

From the View menu, select Show All Devices.Type ‘ disk utility’ and press the Return key to open Disk Utility.Press the Command + Spacebar keys to open Spotlight.Wait for 10 seconds then reconnect the USB drive.
#How to reimage mac from usb install#
#How to reimage mac from usb driver#
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Improper ejection of the USB drive when a write operation is still on the process.An issue with the USB driver that makes the storage drive unrecognizable.The symptoms suggest that your USB drive is corrupt and can be due to the following reasons: Related Article Fix a non working USB on Mac Disk Utility shows the connected USB drive in gray.macOS displays error messages while accessing the USB drive’s data.The USB drive has files with weird file names that do not open when accessed.Finder displays the drive, but its files and folders are not visible.macOS fails to recognize your USB drive in Finder.Sometimes, when you connect your USB drive to a Mac, the following things can happen: It can be an external flash drive, hard drive, or solid-state drive, which you can use it for storing and transferring data from different Macs, viz. A USB drive is a removable external storage device that connects to a Mac through a USB port of type A, B, or C.
