How to change wifi frequency to 2.4

Change method: First enter "192.168.1.1" in the browser to enter the router management background; then click the "My wifi" tab at the top of the page; then close "Dual-band Optimization" in the new window that pops up ” switch; finally turn off the switch after “5G WiFi”.

The operating environment of this tutorial: Windows 7 system, Dell G3 computer.

Enter "192.168.1.1" in the browser to enter the router management background, click the "My WiFi" option, see the picture below, and go to the following steps.

After performing the above operations, click Wireless Settings to turn off the "Dual-band Optimization" switch, see the picture below, and go to the following steps.

After performing the above operations, just turn off the switch after "5G WiFi", so that only the 2.4g network is left, and the switch is successful, see the picture below . In this way, the problem is solved.

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