What should I do if internet connection is slow when the device is connected to the TP-Link DSL Modem?

Troubleshooting
Дата последнего обновления: 04-29-2024 03:24:21 AM 16300
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Internet speed may be affected by many factors. This FAQ will help you figure out what cause the problem and offer you some tips to improve the speed.

Note:

End-device mentioned below means computer, laptop, mobile phone, etc.

Case 1 Wired and wireless speeds are both slow

Step 1. Login the web-based interface of the modem. Check DSL Status. Please take screenshot of the Status page for further help.

Step 2. Connect only one end-device to the TP-Link modem via cable, and do the Speedtest® (www.speedtese.net) three times without doing any high bandwidth activities like P2P download. Take screenshots as well.

Step 3. Check wired link speed of the end-device and take Screenshots. Please refer to this FAQ.

Skip this step if you don’t know where to find it.

Step 4. Contact TP-Link support with screenshots of Status page, Speedtest® results and link speed info, and let us know the total bandwidth from your ISP.

Case 2 Wireless is slow, while wired speed is normal

Step 1. Simplify network topology by connecting one end-device to the TP-Link modem via wireless, and do the Speedtest®(www.speedtest.net)three times without doing any high bandwidth activities like P2P download. Take screenshots.

Step 2. Check wireless link speed of your end-device and take Screenshots. Please refer to this FAQ.

Skip this step if you don’t know where to find it.

Step 3. Change Channel Width, 2.4GHz→40MHz, 5GHz→80Mhz, refer to this FAQ.

Go to step 4 if still to no avail.

Step 4

The problem occurs on 5GHz or 2.4GHz? If end-devices support 5GHz as well, connect to 5GHz to check if it’s better or not.

For 2.4GHz, change the Channel (channels 1, 6 and 11 are generally best, but any channel can be used, please try a few more channels). A wireless channel determines which operating frequency will be in use. It is not necessary to change the channel unless you’re noticing interference problems with nearby wireless networks.

https://static.tp-link.com/image006_1530001339243p.png

If the above suggestions still cannot fix the problem, please contact support with screenshots of Speedtest® results and link speed info, and let us know the total bandwidth from your ISP.

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