mac os format usb drive fat with master boot record scheme

If the Security Options button is not available, Disk Utility cannot perform a secure erase on the storage device. Secure erase options are available only for some types of storage devices. (Optional) If available, click Security Options, use the slider to choose how many times to write over the erased data, then click OK. If the Scheme pop-up menu isn’t available, make sure you selected the storage device you want to erase-it’s at the top of the hierarchy.Ĭlick the Format pop-up menu, then choose a file system format. Ĭlick the Scheme pop-up menu, then choose GUID Partition Map. In the sidebar, select the storage device you want to erase, then click the Erase button. If you want to erase any other type of storage device: Double-click Disk Utility in the /Applications/Utilities folder.

Tip: OS X Extended (Journaled) is the default file system set by Mac OS, but it’s only natively supported on Macs. Click on the Format menu and choose either MS-DOS (FAT32) or ExFAT.

Selon la taille de la clé USB, lopération peut prendre un certain temps. Sélectionnez «Master Boot Record» pour Scheme. Click on the USB drive in the sidebar in Disk Utility. Sélectionnez «MS-DOS (FAT)» pour le format. Go to Applications>Utilities and launch Disk Utility. Name the USB drive, choose the MS-DOS (FAT) for Format, Master Boot Record for Scheme. To format a USB drive in FAT32 or exFAT: 1. Note: If you want to get your Mac ready to trade in, sell, or give away, and your computer is a Mac with Apple silicon or an Intel-based Mac with an Apple T2 Security Chip, use Erase Assistant. Select your USB flash drive on the sidebar, choose Erase.

Mac os format usb drive fat with master boot record scheme