Question about Western Digital My Book Essential 500GB External USB 2.0 - WDH1U5000N 500 GB Hard Drive

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My external hard drive suddenly won't show up in Finder

There used to be no problem using my external hard drive on Mac OSX but suddenly it won't recognize it and nothing has helped.

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Hello

Okay , so there are some steps to figure out what is wrong with your external.

Firstly , if your computer makes a sound when you plug in your external , go to Start-Control Panel-Administrative Tools-Computer Management-Disk Management , and see if your external drive is listed here with your local drives. If it is listed , right click on the drive and change the drive letter to make it appear in "my computer".

If your drive does not make a connection sound when connecting to your computer and also does not show up , please follow the next step.

Remove the hard drive from the casing if possible and install it in your computer case or another external case.If the drive works , the problem is with the casing and you can ignore the drive.

Now , if the problem is with the casing , there are still 3 possibilities.

  1. The USB cable between the drive and the computer may be damaged.
  2. The circuit board which connects your drive to the interface of the external may be blown.
  3. The power supply (if applicable) may have a blown transformer.
The latter is the easiest to diagnose , does your external light up at all when you plug in the power? If not , then this is probably your problem. On the bottom of the adapter is a label which you will be able to use to have a new adapter made at your local electronics shop and this will cost about $30 max. They will also be able to test the adapter with a clamp meter to see if this is really the problem and this should be free.

The second component you want to test is the USB cable. If you have a printer , swop out the cables and see if your printer functions normally. Most externals use the same connector so you should be able to test it in this manner. If the cable works go on to the last step. If the cable is defective , replace it with a new one which you can find for about $10 at most electronics and chain stores.

The last component to test is the circuit board. This is a bit of a grey zone as you probably won't be able to spot the blown component unless it failed really badly. With the casing already opened , locate the external's circuit board and check to see if you have any blackened components or fluids leaking from some components. If all the other components of the external worked perfectly , then this is the faulty part. It is not really economical to replace the circuit as most of the time it is out of production by the time you need to replace it and it still costs a lot even if it is available so if your drive is working perfectly when connected via sata or IDE on your computer , the best is to buy a new casing and place your old drive in the new casing.

A casing costs about $50 and you could get it at most tech shops and big chain stores like Best Buy.

I hope this solves your problem and please reply if you need more help.

Kind Regards
Andrea

Posted on Sep 29, 2010

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Mac error 2066


Hi Taylor
I have been dealing with Mac's for over 20 years. Bought my first in 1984. The point being..... even if I gave you the description of the 2066 error, it would mean very little to you. It doesn't help.
It's more important to know which model you have, what OS (Operating System) you are running and what you were doing or what program you are running when the fault occurs!
Problems like your having do crop up, especially on Laptops because the internal hard drive gets bumped and corrupts data.
Depending on what data gets corrupted as to what the Error is.
Bottom line is, the machine needs some service about every 1-2 years to eliminate problems creeping in.
But.... You have a Mac.... So It's pretty straight forward really!
I have been using the following method for years.... SO.....
The best advice I could give you is....
Purchase an external 3.5" Hard Drive.(more robust than 2.5" pocket drives) About 1 TerraByte should do.
If you have a FireWire Port on your Mac then get a Hard Drive with a FireWire connector on the back... its faster,
Otherwise use the USB Port. (USB 3 Better)
Use the DiskUtility Program to Format the External Drive to Mac OS Extended (Journaled)...... Name the Drive something like "External Drive"........Now its ready for use.
Go on-line and download CCC (Carbon Copy Cloner)
(www.bombich.com/download.html)
Use this to make a Clone of your current Internal Hard Drive (Source in ccc) to the external Hard drive (Destination in ccc) This will take some time depending on size & content of your internal drive. Fifteen minutes to an hour.
Once completed, you should prove that the Clone is good by BOOTING from it. Restart & hold OPTION KEY DOWN & choose your new external drive. Once booted from external "Clone" you know for sure that the clone is a fully functional copy of your internal hard drive. Change the Desktop Picture in System Preferences so that it's different to your existing system. This is to avoid getting mixed up between Booted Systems (clones look the same)
The System Preferences / Startup Disk is also a useful tool here.
Now that you have a fully functional working bootable copy ("Clone") of your hard drive, you are SAFE from loosing any of your personal data. I make a new clone every few months to be Safe.
Now..... To rid yourself of all bugs & errors & faults and defragment your hard drive & update to a better (newer) version of the OS
ALL IN ONE HIT. and end up with a clean computer just like you originally bought. All you have to do is wipe your internal hard drive of everything. That is...ReFormat it with Disk Utility
(external drive unplugged for safety).
Then re INSTALL (takes about 20 minutes) a new clean (updated version) of the OSX. This is now free from Apple Downloads. e.g. OSX 9.1.2 (Maverics)
Then you can do one of 2 things.
Re enter all your details & passwords & Apple ID & Network details when prompted after re booting the new installed OSX OR
Choose Migration Assistant to put all of your stuff back in place like it was before you started. This usually works fine BUT it can put back faulty Apps etc that were causing problems before, so be choosy in what you put back (it allows you to select items)
Obviously it would be wise to have already downloaded the newest OSX for your Mac first. And even do a practice install on the external drive to see how the install process works.
FOR EXAMPLE
You could partition your new External Hard Drive into 2 Partitions of say 500GB each. One for your "CLONE" and one to experiment with the Install OSX Process.
You could even set up the New External Hard Drive with the New OSX e.g. OSX 9.1.2 (Maverics) first then "Migrate" all your old software back on to this drive. Boot the drive & test it for faults etc. Try for a couple of days. Then Re Clone it with CCC back to your Internal Hard Drive for permanent daily use.
It's up to you.... But having an external CLONE gives you so many advantages. You are using Apple Technology and ease of use here! So it's easy to do all this. Think yourself lucky, PC People would very rarely consider doing this with Windoz because it's just too difficult!
Good Luck
Trevor

