Chapter 45 Troubleshooting
AX/DX/EX/PX Series User’s Guide
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• Reduce the number of WiFi clients connecting to the same AP simultaneously, or add additional APs if
necessary.
• Try closing some programs that use the Internet, especially peer-to-peer applications. If the WiFi client
is sending or receiving a lot of information, it may have too many programs open that use the
Internet.
• Place the Zyxel Device where there are minimum obstacles (such as walls and ceilings) between the
Zyxel Device and the wireless client. Avoid placing the Zyxel Device inside any type of box that might
block WiFi signals.
45.6 USB Problems
The Zyxel Device fails to detect my USB device.
1 Disconnect the USB device.
2 Reboot the Zyxel Device.
3 If you are connecting a USB hard drive that comes with an external power supply, make sure it is
connected to an appropriate power source that is on.
4 Reconnect your USB device to the Zyxel Device.
45.7 UPnP Problems
My computer cannot detect UPnP settings from the Zyxel Device.
1 Make sure that UPnP is enabled in your computer. For Windows 10, see Section 10.10 on page 228.
2 On the Zyxel Device, make sure that UPnP is enabled on the Network Settings > Home Networking >
UPnP screen. See Section 10.4 on page 221 for details.
3 Disconnect the Ethernet cable from the Zyxel Device’s Ethernet port or from your computer.
4 Reconnect the Ethernet cable.
5 Restart your computer.
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