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I'm having an issue with my macbook pro running OS X 10.6: when I go to create a new folder from the finder the "New Folder" option is completely disabled.

The finder help points to a permissions problem, but when I click on the parent folder and hit permissions I see that I'm the owner (the info box even helpfully says "(me)"), and that I have read and write access.

As a workaround I'm creating folders from the command line using mkdir (with the same account), but I'd like to be able to do this graphically.

Any ideas?

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3 Answers 3

up vote 1 down vote accepted

Do you see this icon in the corner of the window?

nowrite

If so, that does indicate that you can't write to the folder.

You might try running Repair Permissions in Disk Utility (click on the disk, then First Aid > Verify/Repair Disk Permissions).

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That icon is indeed there. I ran repair permissions and it appeared to do a bunch of stuff, but unfortunately the icon remained. I'm going to run "verify permissions" now and see what happens. thanks! –  Simon Jul 29 '10 at 5:02
    
When you check the permissions via Get Info, try looking at the folder you're trying to create a folder in, not the one above it (unless that's what you were doing...) –  jtbandes Jul 29 '10 at 5:13
    
I spoke too soon, I ran verify and then fix and it worked! THANKS!!! –  Simon Jul 29 '10 at 5:41

Is this folder on some form of external device? Sometimes you may plug in some device, such as a flash disk or memory card or external hard drive that has one of two circmstances:

1) The device itself is write protected, which means that though you have the "permission" based on Mac permissions, the device itself has been mounted as Read-Only.

2) The device is of a filesystem type not supported for Read-Write by OS X. Again, you can see it, but you won't be able to perform write operations, such as creating a new folder.

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Oh sorry I wasn't clear - this is my macbook pro's primary hard drive. –  Simon Jul 29 '10 at 4:26

If you can write to the folder in Terminal as yourself without sudo but not in Finder it sounds like Finder is crashed.

If you run ls -lR $problemfolder what do you see?

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I assume you mean the permissions - they are: drwxr-xr-x and I am the owner of the folder. –  Simon Jul 29 '10 at 4:25

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