Jul 14, 2014 | Computers & Internet

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

1 Answer

How can i get for free the install disc


  • Hi Angel
    Apple don't put their OS on DVD any more. It's usually downloaded directly from the internet. But, if you live near an Apple Store you could take a USB Memory Stick in the shop and one of the guys could download the installer to the stick.
    You could also try downloading from here www.fenopy.se/?keyword=Mac+OSX+10.5
    If your machine can handle it (CPU 2.4 GHz Intel Core 2 Duo
    or better), get the latest OSX 10.9 Maverics.
    It's now available for free.
    But you may need to use a friends Mac to download off the internet!
    You can also make a bootable USB 32GB memory stick to assist.
    Here www.fenopy.se/?keyword=USB+OSX
    See OSX Lion 10 7 3 USB STick Creator
    To find out more about your Mac Model and all of its capabilities... download a copy of MacTracker.
    Here... www.macupdate.com/app/mac/5968/mactracker
    These days you really must have an external hard drive of at least 1TB or so to keep copies of your files on. Partition the drive into 2or3 parts and keep one (60GB) as a clean OSX emergency boot.
    I always use Carbon Copy Cloner to make a bootable "CLONE" of my PowerBook on my external drive.. That way if you ever get into boot problems you just connect the external boot disk, Restart the Mac, then hold the option key down and choose the external OSX Boot drive that you want to restart from. Then you use the Disk Utility program to fix Permissions & Test your internal Hard Drive.
    I make a "CLONE" at least once a year then test that it boots then I wipe (Format) my internal HD and install clean updated OSX. Reboot and choose the Migration Assistant to put all my data back from the Clone I made.
    Have been doing this for years now. Keeps the Mac software in prime condition.
    Hope All That Makes Sense
    Cheers

May 18, 2014 | Apple Mac OS X v10.5 Leopard

1 Answer

WD external hard drive mac


Sounds like your external drive might be bad. Try connecting it to another system and see what happens. If you can't get to read data on another system, the drive is bad.

May 29, 2012 | Western Digital My Book Essential Edition...

1 Answer

I was able to use my Hitachi xl 1000 external hard drive on my computer and I wanted to be able to use it for my Macbook Pro as well but as soon as I used it for Time Machine Backup I wasn't able to use it...


If the MAC formats the external hard drive then the desktop cannot see any files on the hard disk even though it detects the external hard drive.
If you format the external hard drive using the Desktop computer and format it in FAT32 then the MAC can read and write to this hard drive and the desktop PC can also read and write to the external hard drive.
MAC computers can read and write on PC formatted disks but not the other way around.

Jun 29, 2010 | Computers & Internet

1 Answer

My mac is showing me a grey screen with a flashing folder icon in the middle alternating the finder icon and a question mark.I dont have the osx disc


Hi there,
The flashing folder icon is telling you that your Mac cannot locate a working operating system to startup.

You may be having a software problem that is keeping your Mac from recognizing your operating system, or a hardware problem that is keeping your Mac from connecting to your hard drive (where the operating system lives).
Since you don't have access to a CD/DVD of the Mac operating system, ff you have an external hard drive with a working operating system on it, try connecting it to your Mac with FireWire and startup the computer holding down these keys: Command (Apple) +option+shift+delete. This will force the Mac to attempt to startup from the external drive.
If none of these things work, we would be glad to help at TechRestore. You can use coupon code "TWEET" for $10 off any drive replacement service. We offer free shipping options and local pickup in your neighborhood. http://techrestore.com
Hope this helps!
TechRestore

Oct 01, 2009 | Apple iBook G4 1GHz 256mb 40GB Combo 14"...

1 Answer

Running mac osx my acomdata external drive lights


This is the solution that worked for me.
Luckily I have another external drive of the exact same model that is working fine.
I used the power supply from the good working model and plugged it into the bad drive. The bad drive booted right up. Evidently the power supply was the issue, not the drive itself.
Even though the bad power supply had enough juice to light up the drive, it was not able to make the drive spin correctly.

Mar 25, 2009 | Acomdata E5 (HD250FE572) 256 GB Hard Drive

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