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User profile for user: abood05
abood05 Author
User level: Level 1
8 points

Please help me fix this issue "The disk “Macintosh HD” can‘t be unlocked."

I was trying to reset my MacBook which I successfully did. After that I tried updating the laptop and it is telling that the disk Macintosh HD is locked and can't be opened. Also I tried mounting the disk the same thing happened, it is locked with out anyway to open it. Please help me fix this issue because I use this MacBook for school and I need to store things on it ASAP to catch up on my work.


Specs:

MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)

Processor: 1.4 GHz Quad-Core Intel Core i5

Memory: 8 GB 2133 MHz LPDDR3

Startup Disk: Macintosh HD - Data

Graphics: Intel Iris Plus Graphics 645 1536 MB

MacBook Pro 13″, macOS 10.15

Posted on Jan 23, 2021 5:50 PM

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User profile for user: abood05
abood05 Author
User level: Level 1
8 points

Posted on Jan 23, 2021 6:45 PM

I erased another disk which had all my files on it to free up space. I reinstalled macOS but then for some reason that disk (Macintosh HD) got locked. I was trying to update to Big Sur and that problem happened and I don't know how to fix it.

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User profile for user: abood05
abood05 Author
User level: Level 1
8 points

Jan 23, 2021 6:45 PM in response to leroydouglas

I erased another disk which had all my files on it to free up space. I reinstalled macOS but then for some reason that disk (Macintosh HD) got locked. I was trying to update to Big Sur and that problem happened and I don't know how to fix it.

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User profile for user: leroydouglas
leroydouglas
Community+ 2025
User level: Level 10
192,018 points

Jan 23, 2021 6:21 PM in response to abood05

abood05 wrote:

I was trying to reset my MacBook which I successfully did. After that I tried updating the laptop and it is telling that the disk Macintosh HD is locked and can't be opened. Also I tried mounting the disk the same thing happened, it is locked with out anyway to open it. Please help me fix this issue because I use this MacBook for school and I need to store things on it ASAP to catch up on my work.

Specs:
MacBook Pro (13-inch, 2019, Two Thunderbolt 3 ports)
Processor: 1.4 GHz Quad-Core Intel Core i5
Memory: 8 GB 2133 MHz LPDDR3
Startup Disk: Macintosh HD - Data
Graphics: Intel Iris Plus Graphics 645 1536 MB


Reset it how?

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Please help me fix this issue "The disk “Macintosh HD” can‘t be unlocked."

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