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Sony PCG-R505JL Wifi
It is cheaper and easier to purchase a common WiFi USB adapter and just plug it in, than to replace any built-in adapter your laptop may have. Most USB wireless adapters are plug-n-play, which means you simply plug it into a USB port and the system will install the drivers automatically. Buying a USB wireless adapter is quick and painless due to the fact that all you need to know beforehand is what OS you are running on your laptop. The WiFi in your laptop, if so equipped, uses a piece of hardware to send and receive signals to and from your router.
General indicators that your the WiFi adapter should need replacing
- The WiFi adapter on your laptop is unable to connect to the internet
- The laptop wireless driver suddenly shows as uninstalled
- The wireless signal goes in and out over and over again
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