Operation Manual

VMG/XMG Series User’s Guide
369
CHAPTER 43
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The potential problems are
divided into the following categories.
• Power, Hardware Connections, and LEDs
• Zyxel Device Access and Login
• Internet Access
• Wireless Internet Access
• USB Device Connection
• UPnP
43.1 Power, Hardware Connections, and LEDs
The Zyxel Device does not turn on. None of the LEDs turn on.
1 Make sure the Zyxel Device is turned on.
2 Make sure you are using the power adaptor or cord included with the Zyxel Device.
3 Make sure the power adaptor or cord is connected to the Zyxel Device and plugged in to an
appropriate power source. Make sure the power source is turned on.
4 Turn the Zyxel Device off and on.
5 If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section Figure 19 on page 30.
2 Check the hardware connections.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Turn the Zyxel Device off and on.