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Sony VGN-SR240J Wifi
You are better off buying a new wireless USB adapter and install it, than to replace any built-in adapter your laptop may have. WiFi, or wireless internet, uses a piece of hardware to communicate with your router. A lot of newer wireless adapters are plug-n-play, which means you simply plug it into a USB port and the OS will install the drivers on its own. Buying a wireless adapter is quite easy because the only thing you have to know is what OS you are running on your Sony VGN-SR240J.
Major symptoms of a defective onboard WiFi
- The wireless adapter in your Sony laptop will not connect to your router anymore
- The wireless adapter driver suddenly shows as uninstalled
- Your WiFi signal disconnects and reconnects during the day
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