How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66?

 

If you have Mac Pro 4,1 (modified to 5,1) and you are stuck on incorrect macOS High Sierra 10.13.6 build 17G65 or 17G66, which has no NVIDIA Web Driver available just follow these steps to update to the latest build 17G14042.

 

Step 1

Download swpatch.sh.zip script file from DosDude website: http://dosdude1.com/highsierra/swupatch.sh.zip

 

After extracting zip archive you will see swupatch.sh script file.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 2

Click Go from the top bar, then Utilites.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 3

Double-click Terminal icon to launch Terminal.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 4

Move swupatch.sh file over Terminal window to launch the script.

 

Terminal will ask for password. Type your user password and press ENTER (password won't be shown not even under asterisk).

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66 

 

 

Step 5

Press Y to refresh macOS updates list.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 6

Script will find some macOS High Sierra 10.13.6 security updates.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 7

Click Apple logo, then About This Mac from the top bar.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 8

Click Software Update button.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 9

Click Update button to install macOS High Sierra 10.13.6 Security Update 2020-005.

 
How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 10

After installation redo steps 7 and 8 to get another updates. This time you will see macOS High Sierra 10.13.6 Supplemental Update 2 for MacBook Pro (2018).

 

Again click Update button to install it.

 

It won't install but it's needed to install final security update.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 11

Once again redo steps 7 and 8 to get a final update. You will see macOS High Sierra 10.13.6 Security Update 2020-006. Again click Update button to install it.

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66

 

 

Step 12

Now you can download and install the latest macOS High Sierra 10.13.6 NVIDIA Web Driver: https://images.nvidia.com/mac/pkg/387/WebDriver-387.10.10.10.40.140.pkg

How to upgrade Mac Pro 4,1 from macOS High Sierra 10.13.6 incorrect build 17G65 or 17G66