When I connect the dock to my system, my internal Wi-Fi adapter stops working or suffers from poor performance. Why is this happening?

There are several factors that can cause this to happen, along with several potential fixes.


Option One move the device as far as away from the system as the USB cable will allow. This will try and movethe signals from both the USB connection and the Wi-Fi physically further apart. As a corollary to this, if the dock is located very close to the Wi-Fi router itself placing more distance between the two can help.


Option Two switch to a different USB port on the system, preferably one on the opposite side of the laptop. This employs the same approach as option one, in that physically separating the two signals (in this case the physical proximity of the USB connection and the internal Wi-Fi antennas in your system) can help. If your system has both USB 3.0 and USB 2.0 ports, try using the USB 2.0 port first.


Option Three use a USB 2.0 cable, like one used connect to a USB printer, instead of a USB 3.0 cable. All USB 3.0 devices should be backward compatible with a USB 2.0 cable, and when a device is connected at USB 2.0 speeds there is no possibility for the interference.


Option Four switch to using a 5Ghz Wi-Fi connection. As the name implies, there are two common sets of frequencies used by most Wi-Fi networks (2.4GHz and 5GHz). If both your wireless router and the wireless network adapter in your system support a 5GHz connection (they both need to, one is not enough), connecting to your Wi-Fi in that manner will prevent the interference from happening due to the two very different frequencies in use.


Option Five if using a 5GHz connection is not possible, changing the channelof a 2.4 GHz connection can help. Within the 2.4Ghz band used for Wi-Fi, there are eleven different channels each using a slightly different frequency. The three most commonly used ones in the United States are channel 1, 6 and 11. Using the manual for your wireless router as a guide, switching channels can potentially help. Ideally you would want to switch the channel to the opposite end of the spectrum for the best results, for example if you are on channel one already try switching to channel eleven or vice-versa

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