Mac OS Screenshot Delay

Update:

There was a comment in another thread about opening the Screenshot App from the Utilities menu and changing the settings, and how simply changing the settings in the menu is not enough for it to save the settings. Rather you must change the setting, then take a screenshot using that app rather than change the setting and close it. I disregarded this as my settings already has "floating screenshot" disabled.

However, after changing the settings back and forth, the delay seems to be down to 0.5 to 1 sec. So maybe the act of changing the settings is refreshing the underlying system file that may have been wrong or corrupt. I suppose this is the equivalent of "turn the computer off and on again."

1. Try changing the Timer setting to "5 seconds"
2. Use the "Capture" button to take a screenshot.
3. Change the Timer setting back to "none".
4. Use the "Capture" button to take a screenshot.
5. Now try shift command 3 and see what the screenshot write-to-disk delay is.

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Another user suggested deleting these files:

~/Library/Preferences/com.apple.screencapture.plist

~/Library/Preferences/com.apple.screencaptureui.plist