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Sony VGN-AW390 Wifi
Most new Wifi adapters are plug-n-play, in that you just plug it in the USB port and the OS will install the drivers on its own. It is cheaper and easier to purchase a new wireless USB adapter and install it, than to replace any built-in adapter your laptop may have. Searching for a new adapter is simple because the only thing you have to know is the current operating system on your laptop. The WiFi in your laptop, if so equipped, uses an adapter to communicate with your router and modem.
Hints of a poorly performing onboard WiFi
- Your WiFi on your laptop will not connect to your router anymore
- The wireless signal disconnects and reconnects all the time
- The wireless adapter driver gives errors when installing
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