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Sony PCG-931A Wifi
You are better off buying 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 an adapter in order to talk to your router and modem. Most USB wireless adapters are plug-n-play, in that you just plug it in the USB port and the operating system will take care of the rest. Finding a WiFi adapter is easy because the only thing you have to know is the current operating system on your Sony PCG-931A.
Major clues your internal WiFi should need replacing
- The wireless signal goes out randomly all the time
- Your WiFi on your laptop cannot see the SSID coming from your router
- The wireless adapter driver suddenly shows as uninstalled
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