Home > Questions

Can't Write to New/Writable USB Drive - Read-only Permission

I cannot write to my new external USB drive. I tried reformatting the USB to MS-DOS (FAT), MS-DOS (FAT32), even Mac OS extended, none of the formats made it writable. The drive is listed as 'read only'in Get Info. I tried an old writable USB drive, same problem, 'read only' permissions. I think that it's a permissions issue at my OS level not a problem on the drives. Right? Please give some help.

Best Answered by

iBoysoft author Connie Yang

Connie Yang

Answered on Tuesday, December 3, 2024

Are you the administrator of this Mac device? If not, you need to use the admin account to change the permissions to the USB drives.

Here's how to change permissions on a Mac:

  1. Right-click the USB drive.
  2. Select Get Info.
  3. Scroll down and click the arrow next to Sharing & Permissions to expand it.
  4. Click the lock icon and the bottom, and enter the admin account to unlock for changes.
  5. Click the privilege next to your user name and change "Read-only" to "Read & Write".

If you still can't write to the USB drives, it could be caused by your system errors. You can reset NVRAM or update your Mac until the issue is fixed.

People Also Ask

Read More Questions

Read More Advice From iBoysoft's Computer Experts

melhor BitLocker para Mac

Top 6 Melhores Softwares BitLocker para macOS & OS X - Lista de Verificação

Aqui estão listados os top 6 melhores softwares e guias para BitLocker para macOS & Mac OS X, que o ajudarão a escolher o melhor software BitLocker para Mac para você ler e gravar em drives encriptados com BitLocker no Mac.

Does NTFS work on Mac

MacでNTFSは動作しますか?MacでNTFSを読み書きする方法

MacでNTFSは動作しますか?ここに答えとデータを失わずにMacでNTFSに読み書きする方法が3つあります

Comment lire et écrire sur des disques NTFS sous macOS Catalina

Comment lire et écrire NTFS sur Mac Catalina ? [3 façons]

Vous voulez écrire sur NTFS sur macOS Catalina ? Voici trois façons d'activer l'accès en lecture/écriture aux lecteurs NTFS sur macOS Catalina et comment formater un lecteur en NTFS sur Mac.

Astuces NTFS pour Mac