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Can't find my harddrive

My external worked fine for about a year, but this past week, my powerbook no longer sees it. I've been using the firewire 800 connection and also tried the 400 connection, neither works. When I plug it in and turn it on, the lights still turn on. So it seems like the harddrive works and that it recognizes it is plugged in but my computer doesn't show it and I can't access files from it. Any advice would be greatly appreciated.

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  • squeak50 Jan 17, 2008

    I installed a new keyboard & mouse I had to cut the computer off while I hooked them up. When I turned back on my computer my external drive did not come on. I haven't had my 250 GB lacie for one year all my music and writings and pictures is on that drive please if anynone can help I be so grateful.

    thank you


  • Anonymous Feb 27, 2008

    My computer is no longer recognizing my external hard drive. I am afraid it was not ejected properly.

  • matttomalexa Aug 27, 2008

    Same problem.  Please send solution to

  • Edy-Maxtor Nov 26, 2008

    My computer running Windows XP is no longer recognizing my external hard driveMaxtor One Touch II. I am afraid it was not ejected properly.

    The drive is working properly on another PC

  • solankichait Apr 19, 2009

    I have 160 simple tech external hardrive but it doesn't work in window xp. When I plugin wire than My computer doesn't show up files.



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Hey, i seem to be having a similar problem. i'm sorry i dont have any answers for you, but if you've found any answers please email me at

Posted on Jan 16, 2008


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My external hd (fantom titanium) doesn't regularly open on my mac suddenly


Inside the case of that Fantom is a regular harddrive.

Also inside that outer case is a small circuit board, that either the harddrive plugs directly into it; or there is an interface block the harddrive plugs into, and there are wires from it, that connect to the small circuit board.

(The USB cable is connected to the small circuit board)

It is this small circuit board that usually goes bad.

My suggestion is to remove the harddrive inside, purchase an economical external enclosure, and install the harddrive in it.
Have your harddrive back, and be able to use it as an external harddrive again also.

The Harddrive Inside:
Harddrives are measured by their Width.
A laptop harddrive is 2.5 inches across in width. (2-1/2 inches)
A desktop harddrive is 3.5 inches.

The Fantom Titanium II 500GB's harddrive inside, is 3.5 inches,

Details > Physical Spec > Form Factor > 3.5

What I can't tell you is whether it is an IDE (PATA) harddrive, or a SATA harddrive.
However this external enclosure for 3.5 inch harddrives, is for both IDE, (PATA), and SATA harddrives,

[ You can also look at the label on the harddrive, and look up it's model number online, to see if it is IDE or SATA. Just type the model number in your search bar ]

Just want to include information on IDE (PATA), and SATA, in case you are interested,




Jul 27, 2012 | Fantom Titanium II (TFD500C16) 500 GB USB...

1 Answer

I want to retrieve data from a Powerbook 3400c via ethernet. I have a Macbook Pro running Snow Leopard and an iMac running OS10.4

I think the 3400c has a Firewire port, which would allow it to startup in "target disk mode" where it would be just like an external hard drive. That is, hold T at startup to get TDM. I have a Pismo with Firewire but I think the color 3400 is older.
With MacBooks and OS10.5 or later (you are at 10.6) you can do this with USB, also. So it might use the MacBook as the external drive of the PowerBook to transfer files in Finder.
Otherwise, you can turn on AppleShare on both and use Ethernet to transfer files slower.

Apr 11, 2010 | Apple PowerBook 3400C Mac Notebook

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How do i back up a power book g4? What application do I need to do the back up?

If you want a stand alone backup solution, you can download a free program called "Carbon Copy Cloner" and purchase a USB 2.0 external hard drive. You can use the CCC software to backup the entire contents of your Powerbook's hard drive or just selected files to the external USB hard drive.

If your Powerbook is unable to boot into OS X and you need to recover the files that are on the internal hard drive, you can boot the Powerbook into "Target Disk Mode" and transfer the files via firewire cable to another Mac. To do this do the following.
  1. With both Macs off connect them with a firewire cable.
  2. Turn on the Powerbook and hold down the "T" during startup.
  3. Once the large icon shows up on screen your in "TDM".
  4. Turn on the other Mac and login to your account.
  5. The Powerbook's hard drive should mount on your desktop.
  6. You'll be able to transfer your files from the Powerbook's hard drive just like you would an external hard drive, thumb drive, etc.

Don't forget to vote and leave us some feedback. :)
Thank you,
Scott Computer Services

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1 Answer

Having a similar problem with the La Cie 500gb. Powerbook G4.

The problem that has been inherent with all LaCie external harddrives, is the interface in the case itself.

All external harddrives have a Style of harddrive that is used in a laptop, or one that is used in a desktop computer.
Laptop harddrives are 2-1/2 inches across in width.
Desktops are 3-1/2 inches across.
Your LaCie will have a 3.5, (3-1/2) inch desktop style harddrive, inside the case.

There are two main Types of harddrives.
IDE and SATA. (There is also a newcomer. SSD. SSD isn't being used in LaCie external harddrives at the moment, to my knowledge)

Your LaCie will use a SATA harddrive inside it.
This is an example of an average SATA harddrive,
The photo of this harddrive is tilted at an angle, that doesn't readily show the interface connection, but it helps to explain.

At the bottom of this harddrive in the photo, and to the left, is the interface area.

Viewing the harddrive, look at the four metal pins on the extreme right of the harddrive. To the left of these pins is the Jumper pin area. (Has a white jumper on two of those pins)

To the left of the Jumper area is an opening, and to the left of that, is a long slot. The first small slot area is for the 7-pin Interface cable.
(Data cable) The next slot to the left, is for the 15-pin power cable.

This 7-pin Interface mates up to socket holes in a connector, of the case of the LaCie external harddrive.

It is this interface connector, inside the LaCie external harddrive case, that is the problem.
Buy a quality, in-expensive External Enclosure, take the harddrive out of the LaCie, and install it in this enclosure.

Examples of 3.5 Sata External Enclosures,|c:2778|&Sort=0&Recs=10
(From $15 to $35, is a good range for a decent external enclosure)

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1 Answer

Worked fine on my macbook but not by my powerbook g4 or any other computer

I would suspect a corrupted catalog file, these are the map that a comupter uses to find its way around the drive, they are also the first casualty when a crash corrupts something. Disc warrior will write a new catalog and fix everything. PCs do not see discs formatted for macs.

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LaCie 500 GB hard Drive - does not register on my desktop

if it is a USB (or you have low disc space), it does take longer to show up on desktop and patience is required... on my iBook it takes over a minute for my Brick to show up... Whether it is USB or firewire, do try another cord (I had similar problem with my lacie firewire external... I used a different firewire cord and all was fine. If you have tried these already, I hope you find the answer... good luck

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1 Answer

Failure to mount on desktop

Iomega which is now a thing of the past were renowned for their fragility It may well have died

May 23, 2007 | Iomega MiniMax (33464) 250 GB Hard Drive

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