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Sony VPCSA4EGX Wifi
A lot of newer wireless adapters are simply plug and play, which means you simply plug it into a USB port and the OS will install the drivers on its own. It will be easier to buy a new USB adapter and just plug it in, than to replace any built-in adapter your laptop may have. The WiFi in your laptop, if so equipped, uses an adapter in order to talk to your home router. Finding a WiFi adapter is easy because all you need to know is what OS you are running on your laptop.
Key clues to watch for in a bad wireless internet adapter
- Your WiFi signal disconnects itself throughout the day
- The wireless adapter driver suddenly shows as uninstalled
- The wireless adapter on your laptop is unable to connect to the internet
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