you checked all the WLAN settings?
Did you compare the settings on another laptop?

If possible can test you with another router?

Tags: Toshiba

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