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Dell Latitude D400 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. Buying a USB wireless adapter is quick and painless because the only thing you have to know is what OS you are running on your Dell Latitude D400. WiFi, or wireless internet, makes use of a wireless adapter to send and receive signals to and from your home network. Most new Wifi adapters are plug-n-play, which just means that you only need to put the adapter into an available USB port and the system will install the drivers automatically.
Key indicators that my onboard WiFi is on its last leg?
- The wireless signal goes in and out all the time
- The WiFi adapter driver gives errors when installing
- The wireless adapter in your Dell laptop is unable to connect to the internet
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