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P-334U/P-335U User’s Guide
Chapter 24 Troubleshooting 231
CHAPTER 24
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
24.1 Problems Starting Up the ZyXEL Device
Table 83 Troubleshooting Starting Up Your ZyXEL Device
PROBLEM CORRECTIVE ACTION
None of the
LEDs turn on
when I turn on
the ZyXEL
Device.
Make sure that the ZyXEL Device’s power adaptor is connected to the ZyXEL Device
and plugged in to an appropriate power source. Make sure that the ZyXEL Device and
the power source are both turned on.
Turn the ZyXEL Device off and on.
If the error persists, you may have a hardware problem. In this case, you should
contact your vendor.
24.2 Problems with the LAN
Table 84 Troubleshooting the LAN
PROBLEM CORRECTIVE ACTION
The LAN LEDs
do not turn on.
Check your Ethernet cable connections (refer to the Quick Start Guide for details).
Check for faulty Ethernet cables.
Make sure your computer’s Ethernet Card is working properly.
I cannot access
the ZyXEL
Device from the
LAN.
If Any IP is disabled, make sure that the IP address and the subnet mask of the
ZyXEL Device and your computer(s) are on the same subnet.