usb – MacOS Bug Sur can format drive but can’t mount it

I have an USB-stick and I can format the Stick but when I try to mount it following error occurs:The error code

The error is on german, it means “Mounting of “Ohne Titel” has failed. (com.apple.DiskManagement.disenter -Error -119930873)”

I can’t find any solutions online and don’t know what to do.

There are no data on this stick so I can easily format it.

Has the Time Machine option to “”Delete all backups of” disappeared in Big Sur?

I have a folder that gets filled with large files that I want Time Machine to remember while retaining the option of regularly forgetting these large files. For this and up until Catalina I would regularly enter Time machine, go to this folder and use the command Delete all backups of... (see for instance the screen capture of @Inder ‘s answer in this thread). As of my recent upgrade to Big Sur I no longer see this contextual menu option.

Is it gone from Macos for good? Is there an alternative that does not involve under-the-hood sudo-type terminal surgery?

Thanks!

macos – Macbook Pro 2016 – Big Sur Battery Issue after replacement

Background – i bought a 2016 Macbook Pro (A1708) a few weeks ago that was at 800+ cycles and the battery was listed as “service recommended”, would not charge past 1% and switch off if unplugged. So i bought a new battery and installed it. Little did i know that there was a replacement program for the 2016/2017 MAcbook Pro’s that had issues after Big Sur upgrade..doh! So now Apple wont touch me as i replaced the battery but the issue still persists even with a new battery. I have attempted an SMC reset and PRAM/NVRAM resets and it still doesn’t work. I have wiped SSD and gone back to Mojave (same issue) then upgraded back to the latest version of Big Sur.

Did this bug with Big Sur brick something on the logicboard/SMC? Has anyone else had this issue and worked out how to resolve?

display – Lag on external monitor using a Macbook Air 2017 with a Intel HD Graphics 6000 1536 MB and running macOs Big Sur 11.2.3: what could be the solution?

HOST MACHINE: Macbook Air 2017

GRAPHICS: Intel HD Graphics 6000 1536 MB

MACOS: Big Sur 11.2.3

Intel HD Graphics 6000:

Chipset Model: Intel HD Graphics 6000

Type: GPU

Bus: Built-In

VRAM (Dynamic, Max): 1536 MB

Vendor: Intel

Device ID: 0x1626

Revision ID: 0x0009

Metal Family: Supported, Metal GPUFamily macOS 1

Displays:
SyncMaster:

Resolution: 1920×1080 (1080p FHD – Full High Definition)

UI Looks like: 1920 x 1080 @ 60.00Hz

Framebuffer Depth: 30-Bit Colour (ARGB2101010)

Display Serial Number: H9XZ103518

Main Display: Yes

Mirror: Off

Online: Yes

Rotation: Supported

Automatically Adjust Brightness: Yes

Connection Type: Analog VGA or Analog Over DVI-I

Adapter Firmware Version: 0,00

1) At home I use my mac connected to a SAMSUNG 2494HS via VGA + CableDeccon video adapter.
The default resolution is 1920×1080 at ~60HZ.

Recently ( maybe correlated to the new macOs update) I noticed some lag in the external monitor. The events occured only when I run VirtualBox (v. 6.1) and I increase the resolution: above a certain threshold the VM starts to lag.

It is not correlated to any specific VM, but is the same with any.

2) If I use the HDMI cable (whatever type) or I set ad unscaled resolution with VGA, the display looks blurry.

3) Last but not least, if I close the mac and use only the external display with the setting as 1) the VM does not lag any more.

What could be the problem and possible solutions?

I tried to unscale the resolution, use differents setting for the VM (different video adapter, memory size, processors…) but with no success.

mac – Message is extreemly slow to open Big Sur

mac – Message is extreemly slow to open Big Sur – Ask Different

macos – Delete duplicate/older program versions from openwith – Mac Big Sur

macos – Delete duplicate/older program versions from openwith – Mac Big Sur – Ask Different

macos – Weird folder setup in Big Sur compared to Mojave. Lots of questions

Everything is correct. This is all due to the split of the system volume (Macintosh HD or whatever you called it) into a read-only volume and a read-write volume.

Start by looking at the disk with Disk Utility. Press Command-2 (or tick Menu -> View -> Show All Devices). You should see something like this (the names will be different):

enter image description here

Within the APFS container you can see two volumes. In myself case BethSSD and BethSSD – Data. In what follows replace these with your own system volume name.

BethSSD is the read-only (highly protected) volume created by the macOS install and has the same content same on every Mac with the same version of macOS.

BethSSD – Data is a read-write volume and contains everything not part of the read-only volume. As well as your files, it includes all the application you have installed.

So we have two volumes and both will have applications – so Finder does some trickery to show them as one.

Taking your three locations (but in a different order) and a fourth:

2 The applications on the read-only volume are the Apple macOS applications and can be seen in /System/Applications.

4 (what you have not seen): In Terminal do ls /System/Volumes/Data/Applications. Here you will see all the applications you have installed – but none of the inbuilt macOS apps.

1 and 3. macOS combines the two locations above into one using “firmlinks”. These are what you are seeing as/System/Volumes/<name>/Applications as well as /Applications.

I hope that helps. To go much further requires much mind bending!

big sur – How to set or change the desktop background in configuration profile in Big Sur

big sur – How to set or change the desktop background in configuration profile in Big Sur – Ask Different

vpn – Where is the NordVPN configuration stored on Big Sur?

vpn – Where is the NordVPN configuration stored on Big Sur? – Ask Different

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