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Sony VPCCB22FX Wifi
It is cheaper and easier to purchase 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, uses an adapter to communicate with your wireless router or modem. Finding a WiFi adapter is easy due to the fact that all you need to know beforehand is what OS you are running on your laptop. Most USB wireless adapters are plug-n-play, in that you just plug it in the USB port and the OS will handle everything from there.
Major warnings of an ailing wireless internet adapter
- The wireless adapter driver suddenly shows as uninstalled
- The wireless adapter on your laptop does not connect at all
- Your WiFi signal goes in and out over and over again
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