My Mac is super slow since I downloaded the new OS High Siera?
My Mac is super slow - (can't keep up with my typing) since I downloaded the new OS High Siera. How do I fix this?
MacBook Pro with Retina display, macOS Sierra (10.12.3)
My Mac is super slow - (can't keep up with my typing) since I downloaded the new OS High Siera. How do I fix this?
MacBook Pro with Retina display, macOS Sierra (10.12.3)
Possible Fixes for El Capitan or Later
You should try each, one at a time, then test to see if the problem is fixed before going on to the next.
Be sure to backup your files before proceeding if possible.
- Select Disk Utility from the Utility Menu and click on Continue button.
- When Disk Utility loads select the drive (out-dented entry) from the Device list.
- Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
- Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button, then wait for the Done button to activate and click on it.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
Possible Fixes for El Capitan or Later
You should try each, one at a time, then test to see if the problem is fixed before going on to the next.
Be sure to backup your files before proceeding if possible.
- Select Disk Utility from the Utility Menu and click on Continue button.
- When Disk Utility loads select the drive (out-dented entry) from the Device list.
- Click on the Erase icon in Disk Utility's toolbar. A panel will drop down.
- Set the Format type to Mac OS Extended (Journaled.)
- Click on the Apply button, then wait for the Done button to activate and click on it.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
I suggest you use the program created by Etresoft, a frequent contributor. It will provide a snapshot of your system which we can analyze to possibly determine the cause of your problem. Please use copy and paste as screen shots can be hard to read. On the screen with Options, please open Options and check the bottom 2 boxes before running. Click “Share Report” button in the toolbar, select “Copy to Clipboard” and then paste into a reply. This will show what is running on your computer. No personal information is shown.
My Mac is super slow since I downloaded the new OS High Siera?