If nothing else has worked and Amphetamine still isn't working properly, you can try deleting Amphetamine's preferences. Check out this Apple support article for a step-by-step guide: The only solution can come from Apple in a macOS/firmware update, or through resetting your Mac’s SMC. If your Mac is not respecting the power assertions applied by Amphetamine, no amount of resetting, reinstalling, updating, etc. If your Mac is definitely falling asleep while Amphetamine should be keeping it awake, try resetting your Mac’s SMC. If you find the issue does not persist under a new user account, you can log back in to your user account, skip step #7, and proceed to step #8. Instructions for how to create a new user can be found here. Does the issue persist while logged in to a different user account?Ī good way to isolate any issue is to try to replicate it under a new user account. Amphetamine’s Triggers feature does not work when your Mac/system is asleep.Ħ. This feature has neverbeen supported despite what some of the reviews on the App Store might stateĪmphetamine cannot wake a Mac that is already in a system sleep state. If you're not meeting these requirements and are expecting Amphetamine to keep your Mac awake while its lid is closed, think again. If you are using a version of Amphetamine prior to 5.0, Apple has very strict requirements for using a Mac in clamshell/closed lid mode. If you set up Triggers in a version of Amphetamine prior to 5.0, you'll need to edit each Trigger to use this feature. Each Trigger you create can also be configured to take advantage of this version 5.0+ feature. Make sure you have enabled this feature by unchecking Preferences → Sessions → Non-Trigger Sessions → Allow system to sleep when display is closed. Starting with Amphetamine 5.0, you can keep your Mac awake while its display is closed. Are you closing the display/lid of your Mac (clamshell mode)? While it might be convenient to move Amphetamine to your Desktop or another location, apps from the Mac App Store can encounter odd issues when moved outside of the /Applications folder.Ĥ. Make sure Amphetamine is installed in the /Applications folder. Is Amphetamine installed in the correct folder? To unlock it, click the padlock icon and enter your password.ģ. Note that the Advanced button may be locked. Visit → System Preferences → Security & Privacy → General → Advanced to check whether your Mac is set to log out of your user account after a period of inactivity. Is your Mac configured to log out after a period of inactivity? Visit → System Preferences → Security & Privacy → Generaland change your Mac’s settings if desired.Ģ. If your Mac is set to require a password after X minutes of display sleep, that does not mean your Mac has fallen asleep. Depending on these settings, and whether you allow your display to sleep, it may appear that you Mac is asleep when in fact is is not asleep. One other thing to check is your Mac's Security & Privacy settings. In the Trigger Configuration window, ensure that Allow display to sleep when this Trigger activates a session is unchecked. The Trigger Configuration window will open. Visit Amphetamine Preferences → Triggers and double-click on one of your Triggers. If you're using Triggers, each Trigger has its own display sleep setting. This option is found in Amphetamine Preferences → General → Allow Display Sleep. Of course, in order for system sleep to occur, display sleep must also occur, so it can be a bit confusing.Įnsure that Amphetamine is not set to allow display sleep. In fact, display sleep and system sleep are two separate sleep modes. If your display falls sleep, it can appear as if your Mac has fallen asleep. If your Mac is falling asleep even with one or both of these power assertions applied, one of the following may be the issue: Note that if you’ve configured Amphetamine to allow your display to sleep, you will only see one line/assertion returned. The output of the command should look something like this: In the Terminal window, type the command: pmset -g assertions | grep "Amphetamine" Launch Terminal.app from /Applications/UtilitiesĢ. You can confirm that the assertions have been applied during an active session by using a Terminal command.ġ. Amphetamine keeps your Mac awake by applying system power assertions: one to keep your display awake (optional), and one to keep your system awake (required).
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