TP-Link is one of the largest networking products manufacturer for home and office needs. The company is headquartered in China and supplies its products to almost all countries around the globe. Although their products are of good quality and serve a long way from their first start, technical glitches and defects appear which may be fixed by users themselves or may require expert opinion to figure out the problem and fix that.
A router is a device that forwards data packets between networks. Mostly, it is used to connect more than one computer or devices to the main network. Router supports both LAN and Wireless thus connection over line or Wireless (Wi-Fi) is possible. Modern routers are built to perform multiple tasks. You may use them to share your internet with multiple computers and mobile devices, share files over local network or use them to bridge and extend the range of your AP or Modem’s Wi-Fi.
TP-Link routers can be used to wireless the wired internet reaching your house or office. Multiple desktops, notebooks, mobile phones and tablets can share just one internet connection. But sometimes, users may face issues like no connection, limited connectivity or disconnection when everything seems like normal. We have observed that when people are using TP-Link routers for wireless bridging (WDS Bridge) or connection over LAN, strange ‘Limited Connection’ or ‘No Connection’ problem arises. Lets get into the depth and see why any such problem arises and how to fix it.
Causes and Fix: 1- Internet is disconnected from AP or Modem due to the problem with ISP. ‘No Connection’ or ‘Limited’ will appear whether you are connected directly or through TP-Link router. Wait to see if internet connectivity restores back on its own. If it does not restart the modem and try again. If problem continues, you may need to contact your ISP. If internet is working fine at AP/Modem’s end, you need to proceed and focus on the issues with router.
2- If router is connected over LAN, make sure the cables are inserted properly and connections are not lose. If connected over Wireless WAN (Wi-Fi), make sure that router is kept at a location where it is receiving adequate signals. If it is itself not getting good signals, you won’t get internet connection out of it. Change the location of router and try.
3- If you are using router for bridging (extending Wi-Fi or repeating), make sure that you are using same password and channel as of your Modem or Access Point. Using different password and channel will result in no connectivity or limited connectivity problem. So, check WDS Bridge/Repeater settings and confirm that these two matches with Wi-Fi settings of Modem or Access Point. Having different SSID does not matter in this case.
4- DHCP: If you are using TP-Link router as repeater, extender, WDS bridge (WDS stands for wireless range extension) or to connect multiple computers over LAN and you are facing this limited or no connectivity problem, there are greater chances that DHCP is causing IP conflict or it is failing to assign the IP address. This problem may arise due to a firmware glitch or incompatibility between connected devices. A possible fix for DHCP related problem is given below:
We have observed that disabling DHCP often fixes the limited connectivity issue. To disable it, log in to the configuration panel (settings menu, management page) of your router by typing 192.168.0.1 in web browser. Once menu has opened, look for DHCP in sidebar. Open it and disable it. Restart the router to apply the settings. Before doing it make sure you have done all necessary settings from router’s configuration/settings menu as after disabling DHCP you won’t be able to access it unless you manually assign an IP address to the computer to match the default IP address of the router. The other easy way to access it again is by resetting the router (press reset button on router to reset it). You will lose all previously done settings and configurations. So do this at your own expense.
If you have done everything you could possibly do and still the problem persists, there might be some hardware related problem with your device. In that case, you should contact TP-Link support for further assistance.
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