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Disk Management not showing all available disks

Howdy Experts!

I have a recently acquired a USB to IDE adapter, and have connected it to my Maxtor Quantum Fireball Plus LM.  I connected it to my machine, played with jumpers and rebooted, and now Device Manager shows it as one of my Disk Drives.  However, it does not show up in My Computer or Windows Explorer.  And if I got into Disk Management it does not show there either.  

How can I access this drive to first format it, and then use it?  Thanks!

-Thorin
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Thorin
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Thorin
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1 Solution
 
rindiCommented:
The USB adapter you are using, how are you powering it? the power supplied by the USB port usually isn't enough for HD's so you often need to use a direct powersupply to the USB device, or a powered USB Hub may also help. Also make sure the power connector inside the device is firmly connected to the disk.

If all that doesn't help, first test the disk on a standard IDE connection, you can download and use the powermax utility from maxtor for that, or you can use the UBCD (http://ultimateboodcd.com) which has this plus many other tools on it. I haven't had many good maxtor disks, so I think it is likely yours is kapput. If you verify it as being broken, check the maxtor website for a warranty replacement.
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ThorinAuthor Commented:
rindi,

Thanks for the post.  The USB adapter comes with a 4 pin power adapter to plug the drive in.  The USB cable doesn't provide power.  

The drive was recently in service in another workstation, and worked fine.  Windows is seeing it as one of my disk drives, and has correctly IDed it.  I just cannot get access to it.

-Thorin
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rindiCommented:
Then it definitely looks like a power problem with the USB adapter and the disk. A disk that isn't powered, but connected otherwise, will ID correctly (The electronics of the disk themselves don't need the power connector to be powered, that is only needed by the motors).

Check the 4pin connector, maybe it isn't making good contact. Sometimes pressing the metal pins closer together helps. Also, is there an outside receptible on the USB casing, which isn't being used?
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ThorinAuthor Commented:
rindi,

Hmmm...I can hear the motors spinning - does that matter?  How can I determine if it really is a power problem?  

There is no outside case...

-Thorin
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rindiCommented:
If the motors spin, then it probably isn't a power problem (sorry, I wanted to ask you that, but forgot to...)

Can you use the drive when connected to another PC in it's USB Box, or does that never work?
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Sanstorm999Commented:
Hello,

You mention that the External drive is seen in device manager. Can you please clarify what it actually says the device is i.e. usb mass storage device or unknown device?

If it shows as a unknown device in the usb listing I think it may be a power issue as mentioned before.

If the drive has been formatted previously on another system their may be a drive letter conflict, whereby if it was partitioned as a primary (active) partition with the "C" drive letter. This means it would have to be FDISKED in Dos before it would work.

Also quite simply try to plug the USB/IDE drive into another USB port, with the computer running. Please be patient as Windows can take a while to detect and install it.

Please let me know how you get on?

Good luck!!!
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ThorinAuthor Commented:
Sanstorm999,

It is listed in Device Manager as both a USB Mass Storage Device (under Universal Serial Bus Controllers) and as Quantum Fireball Plus (under Disk Drives).  

The drive was the C: drive in another work station....that sounds like a promising way to go.  Do you think I can FDISK it from DOS connected via USB, or will I need to put it in as IDE?  

Thanks!

-Thorin
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Sanstorm999Commented:
Hi Thorin,

Thank you for your reply. It does now seem that power may not be the issue as it is showing up in Device manager as it should. Again, I assume you tried the alternative USB port with out success?

You can Fdisk a drive using USB however it is dependant on your Mobo Bios. If it allows booting to USB HDD then you are in business.

Alternatively, you can unplug your 40G IDE cable from the hard disk and plug-in your other drive. Boot to it via DOS boot disk and run Fdisk.

Let me know how you get on?

Good luck!!
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ThorinAuthor Commented:
FDISK did it!  Thanks so much for both of your input.  

-Thorin
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Sanstorm999Commented:
Hi Thorin
Thats great news. Well done.

Cheers

Sanstorm999
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