P-661HNU-Fx User’s Guide
265
CHAPTER 26
Troubleshooting
26.1 Overview
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
26.2 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.
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