For years I had configured my 4-year-old MacBookPro3,1 so that it didn't awaken when the lid was lifted; a keypress was needed. (I did that because I suspected that the lid switch was overly sensitive, since I would hear disk-drive sounds when I would pick up the closed computer.) After a recent repair, and subsequent Migration Assistant transfer of files and settings from a newer MBP, my old MBP awakens when the lid is lifted. I can't find where to change back to the old behavior. My vague memory is that there used to be a "Laptop" preference pane in System Preferences which dealt with things like that. Can anyone tell me how to get the "stay asleep on lid opening" back again?
Want sleep to continue when lid lifts
- Thread starter dnerf
- Start date
My first reaction was that I wouldn't have used a 3rd party app, but then it occurred to me that I may not have used System Preferences, but a Terminal command to disable the lid switch. Poking about in /Library/Preferences/SystemConfiguration/, I discovered that com.apple.PowerManagement.plist has a parameter "Wake On Clamshell Open". Using that phrase as a search term brought up How to turn off "wake on clamshell...: Apple Support Communities, which reccommends the terminal command
sudo pmset -a lidwake 0
sudo pmset -a lidwake 0