Change settings for Mac detecting an external hard disk on the desktop Change the USB-to-Mac connection port.įix 2. If you come across the situation that no matter how many times you try to connect the USB drive with a Mac computer, the USB drive is not showing up anywhere, please try with below methods.įix 1. Once complete, your drive will be formatted.Commonly, when you insert a USB drive in the USB port on a Mac computer, the drive will soon appear on the desktop or hide in the Finder, letting you access, view, and manage data on it. Click the "Erase" button at the bottom of the screen.Note that using MBR with higher capacity drives may limit the amount of space you can use on the drive.
Set the scheme to "GUID Partition Table" (GPT) unless an older application requires you use MBR.When the window opens, you will be given the option to rename the drive.With the drive selected, click the "Erase" button at the top of the screen.The selected drive will appear in the right-hand pane with details about it, such as location, how it’s connected, and the partition map in use.Drives usually have names that refer to the drive manufacturer or an external enclosure manufacturer. Select the storage device that you wish to format from the left-hand pane.The left-hand pane contains the drive(s) and any volumes associated with the drives in a hierarchical view. Disk Utility will then open in a single window divided into two panes with a toolbar across the top.This can be located by opening Finder and then selecting "Applications, then "Utilities." Then, select "Disk Utility." If the drive you're formatting contains any files you need to keep, be sure to back up the information before proceeding. Please note, formatting your drive will delete all of the data it contains. To do this, simply follow the steps below. If your USB storage drive is not being recognized by applications on your Mac, you may be able to fix this by reformatting the drive and ensuring the scheme is set as Master Boot Record (MBR).
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