Choose how you would like to format the drive Select the upper level of the drive you would like to format and click the Erase buttonĤ. In the top menu bar, go to View, and choose Show All Devicesģ. Please See Answer 20985: How to access Disk Utility macOSĢ. Instructions below are for 10.13.x (High Sierra)ġ. Select this capacity.Ħ. Verify Volume Format is set to MS-DOS file system or exFAT, Scheme is set to “Master Boot Record” ( Do NOT select GUID Partition Map) then click Erase. Select the capacity of the drive respective to the one containing the device you wish to format then click the Erase tab.Įxample: If the drive is called 'NO NAME', directly above that, you should see the drive capacity of 'XXXX'.

On the left side of the window are the drives connected to the computer. Click the Applications folder - if using a Finder Window Applications will be in the left side menu.ĥ. Double-click on Macintosh HD - or in the Finder menu click File > New Finder WindowĢ. Instructions below are for 10.11.x (El Capitan) and 10.12.x (Sierra)ġ. WARNING: Formatting will erase all data on the device.