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External Hard disk problem

Dear Sir,

While connecting external usb HDD to any pc i am getting error

1) one of usb device attached to this computer ha malfunctioned error, and
Windows does not recognize it.for assistance in solved this problem,click this message.

Plz have any solution on this

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  • 151 Answers

Check that your usb connector is ok i think problem will be there.
Hope this be of initial help/idea. Pls post back as requested, how things turned up or should you need additional information.
Good luck and kind regards.
Thank you for using FIXYA.

Posted on Mar 20, 2008

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When the PC cannot see a boot file/disk on either thehard disk or floppy drive it gives an error message "No bootable device. Insert boot disk and press anykey" First thing, check to see if the is a floppy disk inthe floppy drive, if so removes this disk. If there was no disk in the floppy drive then it maybe a hard disk problem.
Check the BIOS to see if the hard disk is detected, if not open the case andre-seat the data cable on the hard drive and also where it connects to themotherboard disk controller.
If it still gives this error message and the BIOS does not detect this harddrive, then the hard drive is probably faulty.
A further check on the hard drive, remove the hard drive and connect it to anUSB hard drive adapter and connect it to a working computer's USB port, if thiscomputer does not detect it as an external storage device then the hard driveis faulty.
To get the computer operating again, install a new hard drive in your computerand then install Windows on this hard drive plus the computer's devicedrivers and your programs.

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SAMSUNG 40GB HARD DISK MOTOR IS NOT ROTATING AND SYSTEM SHUTDOWN IMMEDIATELY WHEN IT IS CONNECTED TO PC


An external storage-device has four major components:

* the USB cable

* the power-adapter

* the disk-drive inside the enclosure

* the USB-to-disk-drive adapter inside the enclosure.

One of these components has failed.

Try a different USB cable.

Try connecting to a different USB port on your computer.

Try connecting to a USB port on a different computer.

Take a "multi-meter" and measure both the voltage and amperage output from the AC adapter, and compare with the specifications on the label on the adapter.

Open the enclosure, and remove the disk-drive, and then connect it as a "slave" disk-drive in a desktop computer, to see if it works at all.

Purchase a new, compatible, disk-drive, and install it in the enclosure, to "revive" your external storage device.

Get the part-number and serial-number from the label on your disk-drive, and access the manufacturer's web-site, and use "check warranty status", to see if they will replace the device, at minimal cost to you.

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External hard drive is not detected


Check Following Instructions:
1. Check your USB cable properly connected to the computer.
2. Go to My computer - right click on property - Hardware - Devices Manager - in below - USB Mass storage device - right click on this - and Uninstall - then again right click - click on Scan - it should be reload your USB drivers
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My IBM Thinkpad R40 laptop stopped working.The IBM Think Pad screen comes up and then with a beep,the system shuts down.Went to a support shop and found some IC on the system board was damaged.Now,for data...


Unless the hard disk itself is damaged, data should be perfectly recoverable. This does not mean that any USB device will be able to read the unit. Some external attachments I found were not capable of reading large disks, or required those disks to be formatted while in the attachment, meaning that the disk addressing mode wasn't autodetected at all.

On the other hand, the disk MIGHT be damaged. Sorry to mention it but it's a possibility. Were those damaged IC on the board connected to the disk I/O system? (Or, maybe, the ICs only seemed to be damaged, but were actually working - it was the HD which was damaged all the time, and the system rebooted as soon as it tried to access the disk).

I'd suggest having the disk connected with a 2.5"-to-3.5" adapter to a Linux machine as secondary hard disk. This will allow direct talk to the disk unit, bypassing external devices and the like, and allowing direct access to the partition, with a much more informative error logging than Windows systems are generally equipped with.

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The disk is either damaged or the USB interface is damaged.
1) You could try opening the external case and connect the disk to your computer directly (Using IDE/S-ATA cables)
2) Format the HD and use data recovery software/service.

