How do I restore my USB to full capacity on Mac?
On Mac OS X & macOS:
- Connect the wrong-size USB flash drive to your Mac.
- Go to Applications > Utilities > Double click and open Disk Utility.
- Select your USB flash drive on the sidebar, choose Erase.
- Rename the USB flash drive, choose the format as MS-DOS (FAT) for Format, Master Boot Record for Scheme.
Why does my empty USB say its full Mac?
If you’re absolutely sure you have adequate space on your flash drive (you can see how much is available when you look at your drive in My Computer or by clicking the drive in Mac and checking under “Get Info” beneath “File”), then the problem is a either formatting, hidden files, user error, or over-provisioning.
How do I reset my USB on a Mac?
1 Format a USB Drive with a Mac
- Insert a USB drive into your USB port.
- macOS will recognize the drive and show its icon on the desktop.
- Launch Disk Utility.
- Select your USB drive from the list on the left.
- Select Erase at the top.
- Type in a Name for the drive, then select a Format.
Why is my 32GB flash drive actually 29.8 GB?
It’s because of bad advertising. Companies advertise as “32GB” which isn’t actually 32GB. 32GB is *supposed* to be 34,359,738,368 bytes, not 32,000,000,000. The reason it registers as 29.8 GB is because that’s what 32,000,000,000 bytes are.
Why does my USB flash drive have the wrong capacity?
Nonetheless, they are not the unique troubleshooting for all cases of the USB drive showing the wrong capacity. As some bad sectors or corruption issues will also cause the flash drive, memory card or external hard drive not showing its original size, it might help to fix corrupted USB flash drive using CMD.
How to erase a wrong size USB flash drive?
Step 1. Connect the wrong-size USB flash drive to your Mac. Step 2. Go to Applications > Utilities > Double click and open Disk Utility. Step 3. Select your USB flash drive on the sidebar, choose Erase. Step 4. Rename the USB flash drive, choose the format as MS-DOS (FAT) for Format, Master Boot Record for Scheme. Then click Erase.
How to erase a USB flash drive on a Mac?
On Mac OS X & macOS: 1 Connect the wrong-size USB flash drive to your Mac. 2 Go to Applications > Utilities > Double click and open Disk Utility. 3 Select your USB flash drive on the sidebar, choose Erase. 4 Rename the USB flash drive, choose the format as MS-DOS (FAT) for Format, Master Boot Record for Scheme. Then click Erase.
What to do when your USB drive is incorrect size?
Don’t panic, when your USB drive size is showing incorrect, your drive still has the initial amount of memory space until you come up with an idea to restore USB stick to full capacity. First of all, you must figure out when and why you’ll see an incorrect USB drive size.