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Sony PCG-812 Wifi
You are better off buying a new USB adapter and install it, than it is to replace any type of OEM adapter you might have. The WiFi in your laptop, if so equipped, uses an adapter to communicate with your wireless router or modem. Finding a WiFi adapter is easy because all you need to know is the operating system that is installed on your laptop. Most new Wifi 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.
Major signs of a defective WiFi adapter
- The WiFi adapter driver cannot be installed
- The wireless adapter on your laptop will not connect to your router anymore
- Your wireless internet connection disconnects itself during the day
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