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Resolved External USB stick not recognized during boot

vpujols

vpujols

macrumors member
Original poster
Feb 6, 2020
45
6
Just replaced the original SSD drive with a Sabrent 512GB NVMe, using the simtech short adapter version.
I prepared a bootable Catalina before replacing the drive into a USB memory stick.

When booting (MBA early 2015 13") the drive does not show up. I turned it on and keep holding the option key and the only option is internet recovery and also to choose a WIFI.

I removed the simtech adapter and the Sabrent drive, re-inserted them very securely until I hear the click that is in place.

Thought??
[automerge]1584820839[/automerge]
Just removed both simtech adapter and Sabrent and put them back in place....no dice....:rolleyes:
[automerge]1584820900[/automerge]
Just removed both simtech adapter and Sabrent and put them back in place....no dice....:rolleyes:
 
Last edited:
Plugged the USB memory stick to the other USB port on the left side of laptop and that seems to be now working.
 
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