Question Some of my devices disconnect from the WiFi ?

Jul 23, 2022
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Hello, last month me and a neighbor got new router/modem combo. Everything has been working great until the last few days, some of my devices will just disconnect from the WiFi for a few mins, it disconnects every few mins. Nothing I do will make it connect back, it will just connect back by its self after a few mins, it shows my network name and says the signal is excellent but won't connect. Right now it is a older notebook and a older amazon tablet that does this, they both disconnect about the same time and both will reconnect at about the same time. My other devices don't have this issue. I took my notebook to my neighbors home who has the same router/modem and ISP company as me, and it works no problem.

Could there be something wrong with my router/modem or some setting that needs to be changed? If anyone could shed some light on this, I would really appreciate it.

Thank you very much for any help.