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Dell OptiPlex GX400 Wifi
It is cheaper and easier to purchase a new wireless USB adapter and just plug it in, than to replace any built-in adapter your desktop may have. A lot of newer wireless adapters are plug-n-play, in that you just plug it in the USB port and the OS will handle everything from there. Buying a wireless adapter is quite easy because all you need to know is the current operating system on your Dell desktop. The WiFi in your desktop, if so equipped, uses a piece of hardware to communicate with your router.
Major symptoms of a failing WiFi adapter
- The WiFi has trouble connecting over and over again
- Your WiFi in your Dell desktop does not connect at all
- The desktop wireless driver gives errors when installing
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