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Win 10 desktop loses wifi network connection when waking from sleep

My Windows 10 desktop computer loses its wifi connection during sleep, which is acceptable to me, but then upon waking, it takes too long to reconnect. Sometimes it doesn’t even connect automatically, and I need to manually choose (in the wifi settings) to connect to my home network again.

Also odd: sometimes upon waking, the wifi icon indicates that there is a network connection temporarily, but then it loses network connection temporarily a couple of seconds after waking.

I’ve had this computer for many years, and I think this problem has only happened within the past ~6 months.

I’ve even upgraded my USB wifi dongle to a new one, and the problem still happens. And yes, the drivers are up-to-date.

These old questions seemed relevant, but I haven’t found the answer yet:

P.S. winver shows I have Windows 10 Version 2004 (OS Build 19041.1083). My new wifi USB dongle is EDUP AC1300M wifi driver EP-AC1686 Driver (8812BU Chipset).