TP Link Deco Troubleshooting – Complete Guide

Here is the List of TP Link Deco Troubleshooting

Tp-Link Deco Dropping Connection

The mesh system’s network connectivity is critical. The mesh architecture improves Wi-Fi network performance in all areas of your home. However, network connection problems might occur when a user is unable to access the wireless network from any place.

 Here are some issues due to connection problems comes, which are as follows:

  • Faulty cable connection
  • AC power adapter useless
  • Not configure network setting
  • Firmware upgrade issue

Solutions: 

Examine the cable connection

If you experience cable connection problems, you must verify the cable connection. Because occasionally the cable connection is not correct, the connection problem arises. You must ensure that the network cable is correctly connected. Because the cable is frequently loosely connected to the mesh system, the connection issue arises. To resolve the issue, securely connect the wire to the mesh system.

Check that the cable is not damaged in any way. If the cable is no longer useful, disconnect it from the mesh system. You must substitute another functional cable for this one. This cable must be plugged into an accessible mesh system port. After that, turn on the power and double-check the connection.

Verify the network setting of the mesh system

When the network settings fail to set up, the connection fails. You must verify the network settings for this. To test the network settings, open a web interface on your device that is connected to a stable network. The default login IP must be entered in the web interface.

The login page is then viewed, and the account is logged in using the login ID. You must pick the network option in the mesh system settings. You must validate the networks in the network settings. If the 5GHz network is turned off, you must enable it using their option. Then, using the save option, you must save this configuration.

Check the AC power adapter 

To remedy the problem, you must thoroughly inspect the AC power adapter. When the cable in the AC adapter breaks, the connection fails. To manually address the problem, you must thoroughly inspect the power adapter. If a power adapter fails, you must unplug the range extender. You must use a new AC power adapter and attach it to their socket. Once the connection is established, you may enjoy continuous network connections.

Restart the deco mesh system

To restart the device is the best & perfect solution for every problem.

  • To restart the device, you have to properly verify the connection.
  • If the cable is plugged into the available port, then you have to unplug it.
  • Then, you have to verify the LED light status.
  • Then, examine the power button & smoothly press this button for 3 seconds.
  • Then the mesh system powered off.
  • You have to restart this system again after 10 minutes
TP Link Deco Troubleshooting

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Tp-Link Deco Slow Speed

There are several scenarios associated with the slow speed issue; please follow the steps below to identify the issue and solve it using the advice provided.

1.    Things you should be aware of before testing speed:

  • Make certain that each Deco unit is correctly situated; DO NOT install them in closets, TV cabinets, or any other enclosed location. If possible, place them in an open area.
  • If you are testing speed with a wired PC, please ensure that all Ethernet cables and the PC support a 1Gbps (Gigabit) connection. (Ignore this if your internet connection is slower than 100Mbps.)
  • If you’re testing speed using a wireless device, be sure it’s 5 GHz capable and capable of achieving high speeds. Some older laptops’ Wireless Network Adapters are incapable of reaching fast speeds.
  • Speed test in the “Deco APP>>>MORE menu” evaluates the maximum speed of the main Deco; it does not imply that all devices linked to Deco can achieve that speed.
  • Speed test in Deco Lab measures your cellphone’s real-time speed; the findings should be consistent with Ookla’s Speed test App.

2.    Methods and Steps to verify speed:

  • Use the Ookla Speed test App or https://www.speedtest.net to measure Internet speed.
  • Verify maximum broadband speed by connecting a Gigabit PC directly to the ISP Modem first.
  • Verify wired speed into the Main Deco after verifying the ISP Modem’s maximum speed.
  • Unplugging all wireless devices If you are attempting to measure the maximum wireless speed of Deco units when many wireless devices are concurrently utilizing the Wi-Fi network, the speed test results may be unsatisfactory.
  • When doing a speed test, always reconnect Wi-Fi on your cellphones/laptops. Because certain wireless devices may not support mesh and may connect to the incorrect Deco node, resulting in a speed drop.

Troubleshooting:

Deco APP>>>HomeCare or HomeShield>>> Remove QoS settings>>> Turn off QoS entirely or delete all priority devices, and set the maximum bandwidth to 1000Mbps or more.

Turn off the UPNP and SIP ALG features in the Deco APP>>>

MORE>>>

The advanced menu.

Try a couple of different speed test servers because some servers cannot attain maximum wireless speed.

Other Troubleshooting Steps:

Reset your router

Sometimes, the simplest explanation is the right one. If your speed is suffering, try unplugging your router, leaving it off for 10 seconds or so, and restarting. In the same way that a PC sometimes needs a refresh, routers sometimes do, too. 

More: 2022’s Top Mesh Wi-Fi Systems

Check your wiring

The cabling connecting your router to a switch, phone jack, or PC is something that may go unnoticed but might create connectivity or performance difficulties. Whether your lines are old, you should consider renewing them and replacing older ADSL/Ethernet wires to see if this resolves the problem.

Switch to a less crowded channel

Wi-Fi channels make data transmission and reception easier. When you have too many connections, bottlenecks might occur, slowing down your speed. You may be able to switch to less crowded traffic lanes depending on the channels your router utilizes.

There are several Android and iOS apps that can simply analyses your Wi-Fi channels and show which devices are connected to your network. Sign in to your router’s setup page and choose the channel you want from the available selections.

