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Sony PCG-F540K Wifi
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. Finding a WiFi adapter is easy due to the fact that all you need to know beforehand is the current operating system on your laptop. WiFi, or wireless internet, uses a piece of hardware in order to talk to your router. It is cheaper and easier to purchase a new USB adapter and just plug it in, than to replace any built-in adapter your laptop may have.
Elements of an unhealthy onboard WiFi
- The wireless adapter in your Sony laptop cannot see the SSID coming from your router
- The wireless adapter driver gives errors when installing
- The WiFi goes in and out every day
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