Chapter 7: Troubleshooting | 103
N300 Wireless Gigabit ADSL2+ Modem Router DGN3500 User Manual
If the power LED is still red 1 minute after power up:
• T
urn the power off and on to see if the router recovers.
• Clear t
he router’s configuration to factory defaults. This sets the router’s IP address to
192.168.0.1. This procedure is explained in Using the Wireless On/Off and WPS
Buttons to Reset the Router on
page 111.
If the error persists, you might have a hardware problem and should contact Technical
Su
pport.
LAN or ADSL Port LED Is Not On
If either the LAN LEDs or ADSL Link LED does not light when the Ethernet connection is
made, check the following:
• Make
sure that the Ethernet cable connections are secure at the router and at the hub or
workstation.
• Make sure tha
t power is turned on to the connected hub or workstation.
• Be su
re you are using the correct cable: when connecting the ADSL port, use the cable
that was supplied with the wireless modem router. If the ADSL link LED is still off, this
may mean that there is no ADSL service or the cable connected to the ADSL port is bad.
Window Appears Asking You to Reload Firmware
If a window appears with a message asking you to reload the firmware, this indicates that a
problem has been detected with the current firmware. Please follow the on-screen
instructions to access new firmware and reload the firmware into your router.
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