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17 

Note 

T4.  What can I do if I cannot access the Internet? 

1) 

Check to see if all the connectors are connected well, including the telephone 
line, Ethernet cables and power adapter. 

2) 

Check to see if you can log on to the web management page of the Modem 
Router. If you can, try the following steps. If you cannot, please set your 
computer referring to 

T3

 then try to see if you can access the internet. If you 

still cannot access the internet, please go to the next step. 

3) 

Consult your ISP and make sure all the VPI/VCI, Connection Type, account 
username and password are correct. If there are any mistakes, please correct 
the settings and try again. 

4) 

If you still cannot access the Internet, please restore your Modem Router to its 
factory default settings and reconfigure your Modem Router by following the 
instructions of this QIG. 

5) 

Please feel free to contact our Technical Support if the problem still persists. 

 

 

 

 

For more details about Troubleshooting and Technical Support contact 
information, please log on to our Technical Support Website: 

http://www.tp-link.com/en/support 

Summary of Contents for TD-8840T

Page 1: ...ADSL port of the Modem Router to the wall jack using the telephone line directly Note Installation Note Please use only wired network connections to configure the Modem Router Connect the splitter to...

Page 2: ...onnectors power adapter phone line and Ethernet cable are well connected to your device With the phone line well connected if the ADSL LED turns off after a quick flash please contact your ISP to ensu...

Page 3: ...CD ROM drive The Setup Wizard will automatically pop up on your computer s screen Then a flash video will pop up and show you how to connect your devices After that the Easy Setup Assistant will start...

Page 4: ...orget the password A dialog box will prompt you for the User name and Password Enter the default values and click OK Note The web management page will display after a successful login Open your web br...

Page 5: ...e Internet access in this mode Note Click Next Click Next Click Next Note If you did not get the VPI VCI and WAN Type information please contact your ISP for this information Choose the WAN Type given...

Page 6: ...e and have not completed your DSL provider s online registration you may be using a generic username and password When registration is completed you will need to update the username and password if yo...

Page 7: ...he following page will be displayed Now your Modem Router has been configured Click Finish Save page will be displayed Please confirm all parameters Click Previous to modify or click the Save button t...

Page 8: ...What can I do if I cannot access the Internet in the Troubleshooting guide on page 14 For the advanced configurations please refer to the User Guide on the Resource CD provided The above configuration...

Page 9: ...ion T1 2 Use the default user name and password admin admin 3 Try to configure your Modem Router once again by following the instructions in the previous steps of the QIG T3 What can I do if I cannot...

Page 10: ...10 Click Network Connections Right click Local Area Connection Click Properties Double click Internet Protocol TCP IP...

Page 11: ...11 Select Obtain DNS server address automatically Click OK Click OK Select Obtain an IP address automatically...

Page 12: ...12 For Windows Vista OS Go to Start Settings Control Panel and then you will see the following page Click View network status and tasks Click View status Click Properties...

Page 13: ...13 Double click Internet Protocol Version 4 TCP IPv4 Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK...

Page 14: ...Windows 7 OS Go to Start Settings Control Panel and then you will see the following page Right click Local Area Connection Click Properties Click View network status and tasks Click Change adapter se...

Page 15: ...15 Select Obtain an IP address automatically Select Obtain DNS server address automatically Click OK Double click Internet Protocol Version 4 TCP IPv4...

Page 16: ...e configuration page please restore your Modem Router s factory default settings and reconfigure your Modem Router following the instructions of this QIG Please feel free to contact our Technical Supp...

Page 17: ...et please go to the next step 3 Consult your ISP and make sure all the VPI VCI Connection Type account username and password are correct If there are any mistakes please correct the settings and try a...

Page 18: ...ederation Switzerland Tel 41 0 848 800998 German Service E mail support ch tp link com Fee 4 8 Rp min depending on rate of different time Service time Monday to Friday 9 00 AM to 6 00 PM GMT 1 or GMT...

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