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HELP!!! I have the 1.5 TG external hard drive and it no longer is showing up on my desktop. I have an old mac and it has been working great up until now. It simply spins and spins, fan is running, light is on, but the icon never appears on my desktop. I HAVE A RIDICULOUSLY HUGE AMOUNT OF IRREPLACEABLE RECORDINGS I HAVE MADE IN MY HOME STUDIO ON IT. Please help??

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Hi.

To start ensure that the hard drive is faulty. Test the hard disk by connecting it to a different Mac or Windows computer.

If no computer is available cut power to Mac and USB disk. by draining power you can fix some problem. Also remove battery if you have a notebook. Wait ten minutes, connect everything back to power. Connect first power cords and start Mac and disk, then connect USB cable.

If that does not work try also updating Mac OS.

If it is possible test the disk on different computers, this will save you from doing all the procedure descripted above. If the disk does not work on more than one computer, then problem is the disk and you do not need to reinstall Mac OS. Do the same the power drain, just in case.

If you find out that disk is faulty, then you still have some hope. External hard drives are made of two essential parts:

  1. The case that includes a small control board.
  2. The internal Hard Disk.
If the problem is the internal control board, and the hard drive is still good, you can install the hard drive in a different enclosure.

You will need a SATA enclosure for this disk. Depending on physical size of the hard drive the enclosure can be 2.5 or 3.5 inches.

Note: If the hard disk makes whirring and clicking sound all the time, then problem may be the internal disk heads.
If all the above does not work, then problem is internal hard disk mechanical failure or hard disk internal board (the one mounted at the base of HDD failure.
In that case fixing the hard drive is still possible but quite expensive, and there is no 100% warranty of succeeding.
The recovery job is done in protected environment, using a facility called clean room.

Here a UK company with clean room.

Here US: Hard Drive Recovery Group

Here AU: Class-100 Data Recovery Clean Room

Posted on Sep 16, 2010

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Tip

Formatting an external hard drive with Mac OS X's Disk Utility


Formatting your new external hard drive is not as difficult as you may think. In fact, you don't even have to be a computer techie or uber-Mac geek to perform this procedure successfully.

The tool you would use, to format your drive within your Mac OS X system, is the built-in utility application called Disk Utility.

Disk Utility is Apple Inc.'s defacto utility application, for performing disk related tasks within the Mac OS X volume.

47fc804.png

From creating new images, to burning CDs and DVDs to formatting hard drives, Disk Utility performs well enough to keep not only your Mac OS X volume on your hard drive error free, but keep your hard drive healthy and error-free as well.

I could go on in detail, admirably describing more features of this versatile Mac OS X tool, but the purpose of this FixYa tip, is to show you how to easily format your external hard drive. So that is where I will take you now.
-----------------------------------------------------------------------------------------------
There are generally two formats in Disk Utility that you can use to effectively format your hard drive.

Mac OS Extended (Journaled) - if you want a Mac readable hard drive only

MS-DOS (FAT 32) - If you want your external hard drive to be read by both Mac and PC.

-----------------------------------------------------------------------------------------------
--STEPS FOR FORMATTING YOUR HARD DRIVE WITH DISK UTILITY--
-----------------------------------------------------------------------------------------------
• First, make sure your external hard drive is connected securely to your Mac and is turned on.

•Next, from your desktop, click anywhere on a blank space on your desktop. Now you should see Finder listed near the Apple menu icon.

• From the Finder menu, click on Go, then Utilities from the
drop-down menu. This will take you to your Utilities* folder.

(*You can also get to the Disk Utility application via Applications > Utilities folder)

• Now, locate and launch the Disk Utility application.

When Disk Utility opens you will see a left side window, which will show
all connected hard drives and optical drives. It is here that you
should see your external hard drive listed in that window.

bdf4c64.png



• When you locate it, simply select it and then select Partition
from the tabs on the right hand side.

a11d5a9.png

• Change the Volume Scheme from Current to 1 Partition

• Make sure to provide a name for your new external hard drive.

• Select Mac OS Extended (Journaled) from the Format
drop down menu, for a bootable Mac only external hard drive.

• Or select MS-DOS from the Format drop down menu, for a bootable Mac & PC external hard drive.

From there, click the Options button, located toward the bottom of
your window.


This will open a partition scheme selection window as seen in this screen shot:

04286c5.png


• Select GUID Partition Table for bootability on a Intel processor based
Mac.

• Or select the Apple Partition Map for bootability on a PowerPC based Mac.

• Click the OK button.

Finally, click the Partition button and allow Disk Utility to format your new external hard drive.

When this process is complete, you now have a newly formatted, ready to use hard drive.

Believe it or not, this process can be completed faster than you think.
Using this method with Disk Utility, I was able to format my new 1TB Iomega USB external in less than 20 minutes.
-----------------------------------------------------------------------------------------------
Final Note:
I used the external hard drive as the focus for showing you how to format and prepare your hard drive for use on your Mac, but this feature can also work with internal hard drives as well.
-----------------------------------------------------------------------------------------------
For more information about some of the disk repairing features of Disk Utility, here is a great support link for this nifty and quite effective Apple utility for the Mac OS X platforms:

Using Disk Utility to repair a disk

-----------------------------------------------------------------------------------------------

Thanks for reviewing my Mac OS X Tip!

Regards,

-Mactechtrainer


on Feb 11, 2010 | Computers & Internet

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It;'s not a great Idea flipping the mac over they have a special stand to put them on when working on them. But it should be able to cope with it. Your mac is relatively old now. With all the moving around it could have just given up the ghost.

They are quite tricky to work on with the hard drive sitting on top and the cables running over and down the side there is a stack of heat generated there. Just make sure you put ll the thermal back in. If it's not a miss seated connection it could be a number of things. Cable, heads. Trouble shooting is quite tricky. As it is a desktop, in a lot of cases it is cheaper to buy an external DVD reader/writer. They are faster now!

You should be able to install OK when it is in terminal mode. You could run disk utility but more than likely you'll have to run the installation again.

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If it is possible could you try it on another machine either another mac or a windows based pc.

If it is recognised on a windows pc (you wont be able to access any data though), you can, within reason assume that the mac is at fault somewhere.

Unfortunatley I dont know much about Mac's, but is there some kind of device manager that shows what hardware is installed? It could be worth checking to see if there are any errors on the HDD side of it, try deleting any references to the MyBook if there is any, then plugging it back in.

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