Spotlight Search Lag

Anyone else experiencing delays in Spotlight results in Big Sur?


When I try to use Spotlight Search [Command+space bar], I get no immediate results, it just hangs for about 30 seconds before showing results. Sometimes pushing the down arrow helps, but not always.

MacBook Pro with Touch Bar

Posted on Nov 18, 2020 7:45 AM

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Question marked as Top-ranking reply

Posted on Dec 5, 2020 10:58 AM

Folks, it's that the external USB hard drives are spun down to save power, and they take several seconds to spin back up and be mounted by MacOS.


Rebuilding your index won't help, as @morgankrane has proved.


Until Apple FIXES THIS BUG*, there are two workarounds: (1) unplug your external drives unless you are actively using them, or (2) replace them with external SSD drives that will not have to spin down, and therefore will avoid the cause of this lag.


Vexedly -- Peter


*Apple, Spotlight should go ahead and return index hits immediately, and if the user clicks on one that links to an unmounted drive, then it can take the delay. I want my immediate calculation functionality back!!

9 replies
Question marked as Top-ranking reply

Dec 5, 2020 10:58 AM in response to morgankrane

Folks, it's that the external USB hard drives are spun down to save power, and they take several seconds to spin back up and be mounted by MacOS.


Rebuilding your index won't help, as @morgankrane has proved.


Until Apple FIXES THIS BUG*, there are two workarounds: (1) unplug your external drives unless you are actively using them, or (2) replace them with external SSD drives that will not have to spin down, and therefore will avoid the cause of this lag.


Vexedly -- Peter


*Apple, Spotlight should go ahead and return index hits immediately, and if the user clicks on one that links to an unmounted drive, then it can take the delay. I want my immediate calculation functionality back!!

Nov 26, 2020 9:53 AM in response to morgankrane

Hello morgankrane,


Thank you for using Apple Support Communities! We understand that you're experiencing delays returning results using Spotlight on your Mac after upgrading to macOS Big Sur.


If the issue is specific to Spotlight, and you're not experiencing delays with any other apps and features, try rebuilding Spotlight index on the Mac:


Rebuild the Spotlight index on your Mac


Take care.

Dec 24, 2020 6:54 AM in response to mikerisner

Add the Time Machine external drive to list of locations for Spotlight NOT to index.


  1. Go to System Preferences/Spotlight.
  2. Click the Privacy tab.
  3. Click the + button.
  4. Navigate to the Time Machine drive and select it. Be sure to select the top-level drive and not any of its folders or subfolders.
  5. Click Choose.


The index will briefly rebuild itself, and then your performance should improve significantly.

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Spotlight Search Lag

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