Light meaning and fix
TP-Link Archer A7 / C7 Internet Light Off: Meaning and Fix
On the TP-Link Archer A7 / C7, the Internet light being off means the router's Internet port is unplugged.
On the TP-Link Archer A7 / C7, the Internet light being off means the router's Internet port is unplugged.
What it means
The router does not detect a physical connection on the Internet/WAN port.
Device details
| Device type | Wireless router |
|---|---|
| Brand | TP-Link |
| Model | Archer A7 / C7 |
| Light name | Internet LED |
| Light location | Front panel |
| Color | Off / no light |
| Pattern | Off |
| Severity | warning |
| Last verified | 2026-05-02 |
What to do first
Connect the modem or Ethernet source to the router Internet port and check the cable.
- Find the router port labeled Internet or WAN.
- Make sure the Ethernet cable from the modem is plugged into the Internet port, not a LAN port.
- Push the cable in until it clicks.
- Check the other end of the cable at the modem or wall jack.
- Try another Ethernet cable if the light stays off.
- Restart the modem and router after reconnecting the cable.
When this can be normal
This can be normal only if you intentionally do not have anything connected to the Internet port.
When to stop troubleshooting
Stop and check the modem or Ethernet source if multiple cables fail to create a link.
Parts or products that may help
Only replace parts when the light pattern and official guidance support it. Some lights indicate setup or software states, not broken hardware.
- Ethernet cable: The Internet LED can remain off if the cable is disconnected, damaged, or in the wrong port.
FAQ
Why is my TP-Link Internet light off?
TP-Link lists the Internet light off as the Internet port being unplugged.
Which port should the modem use?
Use the port labeled Internet or WAN on the router.
Can a bad cable cause this?
Yes. A damaged Ethernet cable may prevent the router from detecting the connection.
This guide is based on: TP-Link Archer A7 & C7 User Guide - LED Explanation.
Source type: official_manual. Confidence: verified. Last verified: 2026-05-02.
The Internet/WAN port must be physically connected for this light to come on.