Ancestors

Written by Stuart Langridge on 2025-01-20 at 18:01

I've got a macbook. I don't use it much, and it sits on the side desk. Yesterday I charged it to 100% (which I had to click on a thing in the menu to allow; it only wanted to go to 80%) and then afterwards unplugged it and closed the lid. Today I've just opened it and it's at 1% charge. Do they not suspend properly or something? Surely it shouldn't use battery power while the lid is closed?

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Written by Stuart Langridge on 2025-01-20 at 19:27

hm, I have had a thought about this macbook battery thing.

If the lid is closed (so it's suspended), and I connect power to it, I believe it might wake up according to a stackoverflow post. This is fine, because it's connected to power. But if I then disconnect the power again, still without ever having opened the lid... surely the laptop goes back to sleep again? Is it not clever enough to do that? It surely doesn't stay awake with the lid shut until the battery runs down?

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Toot

Written by Frank O'Dwyer on 2025-01-20 at 20:55

@sil it’s supposed to be clever enough to suspend to disk and fully hibernate.

Do you have anything like “wake for network” or “Power Nap” enabled?

If not then maybe it’s a piggy app preventing sleep, or an SMC reset might help https://support.apple.com/en-us/102605

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Descendants

Written by Stuart Langridge on 2025-01-20 at 21:27

@fodwyer I do not have those things. Activity Monitor now refuses to start because it crashes with SIGILL, but before when it worked it showed no application that was preventing sleep. I have reset both nvram and SMC and it hasn't helped.

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