gtopf.blogg.se - Diskutil format fat32

Thus, you must specify the case-insensitive full name "ms-dos fat32". In the output table you will see that there are aliases defined by "(or) something" but there is no alias for the "FAT32" filesystem. you should know from other answers when to use sudo, how to identify your device, how to unmount your device, how to specify the label and how to verify that the disk is formatted correctly.ĭiskutil eraseDisk filesystem disklabel MBRFormat deviceįind the correct filesystem alias by listing all available options:

I will not elaborate on every bit of information, just what changes need to be made to your command e.g.

You need to determine what is the pointer to your device. To do that, run this command: sudo diskutil eraseDisk FAT32 NAME MBRFormat /dev/disk1.

In the following examples, /dev/disk1 points to the SD card (device). We want to change the device to an MBR-formatted FAT32 partition.

This solution is not relevant for newer Mac OS versions, perhaps El Capitan 10.11 and onwards.

The error may occur from Mac OS Leopard 10.5 to Yosemite 10.10.I am not sure which "older" versions produce the error, but it does occur in Snow Leopard 10.6.8 with diskutil version dated.This is an alternate solution for older Apple Mac versions where FAT32 as the filesystem type does NOT WORK as per the error above.Use diskutil listFilesystems to view a list of supported file systems $diskutil eraseDisk FAT32 MYDISKLABEL MBRFormat /dev/disk1įAT32 does not appear to be a valid file system format