What can I do if the internet connection is unstable when connected to the Deco network?
There are different situations in relation to the unstable issue, please refer to the corresponding suggestions to do troubleshooting.
Main Deco is unstable
1. Power cycle your home network
Power off the modem and main Deco, and power on both devices again. Then check if the internet connection will become stable.
2. Check the internet connection
Disconnect main Deco from the modem, then connect a computer to the same Ethernet port on the modem with the same Ethernet cable. After that, check if the computer has a stable connection.
If the computer experiences an unstable issue as well, we recommend to contact your ISP for a check.
3. Change the main Deco
Refer to the link to setup a slave Deco unit as the main Deco, then check if internet will become stable.
4. If the above steps cannot solve your problem, you may need to reset the Deco and set up again.
Slave Deco is unstable
1. Power cycle the mesh system
Power off all the Deco units. Then turn on the main Deco at first, when it shows a green light, turn on the slave Deco and check if it will become stable.
2. Move it closer to the main Deco
The slave Deco may be too far away from the main Deco or there are too many obstacles between the main Deco and slave Deco, causing that the mesh connection is unstable. In this case, move it closer to the main Deco may be a good method.
3. Swap locations
If you have more than one slave Decos and the issue occurs only on one of the units, then please try to swap the locations of the slave Deco units. In this case, we can easily judge whether it’s a location issue or an issue with a specific Deco unit.
If it’s a location issue, then it’s recommend to change the location for a check.
If it’s an issue with the slave Deco itself, we recommend to contact our support team directly.
4. Set it as Main Deco
Refer to the link to setup the slave Deco unit as the main Deco for a check.
5. If the above steps cannot solve your problem, you may need to reset the slave Deco and then add it again through Deco app.
Certain device is unstable
If you find that only one or several certain devices have an unstable connection, then please refer to the tips below for a check.
1. Update the driver
The driver of the network adapter of the device may be too old. In this case, simply update the driver will fix the problem. Try to contact the device support if you don’t know how to update.
2. Turn off Fast Roaming
Some old devices may not support the fast roaming feature based on the 802.11r roaming protocol. Such devices will experience connection issues when Fast Roaming is turned on.
Open Deco app, tap More -> Advanced -> Fast Roaming, then turn off this option.
3. Assign a fixed IP address
Make sure the device is connected to the Deco network, then open Deco app, tap More -> Advanced -> Address Reservation. Then create a rule for the device.
Note: This feature is only available in Router mode.
4. Power off and then power on the device again for a try.
5. Check the IP address
It’s possible that there is more than one DHCP server in the network except Deco. In this case, the device may obtain an invalid IP address from the other DHCP server and lose internet connection.
To figure out what’s the issue, please kindly check the IP address on the device and confirm if it’s assigned by Deco. If not, please track and remove the device which is acting as DHCP server from your network to avoid any possible network problems.
If above suggestions can’t solve your problem, it’s suggested to contact TP-Link support.
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