How to verify whether there is a hardware issue of TP-Link DSL Modem Router
Note: Please check the light status according to the Quick Installation Guide at first.
Below we list some common problems you may encounter.
- Confirm whether you have enabled LED control function ( Not all the DSL Modem Router support this feature)
- Change another outlet to plug it
- Hold the reset button/hole to hard reset it according to the QIG
- Ensure that it is the original power adapter
- Change another power adapter also
Conclusion: There is still no LED light on, please email TP-Link Technical Support with the model number, serial number, hardware version and proof of purchase to get a replacement.
https://www.tp-link.com/support/contact-technical-support/#E-mail-Support
- Ensure that there is a phone line provided by ISP to get internet, not an Ethernet cable and ensure that it is plugged into the DSL port
- Remove the splitter
- Change another phone line
- Reset the DSL modem router by holding the reset button/hole per QIG
- Contact the ISP to check the line quality or change another modem to do a comparison analysis.
Conclusion: If the DSL led is still off or flashing, please email TP-Link Technical Support with the model number, serial number, hardware version and proof of purchase to get a replacement.
https://www.tp-link.com/support/contact-technical-support/#E-mail-Support
- Ensure wifi button/switch is turned on if there is one
- Login to the web interface to confirm that the wireless function is enabled
- Hold the reset button/hole to hard reset it according to the QIG
Conclusion: There is still no wireless led on, please email TP-Link Technical Support with the model number, serial number, hardware version and proof of purchase to get a replacement.
https://www.tp-link.com/support/contact-technical-support/#E-mail-Support
- Ensure that there is a device connected to the Ethernet ports
- Change another Ethernet cable
- Change another wired device
Conclusion: Still the same, please email TP-Link Technical Support with the model number, serial number, hardware version and proof of purchase to get a replacement.
https://www.tp-link.com/support/contact-technical-support/#E-mail-Support
- Confirm whether you updated the firmware recently or not and how
- Reset the DSL modem router by holding the reset button/hole as the QIG
- Do a firmware recovery if the DSL modem router supports this feature (You can contact TP-Link technical support to verify it)
Conclusion: If it cannot be fixed, please email TP-Link Technical Support with the model number, serial number, hardware version and proof of purchase to get a replacement.
https://www.tp-link.com/support/contact-technical-support/#E-mail-Support
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