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Sony PCG-FXA48 Wifi
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. The WiFi in your laptop, if so equipped, uses a piece of hardware in order to talk to your router. Searching for a new adapter is simple because the only thing you have to know is the operating system that is installed on your Sony PCG-FXA48. Most USB wireless adapters are simply plug and play, which just means that you only need to put the adapter into an available USB port and the OS will handle everything from there.
Some warnings your wireless internet adapter should need replacing
- The wireless signal goes in and out during the day
- The WiFi adapter in your Sony laptop will not connect to your router anymore
- The wireless adapter driver shows it as not installed
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