ZyXEL Communications NBG420N - Manual (Page 265)

NBG420N User’s Guide
265
C
H A P T E R
26
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
• NBG420N Access and Login
• Internet Access
• Resetting the NBG420N to Its Factory Defaults
• Wireless Router/AP Troubleshooting
• Advanced Features
26.1 Power, Hardware Connections, and LEDs
V
The NBG420N does not turn on. None of the LEDs turn on.
1 Make sure you are using the power adaptor or cord included with the NBG420N.
2 Make sure the power adaptor or cord is connected to the NBG420N and plugged in to an
appropriate power source. Make sure the power source is turned on.
3 Disconnect and re-connect the power adaptor or cord to the NBG420N.
4 If the problem continues, contact the vendor.
V
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.7 on page 33 .
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Disconnect and re-connect the power adaptor to the NBG420N.
5 If the problem continues, contact the vendor.