Mac memory stick read only

Owner is 99; can't change that.. Is there some way I can change the permissions in terminal? This is a bummer, losing write access to a GB drive! I guess I could copy all the data off and reformat but.. July 5th, 4.

External hard drive shows read-only after Mojave update, how to fix?

Distro Xubuntu What filesystem did you use? NTFS, Fat32? Open a terminal window, plug in the device, then type: Code:. July 5th, 5. Owner is July 5th, 6. Originally Posted by bdentremont. I'm not sure I like the 99 thing. If I mount a drive, it comes up as owned by my user name, not number. Method 1.

How do I remove read only from a USB memory stick? | Tom's Hardware Forum

Check if the drive has a write-protect switch. If it does, just switch it off, then you can proceed with formatting. If not, continue to the next step. This opens the Run dialog. Type diskpart and click OK.


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This opens a terminal window displaying a command prompt. This lists the drives connected to the computer, including those inside. Find the number of your USB drive.

2. If You Need a One-Time Fix

The drives are labeled Disk 0, Disk 1, Disk 2, etc. You can tell from the size which one is the USB drive. Replace [number] with the number next to your USB drive e. Select Disk 1. This removes the write protection attribute on the drive.


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  8. This erases the data on the drive. This creates a new partition so you can format the drive. This displays the files and drives on your PC. Scroll down the left column and right-click the USB drive. It should be near the bottom of the column. A context menu will appear.

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    Click Format…. Ubuntu Community Ask! Home Questions Tags Users Unanswered. Here's what I've tried so far. The device mounts fine, but won't copy files I've tried using other USBs that already have files. Some data may be corrupt. Please run fsck. Can anyone help me before I smash my computer into pieces and move to fedora? Seanny 4 4 silver badges 14 14 bronze badges.

    Mookey Mookey 2, 11 11 gold badges 28 28 silver badges 55 55 bronze badges. I think I did something right, cause now it works.

    Problem with Copy/Paste files onto USB flash drive on Mac , how to fix

    I umnounted and did the step 8, and now every USB works. But there must have been a glitch, cause it had applied to all the USBs I have. Marcellus Marcellus 2 2 silver badges 9 9 bronze badges. Thanks, I got it fixed and this link will serve as future reference for potential USB issues. I'm accepting it.

    Doesn't work. I'll just get used to throwing usb keys in the trash.