Hello!

Something of a frustrating problem here:

I use a Lenovo Y560 laptop with an Intel Wifi Link 1000 BGN network adapter.  I've typically

had little problems connecting to wireless access points until two weeks ago. After a bit of

trial and error I realized that, though the adapter detects all the networks it used to at the same

signal strengths, it's unable to connect to anything that's basically not at full signal strength (pretty

much beside the computer). I've tried re-installing the manufacturer's drivers, installing Intel's drivers

(which for some reason cause the adapter to be shown as an Intel Centrino-N wireless adapter rather

than an Intel Wifi Link 1000), disabling 802.11n mode, disabling the "Allow computer to turn off this

device to save power", ensuring that transmit power is at the highest, roaming is at medium, switched

through channels... nothing. Performance is exactly the same, basically bouncing off access points with

four bars or less of signal strength. I've tested this on APs with Open, WEP, and WPA2 security, reset routers,

etc. Verified the actual adapter, seemed well connected, cables were in place. Any ideas, because it's driving me

a little bit nuts how though the networks are detected, connection's not possible. Thanks!

Hi

Welcome To Lenovo Community

I am suspecting it to be a driver issue only .

You may  try  updating the driver from lenovo website

http://support.lenovo.com/en_US/research/hints-or-tips/detail.page?&DocID=HT072743

Hope This Helps
Cheers!!!

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Hello,

Please do One Key Recovery to restore PC to factory initial state.Let us know the results. 

How to do one key recovery :

Shut Down the computer. Find the one key recovery button on keyboard area and press on it. It should be look like this below. Then you will see windows is loading files , after that you will see OKR environment. Choose One Key Recovery and Make Restore Intial Back up . Before doing steps , you should back up your personal data photos documents etc if they are on C Drive. Your D drive will not effected by initial restore you can back up  if you dont have external storage device. Let me know if there is something not clear.  Number  8  is OKR button shown in picture below.

Regards