Microwave interference 2.4GHz: How to check
If you lose Wi-Fi during cooking, interference on 2.4GHz may be involved, but timing alone does not confirm the cause. Compare the same device in the same location before, during and after microwave use, then compare 5GHz and a wired connection where possible. These checks can help narrow the cause before spending money on replacement equipment. Separate wireless trouble from a wider outage Confirm the actual connected band in the router's admin interface or, on Windows, the connected Wi-Fi network's properties. The network name alone is not enough. Test while heating food normally, never with the microwave empty, and pause large downloads on other devices. Repeated trouble confined to 2.4GHz suggests possible interference. If wired internet also fails, check the router and modem. For the wired comparison, connect a computer to the main router's LAN port and turn off its Wi-Fi. A woman connects an Ethernet cable from her laptop to a router in the living room A guide t...