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Changes for page Apple

Last modified by Drunk Monkey on 2022-12-08 12:01
From version 3.1
edited by Drunk Monkey
on 2021-08-04 06:22
Change comment: There is no comment for this version
To version 4.2
edited by Drunk Monkey
on 2021-11-03 08:34
Change comment: There is no comment for this version

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1 +{{toc numbered="true" start="2"/}}
2 +
3 +== Downgrade Big Sur (11.x) to Catalina (10.15) ==
4 +
5 +1. download the Catalina installer for 10.15 ( [[https:~~/~~/support.apple.com/en-in/HT201372>>https://support.apple.com/en-in/HT201372]] ) from the apple app store (8GB). After downloading, the OS will try to run the installer and fail giving an error message. Just dismiss the dialog window and continue on.
6 +1. "createinstallmedia" via the terminal window:
7 +11. ##sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia ~-~-volume /Volumes/MyVolume##
8 +
1 1  == Disable MacBook Pro Dedicated GPU ==
2 2  
3 3  
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24 24  (% class="min" %)
25 25  |=Shortcut|=Action
26 26  |**Startup Shortcuts**|
35 +|C|Boot from Optical Drive
27 27  |D|Boot to Apple Diagnostics
28 28  |N|Boot from a network server
29 29  |T|Boot in Target Disk Mode
... ... @@ -34,7 +34,10 @@
34 34  |Cmd + V|Boot in Verbose Mode
35 35  |Option|Boot to Startup Manager, to pick other startup disks if available
36 36  |Cmd + Option + P + R|Reset NVRAM or PRAM
37 -|F12|Eject removable media
46 +|Shift + Control + Option|Reset SMC
47 +|F12 or trackpad button|Eject removable media
48 +|Left Shift|Disable automatic login (if enabled)
49 +|Shift|(at login screen) Prevent Login items / Previous Windows
38 38  |**Global Shortcuts**|
39 39  |Shift + Cmd + 3|Take screenshot of entire screen
40 40  |Shift + Cmd + 4|Take screenshot of selected area