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Cannot partition external hard drive mac sierra

CANNOT PARTITION EXTERNAL HARD DRIVE MAC SIERRA HOW TO

It could be a hardware issue with the Mac. Try connecting the same device with a different cable. Assuming it’s plugged in correctly, not wobbly or loose, the cable could be at fault.

Check whether the drive is properly plugged in. It sounds obvious, but since this relies on a wire - either a USB cable or HDMI cable - if it’s not connected properly then it won’t appear on your desktop.

While it’s impossible to instantly figure out why an external disk drive is not showing up, you have to try to fix the problem.

CANNOT PARTITION EXTERNAL HARD DRIVE MAC SIERRA HOW TO

How to fix an external disk drive that won't show up on a Mac Your drive has been corrupted or broken.There could be a few reasons why SSD isn’t making an appearance (just as any other external drive), the most common being: Let’s say you’ve encountered the problem of SSD not showing up. Why your Mac does not recognize external hard drive How to make Ext2/Ext3 drives readable on Mac.Alternative ways to recover data from an external hard drive.

A few more tips on getting your files back.

An easy way to recover lost files on an external hard drive.

How to recover data from a crashed drive.

Repair the failed external drives with First Aid.

How to show connected devices in Finder.

How to fix new hard drive not showing up in Finder.

How to fix an external disk drive that won't show up on a Mac.

Why your Mac does not recognize external hard drive.

Let’s take a look at why this is happening and how you can fix the external hard drive not showing up problem: And besides, there can be a risk that data on the external USB pen, hard, or flash drive is corrupt, which means you can’t transfer what you need between devices at all.Ĭorrupt data can be one reason your Mac won't recognize an external drive, but there are other reasons too.

It’s annoying, especially when you need to transfer something right then. However, sometimes, an external hard drive doesn't show up. Apple likes to ensure these are easy to find, so they also appear in the Finder in the left-hand column under Locations. Most of the time, when you connect an external hard drive to your Mac’s USB port, you soon see it mount on the desktop. If you don’t want to proceed with partitioning the disk, click Cancel.Īfter the operation finishes, click Done.Īfter you partition a storage device, an icon for each volume appears in both the Disk Utility sidebar and the Finder sidebar.Disk Drill brings deleted files back from the dead. If you want to proceed with partitioning the disk, click Continue. If a dialog appears that indicates it will take a long time to resize the startup volume, read the information in the dialog, then do one of the following: Read the information in the Partition Device dialog, then click Partition. Type a name for the volume in the Name field.įor MS-DOS (FAT) and ExFAT volumes, the maximum length for the volume name is 11 characters.Ĭlick the Format pop-up menu, then choose a file system format.Įnter the size or drag the resize control to increase or decrease the size of the volume. Note: If you click Add Volume instead, you can click the Add button to create an additional APFS volume in the container, or click Cancel to return to the Disk Utility window without making any changes to the storage device.