My External Storage Device (Seagate) is not showing up on my MacBook Air

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Level 1

4 points

My External Storage Device (Seagate) is not showing up on my MacBook Air

Device : MacBook Air, M3 2024

OS : Sequoia 15.3.2

I have a Seagate External Storage device which I used to backup files in. It was working fine, however recently it is no longer being detected on my Mac finder, or disk utility. However, in System Information under the USB devices, it is recognised and appears along with the serial. number.

MacBook Air 13″, macOS 15.3

Posted on Mar 30, 2025 12:11 AM

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Answer 1

Barney-15E

Level 10

125,822 points

Mar 31, 2025 5:36 AM in response to nat_yh

Give this a try:

In the Privacy & Security System Settings, under Security, set it to Always Ask for Accessories.

Plug in the drive and when it asks, Allow it.

You can then set it to Ask for new accessories (or whatever you want).

If that isn't it, how is the drive formatted? Are you using any software to write to NTFS volumes?

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