Two days ago, I face this problem connecting to my home Wi-Fi, which previously never give me any problem. The Wi-Fi modem is located at the 1st floor, and there is no connection problem at the ground floor living room, kitchen table, and most part of my house. But the problem happen 2 days ago is I cannot access the Wi-Fi at my ground floor living room. Windows 7 netbook keep giving the message “unable to connect to selected Wi-Fi”, and when I bring that netbook to the 1st floor, the connection can be made easily. It is something like the signal of the Wi-Fi modem suddenly become very weak that the signal cannot reach ground floor.
The 1st thing I try is, I readjust the antenna of the Wi-Fi modem hoping that it could give better wireless signal. But that doesn’t solve the problem. Then I login to the Wi-Fi setting page to look for any configuration that I can change to improve the signal strength.
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