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Sony PCG-GRX570 Wifi
It is much simpler to buy a new USB adapter and just plug it in, than to replace any built-in adapter your laptop may have. A lot of newer wireless adapters are simply plug and play, in that you just plug it in the USB port and the OS will handle everything from there. Buying a wireless adapter is quite easy because all you need to know is what OS you are running on your laptop. The WiFi in your laptop, if so equipped, makes use of a wireless adapter in order to connect to your router.
Clues to watch for to know the wireless card is in need of replacing
- The wireless signal goes out randomly throughout the day
- The WiFi adapter on your laptop cannot see the SSID coming from your router
- The laptop wireless driver shows it as not installed
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