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Write access to mass storage on Mac

Older Acomdata USB 2.0 device has only read access as system administrator on a macbook pro running 10X.  Can not find way to modify ownership to write access

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If the drive is mounted on your desktop single click on the drive icon. Press option 'i' keys to get the info about the drive.

The permissions will be listed in the window. As administrator you should be able to unlock the drive and change the permissions from here or if you have admin rights as the user you should be able to do the same.

If for some reason you are unable to do this you might have to reformat the drive. In this case copy the files you need on the drive off onto you mac and reformat the drive with the apple utility. You might have to change the permission on the files you take off the drive. You do the same thing as with the drive.

Paul

Posted on Sep 08, 2008

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6ya6ya
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Posted on Jan 02, 2017

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I have the hard drive in an external usb mass storage device when I click on it it says Q: access denied


You will have to be the computer administrator to change any values or gain access on any hard drive

click start control panel user accounts you should see a box with the administrator and the guest account if you have made one click on the administrator this may vary depending on which operating system you have

click start click to open on my computer you should see your hard drive usually C: right click select properties there will be an array of options select the security tab option then advanced make sure you have full control in windows 7

click start control panel user accounts click on the administrators account if you have made one or you will have to create one in windows XP

USB drives can be write-protected by modifying the StoreageDevicePolicies Registry key and WriteProtect Registry value.
click Start>run>regedit to open Registry Editor. and press control+F to open the find dialogue box and type "usb device" or "driverdesc" to open usb mass storage device or type "usb mass storage device" in the search windows. And right click on it and delete. This will set the policy value to 0. then insert your usb device. It will work fine.
# Remember: do not delete any unknow files in the registry as this will make some programes not work as usual.

also
If you are running a Windows XP OS then you might be able to:
- click start right click on my computer select open
- Right click the icon of your Flash Drive (It should be F:/ or something)
- Click Properties in the menu that comes up
- Click the Sharing tab
- Click permissions
- And finally, click Allow next to Full Control.
hope this helps

Jun 25, 2011 | Western Digital WD Scorpio Blue WD2500BEVT...

1 Answer

Blackberry curve 8330 cellphone will not show up as connected when connected with USB cable to my macbook pro. One suggestion to solve this was to turn off MTP setting. Where is this setting found?


Hello!

You must enable Mass Storage on the device.

Go to Options -> Memory -> Mass Storage Support. Make sure the field is enabled.

Try again and see if it pops up on your Mac. If it doesn't, go to the Blackberry website and download the Blackberry Desktop software. Try connecting through that.

Hope this helps!

Apr 13, 2011 | Computers & Internet

2 Answers

Hi, my macbook stopped reading my HD and I was wondering how I can get my files off the HD and back them up on my computer


First determine if problem is with your macbook or the drive. Does the drive work on any other computers? If not, then the problem is either the drive or the Acomdata enclosure holding the drive. You'll need to get a usb HDD dock, extract the harddrive from your Acomdata drive and plug the drive into the HDD dock. If your mac is still unable to read the drive, the drive itself is probably not working anymore. If you're a novice and have never attempted data recovery before, I would recommend a data recovery service if it is important that you recover your files. If the the problem is with the drive, there may still be a good chance your files can be recovered but only if you know what you're doing. You don't want to run the risk of ruining that chance and attempt this yourself if you don't have the proper tools or knowledge.

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1 Answer

My Lacie hard drive worked perfectly for a period of time. I use it to make films and store all my files and final work on it. It now no longer appears on my desktop and I cannot access it in any way. ...


> it does NOT show on ... Macbook Pro running OS X 10.6.4
> it DOES mount up on older computers running older versions of OS X
> Lacie ... said there was no problem

So, the problem is "local" to ONE of your computers.
Be sure that your computer is connected to AC power, not running solely on its battery.

Try some other USB device in the USB port, to confirm that the USB port is working.

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1 Answer

I am trying to trasfer a large amount of files from my macbook to a dell laptop. The mac will recognize the drive and i am able to backup and save files onto it, however when i plug the drive into the...


The problem most likely is the Dell does not recognize the MAC file format (HPFS), but the MAC will recognize the PC's FAT 32 file system.
First format the USB mass storage device using the Dell, format this device in FAT 32 not in NTFS because the MAC can read and write/copy PC format files but the Dell/PC cannot read MAC format files.
Then Safely remove this device, connect it to the MAC and copy the files onto this drive. When you connect this device to the Dell, you will be able to see the files.
Have fun.

Aug 13, 2010 | Iomega Computers & Internet

1 Answer

Download tata indicom 1*usb modem installer for macbook pro


TATA Indicom's installation was pretty easy as they provide the modem
drives for mac. But the guys from Indicom may try hard to convince you
that Plug2Surf does not work and mac and you need their dialer to
connect to the internet.

1. Download the Mac Drivers for Qualcomm CDMA MSM modem.
2. The zip file you downloaded has to be unzipped. You'll see two
files inside, one for the Newer Intel x86 Macs and other one for the
Older PowerPC Macs. Open the appropriate installation (.pkg) file.
(Note : Unplug the device before opening the file.)
3. Click Continue.
4. In the next window, "Continue" after the reading the license and
then click "Install" .
6. Now open System Preferences > Network. You'll see "Qualcomm CDMA
Technologies MSM" on the left side bar (or it pops up a window, that
it has found it). Click on it.
7. Type Telephone No #777 , Account Name and Password both internet.
8. Click on "Advanced" > Select Vendor : Generic and Modem : Dialup
Device. Click "OK"
9. Your Done! The "Connect" button should be clickable now and will
connect to the Indicom service once clicked.

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2 Answers

3 computers in the house ? 2 are PC?s the other is a Macbook Pro running Leopard. The house is running a wireless router - a Netgear Range Max WPN824 V3 Using a password for the router works fine for all...


Please check the router permissions.Because when you are using a password,,,that means you are applying certain permissions to the router to access external devices.Please check

Feb 19, 2010 | Apple MacBook Mac Notebook

1 Answer

I have the western digital media player and it won't read my hard drive


Segate free agent External hard drive not recognizing as a drive
Although in device manager mass storage device is taken as drive for that.
one pop-up is coming "your usb could perform better in usb 2.0
operating system server 2003.
the same hard drive is working fine with windows XP system,but not working with server.

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About Sigmatel S3


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1 Answer

ACOMDATA 250


I have the very same problem than the one posted by gyoung826 on Aug 14, 2008. My HD is an Acomdata 160 GB, HybriDrive 2,5

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