The sixteenth release of Apple's desktop operating system for Macintosh computers. Use this tag only if your question relates to using macOS Big Sur specific behavior. Questions relating to using or troubleshooting macOS are off-topic.
Questions tagged [macos-big-sur]
1005 questions
265
votes
19 answers
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)
I use the latest Apple M1 chip processor. And I keep getting errors while application installation.
say.,
brew install openjdk@11
Error: Cannot install in Homebrew on ARM processor in Intel default prefix (/usr/local)!
Please create a new…

Prashanth Sams
- 19,677
- 20
- 102
- 125
177
votes
9 answers
How to disable generating special characters when pressing the `alt+a`/`option+a` keybinding in Mac OS (`⌥+a` )?
There is a behavior in my mac that I'm trying to disable.
When I'm in any text editor and typing a key combination using the alt/option+any letter, the output will be special characters.
For example:
the combination alt+a will generate å.
the…

ximyu
- 2,489
- 3
- 19
- 16
171
votes
20 answers
Android Studio/Emulator on macOS with ARM CPU M1
I started Android Studio 4.1 in macOS Big Sure 11.0.1 with new ARM cpu M1
After installing Rosetta: Yes, it builds !
But the Emulator has problems, it shows me CPU does not support VT-x
Even ARM images have this issue
I used the most recent, a very…

hannes ach
- 16,247
- 7
- 61
- 84
160
votes
11 answers
Can't run app because of permission in macOS v11 (Big Sur)
I installed macOS v11 (Big Sur) yesterday and since then I am not able to run some old application. This is the message I get:
You do not have permission to open the application
I think this application is from an unknown developer.
I tried…

DeejonZ
- 2,451
- 2
- 17
- 19
111
votes
17 answers
brew services. Cant start service. get "Bootstrap failed: 5: Input/output error"
running brew services start mongodb-community which yields:
Bootstrap failed: 5: Input/output error
Error: Failure while executing; `/bin/launchctl bootstrap gui/501 /Users//Library/LaunchAgents/homebrew.mxcl.mongodb-community.plist`…

dasqueel
- 1,709
- 2
- 15
- 16
94
votes
13 answers
Kernel driver not installed (rc=-1908) Getting Errors in macOS Big Sur 11.0.1
I just want to work with VirtualBox but now I am getting this type of error.
I could not find a proper solution.
Kernel driver not installed (rc=-1908)
Make sure the kernel module has been loaded successfully.
where: suplibOsInit what: 3…

Shibaji Debnath
- 1,105
- 1
- 10
- 16
93
votes
11 answers
Homebrew fails on MacOS Big Sur
I upgraded from Mohave to Big Sur and found that homebrew is not working any more. I installed the command line tools using the command
xcode-select --install
After I run brew list, I get the following error
~ brew list
Traceback (most recent call…

ajay
- 9,402
- 8
- 44
- 71
82
votes
2 answers
Android Studio 4.1.1- MacOS BigSur - Freezing Problem in FullScreen
I am using the latest version of Android Studio (4.1.1). After updating the Mac operating system, Android Studio started encountering strange errors.
The most annoying problem I have ever had. When I want to open a new github branch, the window…

Arda Kazancı
- 8,341
- 4
- 28
- 50
65
votes
4 answers
Detect Apple Silicon from command line
How can I detect from a shell script that it is running on M1 Apple hardware?
I want to be able to run a command-line command so that I can write an if-statement whose body will only be executed when run on a mac with an M1 processor (and at least…

Klas Mellbourn
- 42,571
- 24
- 140
- 158
54
votes
14 answers
Android emulators are not working on macOS Big Sur 11.3+
I have upgraded the mac OS to Big Sur and none of the emulators are working. It seems that all Android emulators Fails on Mac OS Big Sur Beta. I deleted the old emulators and created new ones with different HW/SW, unsuccessfully. Introduced the…

Duna
- 1,564
- 1
- 16
- 36
53
votes
1 answer
My fish is blind? (fish does not recognise any commands after setting it as default shell on Mac OS Big Sur, M1 Mac)
I installed fish with homebrew on Mac OS Big Sur, Apple Silicon. Then I added /opt/homebrew/bin/fish to /etc/shells. When I now start fish from the default shell, it recognises all commands (like git flow init).
After changing the default shell with…

dusen
- 531
- 1
- 4
- 3
50
votes
7 answers
Android Emulator Render Issue - After macOS Big Sur Update
After the macOS Big Sur, 11.0.1 update, the Android emulator began to display image rendering issues.
Issue
The emulator display window is repeating the device image. An issue has been documented in Android's IssueTracker.
Conditions
Re-sizing:…

haliltprkk
- 1,428
- 3
- 14
- 26
48
votes
8 answers
pod install failed on macOS Big sur
I am pretty new to macOS and recently shift to macOS from windows, I started to working on react-native app and when I try react-native run-ios it gives me below error
error Could not find "Podfile.lock" at…

Sanira Nimantha
- 1,160
- 1
- 12
- 29
48
votes
2 answers
How can I run two isolated installations of Homebrew?
I want to install and run two versions of Homebrew simultaneously on an Apple Silicon Mac: an ARM64 version, and an Intel version running under Rosetta 2.
I know I can prepend any brew command with arch --x86_64 to emulate Intel for that command,…

Jacob Ford
- 4,553
- 5
- 27
- 42
47
votes
4 answers
expressGraphQL is not a function
I am learning GraphQL for my project using this tutorial:
https://www.youtube.com/watch?v=ZQL7tL2S0oQ&ab_channel=WebDevSimplified
and I get the error:
TypeError: expressGraphQL is not a function
at Object.
I have already tried:
this…

Swantewit
- 966
- 1
- 7
- 19