
FAQ (Frequently Asked Questions)
Q1. What can I do if I cannot access the Internet?
A1. Make sure that all cables are connected properly and securely to the modem.
A2. Contact your ISP to verify the modem is activated. If the modem is not activated, your ISP can
activate it for you.
A3. Make sure that your computer is set to obtain an IP address automatically.
A4. Power cycle the modem by unplugging the power connector from the modem and plugging
in the power connector again
A5. Reset the modem. Please refer to FAQ > Q4 for instructions.
A6. Contact TP-LINK’s Technical Support if the problem persists.
Q2. What can I do if the login page of the modem’s web interface
does not appear?
A1. Check if the computer is set to a static address. If so, change the setting to obtain an IP address
automatically.
A2. Make sure http://192.168.100.1 is correctly entered in the web browser.
A3. Use another web browser.
A4. Unplug and reconnect both ends of the Ethernet cable.
Q3. What can I do if I forget the password of the modem’s web
interface?
A. Refer to FAQ > Q4 to reset the modem, and then log into the web interface at
http://192.168.100.1 to set a new password.
Q4. How do I restore the modem to its factory default settings?
A1. With the modem powered on, press and hold the Reset button on the rear panel of the
modem for about 5 seconds until all LEDs turn on momentarily, then release the button.
A2. Log in to the web management page of the modem. Go to Advanced > System Tools > Reset,
and click Reset. The modem will restore and reboot automatically.
LED Indicators
LED Status Indication
(LAN)
(Internet)
(Downstream)
(Upstream)
(Power) The modem is powered o.
The modem is powered on.
The initialization is not started, or has failed.
The modem is synchronized with one channel.
The modem is synchronized with more than one channel.
The modem is scanning for downstream channels.
The initialization is not started, or has failed.
The modem is synchronized with one channel.
The modem is synchronized with more than one channel.
The modem is scanning for upstream channels.
Internet service is not available.
Internet service is available.
The modem is initializing.
The LAN port is not connected.
The LAN port is connected.
O
On
O
White
Green
Flashing
O
White
Green
Flashing
O
On
Flashing
O
On
The product should be connected to cable distribution system that grounded (earthed) in
accordance with ANSI/NFPA 70, the National Electrical Code (NEC), in particular Section
820.93 - Grounding of Outer Conductive Shield of a Coaxial Cable.
Safety Information
©2016 TP-LINK
Reset Button
Press & Hold for 5 seconds
Cable
Power
LAN
Reset