networking – Wifi randomly disables itself on Dell laptops running 20.04 LTS

Here’s an odd one. I’ve got 20.04 LTS running on two Dell laptops, a Latitude 7480 and a Precision M6700. Both are completely up-to-date, including BIOS. However, once in a while, the wifi will just shut itself off. The network menu says it’s completely disabled, and the only way to re-enable it is to turn on Airplane Mode, then turn it back on again. This is immensely frustrating, especially when it happens in the middle of video calls and such. This behavior does not affect any other devices on my network; just the two Dell Ubuntu machines, and it seems to happen more often with the 7480. The 7480 has an Intel Corp. Wireless 8265/8275 chip, and the M6700 has a Dell Wireless 1540.

I’m at a loss here. Can anyone help?