Format a read only flash drive mac

I have been trying to think of a way to thank you for this beautiful, simple and affordable product that saved my day. Again, your product is top notch. I will definitely use this product again it will always be highly recommended to my colleagues. Thanks you again. But when I formatted it, the error message — The disk is write-protected appeared. Any advice will be appreciated! It is common that users encountered with the disk being read only write-protected problem during formatting.


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If you need to format read only write-protected USB drive, you can remove write protection from it using the following tricks at first. If your USB drive is with such tab, check the position of the lock tab and make sure it is on unlock position. Then, you can format the USB drive.

If your USB drive is without such tab, skip this method.

How to Format Read-only USB Drive Successfully?

To fix disk is write-protected issue, you can check the properties of the USB drive via Diskpart at first. The steps are listed as follows:. Then, you are able to format the USB drive successfully. If not, you can edit the Windows Registry key to disable write protection. Most of the external hard disks and flash drives are formatted for Microsoft Windows operating systems. That makes using the drive a bit troublesome on Mac machines. Hope the above guide is helpful to you.

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Influenced by the startup culture in the Silicon Valley, Jessica loves building things from zero to one and is keen on following news related to the Big Five tech giants and many SaaS startups. Mine can only be formatted in NTFS. Thank you Jessica for the informative article.

The article was easy to read and understand. The screen shots also helped. I sent my mother to your article since she is new to Mac OS. Good job once again, and keep informing us Novices. I have reformatted a Sandisk usb 2. I have a Mac I exported a screenflick movie to it.

How to Check a Drive’s File System

Afterwards the usb stick is not recognized by the mac. Now what? With the latest High Sierra on mac the ex-fat files system is not recognised on many devices, have had to return to fat 32 to use my memory sticks. Also files sizes over 2gb are also rejected. Tried 4 times, each time it came back Mac OS Extended journaled. Jessica, Thank you so much for the clarity and helpfulness of this article, your selflessness is an example to us all.

pierreducalvet.ca/183977.php What do you recommend for this? Thanks for the great article, very useful. Instead of reformatting it all the time, just use the much more platform-independent exFAT and never format it again.

Your Answer

You can always install drivers for those other OSes , but that doesn't help when you're sharing files with your friends' computers. Besides, it's kind of a hassle.

The exFAT file system is a much simpler option. Essentially, it's a file system that's both readable and writable on any modern Mac or Windows machine sorry, Leopard users. All you need to do is format the drive on a Windows machine and you're good to go.

Quick Tip: Solving "Read Only" External Drive Problems on Your Mac