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August 21st, 2022 03:00
P3221D, Apple M1 sleep, wakeup issue
Dell P3221D
When this Dell P3221D monitor is connected to a MacBook Air M1 via USB-C running macOS 12 and the computer is sleeping, the P3221D will randomly wake up every few minutes, detect no signal, and return to sleep. The P3221D is running firmware M2T102.
Is anyone else experiencing this issue? Other Dell monitors like U4919DW have received a firmware update with a fix that specifically covers this issue. Does Dell only support U series monitors with Mac?
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DELL-Chris M
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August 21st, 2022 11:00
Per the "Dell monitor, Apple FAQ", Dell only supports C/U/UP monitors in macOS.