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Alienware M17X R4 Wifi
A lot of newer wireless adapters are plug-n-play, which just means that you only need to put the adapter into an available USB port and the operating system will take care of the rest. Searching for a new adapter is simple because all you need to know is what OS you are running on your laptop. It is cheaper and easier to purchase a common WiFi USB adapter and just plug it in, than it is to replace any type of OEM adapter you might have. The WiFi in your laptop, if so equipped, makes use of a wireless adapter in order to connect to your home network.
Some warnings of an ailing WiFi adapter
- The WiFi adapter driver suddenly shows as uninstalled
- The WiFi adapter on your laptop is unable to connect to the internet
- Your WiFi signal has trouble connecting all the time
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