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Sony VPCSA4AGX Wifi
It will be easier to buy a common WiFi USB adapter and install it, than to replace any built-in adapter your laptop may have. Most new Wifi adapters are simply plug and play, which means you simply plug it into a USB port and the operating system will take care of the rest. Buying a wireless adapter is quite easy due to the fact that all you need to know beforehand is what OS you are running on your Sony VPCSA4AGX. The WiFi in your laptop, if so equipped, uses an adapter to send and receive signals to and from your home network.
Major symptoms your internal WiFi is failing
- The WiFi adapter driver shows it as not installed
- Your WiFi signal goes in and out every day
- Your WiFi on your laptop does not connect at all
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