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I upgraded from Yosemite XOS 10.10.5 to Catalina 10.15.7 and now my computer is SLOW. Any advice?

I upgraded from Yosemite XOS 10.10.5 to Catalina 10.15.7 and now my computer is SLOW. Any advice?

iMac 21.5″, macOS 10.15

Posted on Aug 14, 2022 8:16 PM

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Question marked as Top-ranking reply

Posted on Aug 14, 2022 8:35 PM

cydfromalbuquerque Said:

"I upgraded from Yosemite XOS 10.10.5 to Catalina 10.15.7 and now my computer is SLOW. Any advice?"

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Troubleshooting a Lagging Mac:


A. Try Safe Mode:

In Safe Mode, login items do not run, and corrupt system files(i.e. caches) are intentionally reset as a way to fix issues

  1. Boot: in to Safe Mode: [Hold Down: shift key upon boot].
  2. Log in: as same user
  3. Wait: 30 seconds
  4. Restart; your Mac
  5. Log in: as same user


B. See if your Hard drive is Failing:

What to Try:

  1. Boot: into Recovery ModeGo Here:  How to Use Safe Mode on your Mac- Apple Support
  2. Select: Disk Utility
  3. Select: the Drive
  4. Click: First Aid button


C. Remove Login Items:

While in Safe Mode, remove all of your Login Items, and then restart the Mac.  Go Here: Change Users & Groups Login Items Preferences on Mac - Apple Support

1 reply
Question marked as Top-ranking reply

Aug 14, 2022 8:35 PM in response to cydfromalbuquerque

cydfromalbuquerque Said:

"I upgraded from Yosemite XOS 10.10.5 to Catalina 10.15.7 and now my computer is SLOW. Any advice?"

-------


Troubleshooting a Lagging Mac:


A. Try Safe Mode:

In Safe Mode, login items do not run, and corrupt system files(i.e. caches) are intentionally reset as a way to fix issues

  1. Boot: in to Safe Mode: [Hold Down: shift key upon boot].
  2. Log in: as same user
  3. Wait: 30 seconds
  4. Restart; your Mac
  5. Log in: as same user


B. See if your Hard drive is Failing:

What to Try:

  1. Boot: into Recovery ModeGo Here:  How to Use Safe Mode on your Mac- Apple Support
  2. Select: Disk Utility
  3. Select: the Drive
  4. Click: First Aid button


C. Remove Login Items:

While in Safe Mode, remove all of your Login Items, and then restart the Mac.  Go Here: Change Users & Groups Login Items Preferences on Mac - Apple Support

I upgraded from Yosemite XOS 10.10.5 to Catalina 10.15.7 and now my computer is SLOW. Any advice?

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