Sony PCG-R505ELK - Manual (Page 205)

I cannot access the Internet.
 Check the Access Point settings. Refer to the instructions supplied with the Access Point.
 Check if your computer and the Access Point are connected to one another.
 Check the access point settings. Refer to the instructions supplied with the access point.
 Move your computer away from obstructions or closer to any access point you may be using.
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