Screenshot by Matt Elliott/CNET With your partition selected, click the Erase button at the top of Disk Utility. This will bring up a window with an Erase button. Click Erase and then click Done. Step 2: Remove partition With the data erased from your partition, you still need to delete the now-empty partition in order to reallocate its space to the rest of your hard drive. Screenshot by Matt Elliott/CNET To do so, select your hard drive from the left panel and then click the Partition button at the top of Disk Utility.
Open Disk Utility, where you should see the list of volumes (partitions) for each drive on your Mac. Select the drive you want to hide, and press Command-i to get information on it. Resize the info window that appears to reveal the entire Universal Unique Identifier (UUID) for the drive, and then select and copy the entire UUID.
On the pie graph on the left, click the wedge that represents the partition you just erased. Click the ' -' button and then click Apply.
After a minute or so, Disk Utility will finish applying changes to your drive and deem the operation successful. Click Done to complete your work here. Micorsoft word shortcut for equation mac.