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Sir/Madam when i attached my external 30gb hdd via usb ide data cable with my laptop message appear "unrecognized device" how i solve this problem?


You need the driver for the device. If the HDD came with a disk you will need to install that beore hand. =) Hope this works.
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1 Answer

USB malfunction


Hello jaybear

The most likely problem is your USB bus is underpowered for supporting your external hard disk drive along with other USB devices.

First, this is actually a good thing in a way. The reason is, it is actually telling you right up front that your USB bus is underpowered for this device. That's a huge improvement over issues caused by underpowered USB buses in the previous model computers. In those, we were left to having to figure out what the problem was when a USB device inexplicably stopped or didn't work.

What is happening is, your new hard disk drive(s) (HDD) are trying to run off of power supplied by your computer's USB "bus" (circuitry). This is OK for USB devices needing low power. But in the case of external hard disks, it's "iffy" whether there'll be enough power on the USB bus to support even one of them, much less two or more. Particularly on laptop computers.
Have no fear. This problem is easily remedied. :)

You need only attach an A/C adapter to each of your external hard disk drives and you should be OK.

If that is not an option, connect a **powered** USB hub to your laptop and plug the external HDDs into the hub instead.

By "powered" I mean a USB hub that comes w/ an A/C adapter. In either case, using a powered USB hub or attaching an A/C adapter to your hard disk drives will remove the external hard disks' power load from your laptop's USB bus and provide sufficient power for the HDDs to run.

You can find USB hubs at Newegg.com and lots of other online high tech stores. I like Newegg because their prices are competitive, their customer service is excellent and there're customer reviews of most of their products there as well.

If you have any more questions, comments, observations - anything at all, just let us know. We're here to help.

Otherwise, PLEASE, take a moment to rate the solution that best addresses your problem. If the solution provides a "fix" for your problem, then a **FIXYA** rating would be very much appreciated. :)

Thank you
BJ @:)

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1 Answer

External Hard Drive -- too much power for my USB port on my computer


Hi mhjohn

First, this is actually a good thing in a way. The reason is, it is actually telling you right up front that your USB bus is underpowered for this device. That's a huge improvement over issues caused by underpowered USB buses in the previous model computers. In those, we were left to having to figure out what the problem was when a USB device inexplicably stopped or didn't work.

What is happening is, your new external hard disk drive (HDD) is trying to run off of power taken from your laptop's USB "bus" (circuitry). This is OK for devices needing low power. But in the case of external hard disks, it's "iffy" whether there'll be enough power on the USB bus to support them. Particularly on laptop computers.

You need only attach an A/C adapter to your external hard disk drive (HDD) and you should be OK. If that is not an option, connect a **powered** USB hub to your laptop and plug the external HDD to the hub instead.

By "powered" I mean a USB hub that comes w/ an A/C adapter. In either case, using a powered USB hub or attaching an A/C adapter to your hard disk drive will remove the external hard disk's power load from your laptop's USB bus and provide sufficient power for the HDD to run.

You can find USB hubs at Newegg.com and lots of other online high tech stores. I like Newegg because their prices are competitive, their customer service is excellent and there're customer reviews of most of their products there as well.

If you have any more questions, comments, observations - anything at all, just let us know. We're here to help.

Thank you,
BJ @:)

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Fixya has received a growing number of USB connected Hard disk failures in recent months. It would appear they are a poor backup device, at least over the long term.

A couple of possibilities: First, disassemble the drive enclosure, and check the connections to the drive itself. I've seen one instance where an internal connection was just loose enough to cause a problem.

2. You could try removing the hard disk from the enclosure, and installing it as a second drive in a standard desktop PC. Interfaces must of course match- assuming it is an IDE interface, install it in a desktop with that drive connect system.

Master/slave jumpers must be also set correctly.

After this, using the drive management tool in Computer Management, try mounting the drive.

Beyond this, data recovery could be difficult at best. There are data recovery services available, but such is fairly pricey. You will have to decide just how valuable your missing data is.

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