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PB won't recognize my portable hard drive

by fulltimesheep / February 8, 2006 10:44 AM PST

I have an IO Data portable USB hard drive that works fine on my pc, but when I plug it into my Powerbook I can't seem to get the drive to mount. I've gone under the system profiler on the mac and it recognizes that the "I-O DATA HDPX-U" is plugged into the usb port, but it doesn't seem to know that it's a hard drive, and I can't do anything to open it. I have a smaller USB 128 MB memory key that works fine with the mac. So I don't think the problem is with the USB reader. Can someone help me? Thanks Happy

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I've seen this happen.
by R. Proffitt Forum moderator / February 8, 2006 10:53 AM PST

To owners of laptops with USB 1.1 ports. Some drives won't work on less than USB 2.0.

Is there a FIREWIRE connection you can try?

Bob

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the mac has 2.0
by fulltimesheep / February 8, 2006 11:21 AM PST
In reply to: I've seen this happen.

I think the mac has a USB 2.0 drive. It's a pretty new Powerbook G4. Kinda out dated maybe with the new Macbooks I guess. But yeah, the portable HD is 2.0, around 80 Gigs, and doesn't have a firewire cable.

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(NT) Is the drive formatted NTFS?
by mrmacfixit Forum moderator / February 8, 2006 11:28 AM PST
In reply to: the mac has 2.0

This can be a problem with the Mac.
Cross platform drives work better if formatted as Fat32

P

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The other issue of power...
by R. Proffitt Forum moderator / February 8, 2006 11:28 AM PST
In reply to: the mac has 2.0

I could not find the make or model, but is it powered by USB? If so, use the wall power adapter.

Finally, what filesystem is on the unit and is said filesystem supported by your Mac's OS?

Bob

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kinda rare HD
by fulltimesheep / February 8, 2006 12:16 PM PST

The Hard drive came from Japan, and as far as I know it's not sold anywhere else. It's formated NTFS. I thought larger drives can't be made into FAT32s. I'm not sure if NTFS is supported by macs; I'm kinda new to Apple. The HD has a socket for an adapter, but I lost the adapter when I moved into the new house. It can draw power from the USB on my PC when I plug it in though. Will using a seperate power source fix the problem? I'm willing to go down to the local radioshack and pick one up.

For now I'm copying some data from the HD onto my VAIO and using AOL IM to send the files from my VAIO to my Powerbook.

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NTFS support. That could be it.
by R. Proffitt Forum moderator / February 8, 2006 12:24 PM PST
In reply to: kinda rare HD

That's where I'm not good with MacOSX. I can't tell you exactly where support began or how good.

Macfixit is great on that but I bet that's it.

If you want easy exchanges, stick to FAT32 for now.

Bob

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Power
by mrmacfixit Forum moderator / February 8, 2006 8:49 PM PST
In reply to: kinda rare HD

You should get a warning if there is not enough power on the Mac USB bus to supply your drive.
It is always best, IMO, to power USB devices from their own adapters rather than rely on the USB Bus power.
If you can find another adapter, do so.

I still think we are looking at an NTFS format problem.


P

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