Scan for Malware

Another cause of sluggish internet may have nothing to do with your gear or ISP. If your computer has been infected with malware, such as adware or nuisance ware, the software may be limiting general performance by using memory reserves. Just to be sure, do an antivirus scan. Unwanted pop-up adverts in large numbers, changes to your preferred search engine, and redirection to unexpected websites are all signs of suspicious behavior.

Check your background usage

Some mobile applications and PC programs with high resource needs or streaming requirements may use bandwidth that you would otherwise require without your knowledge. Turn off any program that is not required to be active.

Tp-Link Deco Red Light Fix

When all of the Decos have red LEDs, your wired and wireless clients will be unable to connect to the internet. This symptom might be caused by an Internet service provider, an Ethernet cable, or internal issues.

Please try the following troubleshooting steps to locate your issue.

Step 1

Wire a PC or an old router directly into your ISP modem when this issue happen again, if you cannot get internet access through your ISP modem, please contact your Internet service provider.

If your ISP modem is working fine, please try step 2.

Step 2

Try to unplug and re-plug the Ethernet cable between modem and main Deco firstly when the issue happen again. If no luck, please try step 3.

Step 3

Reboot your main Deco to see if the internet can be recovered.

If the above steps listed here do not resolve your issue, please contact TP-Link support with the following information: (The more details you can provide, the faster we can locate your issue.)

  1. The results of the above troubleshooting steps
  2. The LED status on Decos
  3. How often did this issue happen?
  4. How to recover the connection?
  5. TP-Link account ID
  6. The Model Number of your modem and Deco

What should I do if my Satellite Decos have a Red LED?

If your satellite Decos have a red LED, your clients connected to your satellite Deco will not have internet access. The distance and difficulties between decos, as well as internal variables, are linked causes of this ailment. Please try the troubleshooting techniques below to identify your problem.

Check signal source and signal strength of each satellite Deco on the Deco APP: IOS, ANDROID, PC

A: If the signal strength is strong or normal (full bars or two bars), no need for moving Deco units

B: If the signal strength is weak (one bar), please try moving the Deco unit closer to main Deco

C: If the signal strength shows Ethernet, please check if there is a switch between Deco units. If yes, please try to remove the switch out of the network, connecting Deco units directly. Please check if the network is stable and record the switch model number.

If the above steps listed here do not resolve your issue, please contact TP-Link support with the following information: 

  1. Deco APP signal source/strength screenshots and distance of each Satellite Deco unit
  2. The LED status on Decos (flashing red or solid on red?)
  3. Which Deco units are having dropping issue? Please record their MAC address.
  4. How often did this issue happen?
  5. How to recover the connection? By rebooting, the Deco or connection comes back automatically?
  6. Network map screenshot of http://tplinkdeco.net
  7. TP-Link account ID and the Model Number of your Deco

Deco Red Light during Setup

The deco flashing red light during setup of a device, such as a Wi-Fi router or smart home gadget, typically indicates an issue or status that requires attention. Here’s a brief explanation of the reason and a potential solution:

Reason: The red light during setup can indicate various issues, including:

  • Connection Problems: It might mean the device is having trouble connecting to your network or the internet.
  • Error or Misconfiguration: There could be an error or misconfiguration in the device’s settings.

Solution: To address the red light issue, consider these steps:

  1. Check Network Connectivity: Ensure that your device is properly connected to your Wi-Fi network. Double-check the Wi-Fi password and network name.
  2. Reboot: Try restarting the device and your router. This can often resolve temporary connectivity issues.
  3. Factory Reset: If the problem persists, consult the device’s user manual or manufacturer’s website for instructions on performing a factory reset. This will reset the device to its default settings, allowing you to start the setup process again.
  4. Firmware Update: Check if there are any firmware updates available for the device and install them if needed. Updated firmware can resolve software-related issues.
  5. Contact Support: If none of the above steps work, reach out to the device manufacturer’s customer support for specific troubleshooting guidance or possible replacement if the device is faulty.
Deco Wi-Fi not Working 

Why is my deco not Connecting to the Internet?

Reasons:

  1. Internet Service Provider (ISP) Issue: Sometimes, the problem may be with your internet service. There could be an outage or connectivity issues in your area.

  2. Router Configuration: Incorrect router settings, such as an incorrect Wi-Fi password or network name (SSID), can lead to connectivity problems.

  3. Mesh Network Problems: In a Deco mesh network, if one of the nodes loses connectivity, it can affect the entire network’s performance.

  4. Interference: Wireless interference from other electronic devices, neighboring networks, or physical obstacles can disrupt Wi-Fi signals.

Solutions:

  1. Check ISP Status: Contact your internet service provider to ensure there are no service outages or issues in your area. They can also perform remote diagnostics on your connection.

  2. Router Configuration: Access the Deco router’s settings through the Deco app or web interface. Verify that your network name (SSID) and Wi-Fi password are correctly configured. If necessary, reset the router to its default settings and reconfigure it.

  3. Mesh Network: Check the status of all Deco nodes. Ensure they are all powered on and properly connected to each other. Restart the Deco system if needed.

  4. Wireless Interference: To minimize interference, place your Deco nodes away from electronic devices like microwaves, cordless phones, and baby monitors. Position the nodes in central locations and avoid obstructions like walls and metal objects.

  5. Firmware Updates: Make sure your Deco system’s firmware is up to date. Check for firmware updates in the Deco app and install them if available.

  6. Network Security: Ensure that your network is secure by regularly updating your Wi-Fi password and enabling WPA3 encryption for added security.

  7. Factory Reset: As a last resort, you can perform a factory reset on your Deco system and set it up again from scratch. This can help eliminate any software glitches or configuration issues.

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