Skip to Content

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 8.2
edited by Drunk Monkey
on 2021-11-03 08:51
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -1,3 +1,23 @@
1 +{{box cssClass="box floatinginfobox" title="**Quick Links**"}}
2 +{{toc start="2" depth="5" numbered="true"/}}
3 +{{/box}}
4 +
5 +== Downgrade Big Sur (11.x) to Catalina (10.15) via an 11.x Host Computer ==
6 +
7 +{{warning}}
8 +These instructions will completely erase the files on computer you are installing to with no chance of recovery. Make sure you have backed up and saved everything you need before you start this process.
9 +
10 +We will also use and erase the USB drive we will use to create the install media. Again, make sure it doesn't contain anything valuable before you start.
11 +{{/warning}}
12 +
13 +1. Start with a 16GB USB drive. This USB will be erased. In our example, the USB is labelled "MyVolume"
14 +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.
15 +1. Run "createinstallmedia" via the terminal window to create the installer:
16 +11. ##sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia ~-~-volume /Volumes/MyVolume##
17 +[[image:macos-big-sur-terminal-create-bootable-installer.jpg||height="50%" width="50%"]]
18 +
19 +====== ~[[[top>>doc:WebHome]]] ======
20 +
1 1  == Disable MacBook Pro Dedicated GPU ==
2 2  
3 3  
... ... @@ -19,11 +19,14 @@
19 19  1. Run the program, follow the prompts, and enter your password when prompted.
20 20  1. Once the tool finishes running, your system should now run without the dedicated graphics, and should work completely normally.
21 21  
42 +====== ~[[[top>>doc:WebHome]]] ======
43 +
22 22  == Essential Keyboard Shortcuts for Mac ==
23 23  
24 24  (% class="min" %)
25 25  |=Shortcut|=Action
26 26  |**Startup Shortcuts**|
49 +|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
60 +|Shift + Control + Option|Reset SMC
61 +|F12 or trackpad button|Eject removable media
62 +|Left Shift|Disable automatic login (if enabled)
63 +|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
... ... @@ -91,3 +91,5 @@
91 91  |Cmd + Down|Move down one folder
92 92  |Cmd + Option + I|Show Attributes Inspector
93 93  |Cmd + Control + N|With files selected, create a new folder and immediately move selected files into that folder
120 +
121 +====== ~[[[top>>doc:WebHome]]] ======
macos-big-sur-terminal-create-bootable-installer.jpg
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.pdwalker
Size
... ... @@ -1,0 +1,1 @@
1 +151.3 KB
Content