Erasing my MBP SSD

I can't erase my SSD.

I use the instructions in https://support.apple.com/en-us/HT208496

I get 'operation failed couldn't open device (-69877)'

I followed the 3 options given in https://discussions.apple.com/thread/250900301

Those didn't solve the problem either.

Then I did a First Aid check.

Also here: 'operation failed couldn't mount disk (-69842)'

I am stuck

Robert

MacBook Air 13″, macOS 10.15

Posted on Aug 14, 2020 12:11 AM

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1 reply

kaz-k

Level 9

51,096 points

Aug 14, 2020 4:50 AM in response to chaver

Hi,

It seems your SSD is something wrong, you'd better contact Apple support or make Genius Bar reservation if your neighborhood retail Apple Store is open or try to find opened nearby Apple Authorized Service Provider to be examined your MacBook Pro.

https://support.apple.com

https://www.apple.com/retail/geniusbar/

https://locate.apple.com/findlocations

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Erasing my MBP SSD

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