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Dell Latitude E5420M Wifi
You are better off buying a common WiFi USB adapter and install it, than to replace any built-in adapter your laptop may have. Most new Wifi adapters are simply plug and play, in that you just plug it in the USB port and the operating system will take care of the rest. Buying a wireless adapter is quite easy due to the fact that all you need to know beforehand is the current operating system on your Dell laptop. WiFi, or wireless internet, uses an adapter to communicate with your router.
Major symptoms of a weakening WiFi adapter
- Your wireless internet connection disconnects and reconnects all the time
- The wireless adapter driver suddenly shows as uninstalled
- Your WiFi on your laptop is unable to connect to the internet
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