Chapter 6 Appendix; Appendix 1: Troubleshooting - Tenda D840 User Manual

Appendix 1: Troubleshooting

Trouble Case
Power Indicator
Off
ADSL Off
LAN Off
D840R ADSL2+ Router User Guide

Chapter 6 Appendix

Check if the power adapter is

Connected properly.

Check if the power adapter is matched.

Check if the ADSL cable connection is

OK.
Make sure the telephone line is OK

you're your phone.
Check the phone line cabling is right.

Check the Ethernet cable is OK.

Make sure the PC's NIC indicator is ON.

Make sure the NIC works normally.

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Troubleshooting