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Sony VPCSA4FGX Wifi
It will be easier to buy a new USB adapter and install it, than to replace any built-in adapter your laptop may have. The WiFi in your laptop, if so equipped, makes use of a wireless adapter in order to connect to your home network. Most new Wifi adapters are plug-n-play, which just means that you only need to put the adapter into an available USB port and the operating system will take care of the rest. Buying a USB wireless adapter is quick and painless because the only thing you have to know is the current operating system on your Sony VPCSA4FGX.
Symptoms of a deteriorating wireless card
- The WiFi adapter driver suddenly shows as uninstalled
- Your WiFi in your Sony laptop is unable to find a signal from your router
- Your wireless internet connection disconnects itself every day
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