USB Device not recognised for USB Hard Disk

Posted on 2009-04-21
Last Modified: 2012-05-06

As above, the drive does not pick up! It did happend the odd time, then by re-inserting it picked up again.Now does not work all the time. Have looked for drivers for the drive (cant find one), changed the cable also. The red light on the drive turns on. Have looked at device manager(says unknown device), tried different computer..still not luck.

I just needed to copy all the files onto a different device!

Shouldnt the o.s auto pick up the device or do i need to find drivers (which i cant!)

Device HI Point usb 2.0, (forget size of drive)
O.S Windows xp sp2 + tried machine with sp3

Hope you can help!
Question by:LCMaurice
    LVL 10

    Expert Comment

    it might be that the USB port is not supplying enough power for the disk. If the disk has an external power source, ensure it is connected and supplying power. If not, then unplug all other USB devices and see if it picks it up then.
    LVL 4

    Expert Comment

    If you plug the hard drive in and see the light on, is it spinning?
    If so, go to My computer (right click), click disk management. Do you see the drive without a drive letter?
    It might be that you used the drive on G: for example, where the shared group drive is at the moment.
    LVL 6

    Accepted Solution

    I've seen a few cases where the controller in those external drives gives up. Try removing the drive from its enclosure and connecting directly to a desktop computer via IDE or SATA cable (depending on drive) while the power is off preferably

    Author Comment

    It is only connected via usb. (red light is on)it does sound like the drive is spinning(making noise). In Computer Management is doesnt pick up a drive letter or recognised.

    more help needed!
    LVL 10

    Expert Comment

    So you only have USB power to it then - have you unplugged all other USB devices, or connected it to a POWERED USB hub?
    LVL 6

    Expert Comment

    You can eliminate everything to do with USB (ports, port-power, USB device drivers etc.) by simply popping the bare drive out of its enclosure and plugging directly into a PC motherboard. You'll know whether it's likely to be working straight away by whether it is recognised by the computer's BIOS..

    Expert Comment

    Try changing your CD drives assigned letter in Computer Management -> Disk Management, to Z: and any extra things like card readers from Z down, leaving D: E: F: G: etc open (If you have more than one hard drive, keep the assigned drive letter it has).

    Plug in the usb drive, look in disk management, see if it's there, if the colour strip is grey, then you have to format and partition.

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