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Sony VGN-SR390 Wifi
You are better off buying a new USB adapter and install it, than it is to replace any type of OEM adapter you might have. 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. The WiFi in your laptop, if so equipped, uses an adapter in order to talk to your home network. Buying a wireless adapter is quite easy because all you need to know is what OS you are running on your laptop.
Signs the WiFi adapter will need to be replaced
- The WiFi adapter driver shows it as not installed
- Your WiFi on your laptop will not connect to your router anymore
- The wireless signal disconnects itself every day
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