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TP-LINK TD-W8901G
Wireless Modem Router
Advanced Troubleshooting Guide
Released on 2009.09.25
Version 1.0

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Summary of Contents for TP-Link TD-W8901G

  • Page 1 TP-LINK TD-W8901G Wireless Modem Router Advanced Troubleshooting Guide Released on 2009.09.25 Version 1.0...
  • Page 2: Table Of Contents

    Q3. Why can’t I open some websites like www.msn.com or it opens very slowly? ..........9 Q4. What can I do if I cannot access the web-based configuration page? ............10 Q5. How to get the technical support from TP-LINK? ..................15 2 / 15...
  • Page 3: Summary

    Summary This document attempts to provide the basic procedures for troubleshooting TD-W8901G modem router problem. Troubleshooting Flow Chart and Resolutions Click the quick links for more details: Check1 Check2 Check3 Note1 Note2 Resolution1 Resolution2 Resolution3 Resolution4 Resolution5 Check 1 1. Make sure that the original power adapter is correctly connected from the modem to the wall socket and it is not damaged;...
  • Page 4: Check 2

    Check 2 The indicator lights on the front panel of the modem router are used to verify the unit’s operation and status between your modem, PC and ISP’s network. The table below describes what the lights mean. Label State Description Resolution (Steady Power On...
  • Page 5: Note 1

    Chrome, Opera or any other web browser), key in 192.168.1.1 in the address bar and press enter. The default username and password are both “admin” (all in lower case). Refer to the following link for more details: http://www.tp-link.com/support/showfaq.asp?id=87 Note 2 1、 Go to Quick Start, select the correct connection type (PPPoE/PPPoA or the others), and then enter your local VPI/VCI value and PPP username\password (provided by your ISP), click Save;...
  • Page 6: Resolution 1

    Refer to the following link for the configuration: http://www.tp-link.com/support/showfaq.asp?id=205 Resolution 2 1. If the customer’s problem is not mentioned by this troubleshooting guide, please send an Email to support@tp-link.com for further assistance. 2. Call local technical support hot line, please refer to Appendix Q5 for details;...
  • Page 7: Resolution 5

    Resolution 5 1、 Go to the Status page, click System Log, and check the log whether reports “PAP: login to remote failed; please check user/pswd” which means the PPP username and password are incorrect. If so, please go through the Quick Start again and enter the correct PPP username/password and VPI/VCI values.
  • Page 8 3、 Check the Access Management – Filter page, check the active URL filter rules, you can remove all the rules or change them to “Active – No” for troubleshooting purpose. 4、 Go to the Interface Setup – Wireless page, make sure that Access Point is Activated, SSID is broadcasted, Authentication is correct or deactivated, Wireless MAC Address Filter is Deactivated 8 / 15...
  • Page 9: Q1. How Do I Restore My Modem Router's Configuration To Its Factory Default Settings

    Appendix - FAQ Q1. How do I restore my modem’s configuration to its factory default settings? With the Router powered on, press and hold the Reset button on the rear panel for 8 to 10 seconds before releasing it. Press it for 8 to 10 seconds Once the Router is reset, the current configuration settings will be lost and you will need to Note re-configure the router.
  • Page 10: Q4. What Can I Do If I Cannot Access The Web-Based Configuration Page

    Q4. What can I do if I cannot access the web-based configuration page? 1) Configure your computer’s IP Address (TCP/IP settings); For Windows XP OS Go to Start > Control Panel, you will then see the following page. Click Network Internet Connections Click Network Connections Right-click...
  • Page 11 Double-click Internet Protocol (TCP/IP) Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK 11 / 15...
  • Page 12 Click OK For Windows Vista OS Go to Start > Settings > Control Panel Click View network status and tasks Click View status 12 / 15...
  • Page 13 Click Properties Double-click Internet Protocol Version 4 (TCP/IPv4). 13 / 15...
  • Page 14 Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK 3) Configure your IE browser Open your Internet Explorer browser, click Tools tab and you will see the following screen. Click Internet Options 14 / 15...
  • Page 15: Q5. How To Get The Technical Support From Tp-Link

    If you still cannot access the configuration page, please restore your modem router’s factory default settings and reconfigure the device again. Q5. How to get the technical support from TP-LINK?  To download the latest Firmware, Driver, Utility and User Guide, please go to www.tp-link.com/support/download.asp...

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