Question about Beyond Micro Mobile / 250GB / 7200 / 8MB / Black / USB 2.0 / External 250 GB Hard Drive

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Beyond micro mobile disk BMMDU2 is not recognized

My BMMDU2 external hard drive just stopped being recognized, green light is on, usb cable plugged in but it's not showing in my computer, already tried computer management to see if it shows with a different name but no luck, also tried with laptop vista and desktop XP with same results.

I have important information, if the disk is damaged, is there a way to recover my data ?

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The drive USB interface may be damaged; an external case is available form various vendors for about $20. The drive should pop out and into the new case. If still not recognized, then the ID track on the drive may be compromized - that can happen if the USB is unplugged while it is still writing to the drive. There is drive recovery software out there, like EASEUS that works quite well (they have a demo that you can try free) to see if that would work.

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I have plugged in my harddrive to my macbook and i am not able to do anything. how do i format this harddrive to my mac?

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1 Answer

Beyond Micro BMMDU2 wont show up on my laptop


might need to reset by turning both off

keep power for ext drive OFF

turn computer on

plug in ext drive usb(no power on drive)

turn ext drive power on

see if windows can ''see'' it now?

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External Harddrive stopped working / isn't recognized anymore by my computers.


If you're lucky, it's just your drive isn't receiving enough current to it (and therefore can't spin - thus those strange sounds) and if you're a bit less lucky it might be an electrical problem of the controller board of the enclosure. I don't imagine you have another power supply for the external enclosure on hand, and I doubt any warranty for your product would include data retrieval, so here's what you can do yourself; Unscrew the hard drive out of the external enclosure and try connecting it directly to your PC (you will need to know which end goes where, beyond that it's pretty straight forward and you need not be a computer wizard to test it - just make sure you don't fiddle with your PC's innards while it's plugged in and as a precautionary measure unplug he power cord off it before even opening it up). Follow up on this topic if you require any additional help with it. If you can manage, then once connected, plug you PC back to the el. grid, turn it on and see if the affected hard drive came back to life. Boot to your OS and make a backup of data you need to retrieve either on your other internal drive or alternatively burn it to recordable optical media. You will need another external enclosure for your drive after it and, may I suggest, you get an actively cooled one instead. If you're unlucky, it's the hard drive itself that's gone bad (in external enclosures it's most typically due to overheating and might be hard drive's PCB board that's burnt). That will require advanced servicing and might cost you an arm and a leg to get your data back, depending on where the problem lies. PCB can be exchanged for a working one also in a DIY fashion, however it requires a bit more know-how and I wouldn't suggest you do it on your own. If the motor gave, then servicing in a "clean room" environment is required and that might get darn expensive. Best of luck, though! Please tell us how it went either case ;)

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I switched my Beyond Micro Mobile Disk from one computer to another and it will not recognize it. I don't have the install disk that came with it. Any ideas?


click start control panel administration tools computer management device manager look through all of your devices if you see a yellow question mark?or exclamation mark ! or red x
right click to reinstall drivers or


if you can see your usb but its not working
ports(com&lpt)right click update driver


sometimes the wires inside the cable will be damaged due to bending or stretching or placing heavy equipment upon the cable


just replace the cable of the hard disk, when you plugged the external disk drive you got that windows could recognize the USB device change the cable everything should work fine again,

check the USB leads that attach to the motherboard usually red-white-green-black make sure they are securely seated and have no dust build up on them dust will cause static and a lot of unforeseen problems

if this fails to fix the problem
you might have to install a usb 2 or 3 card they are cheap and easy to install you can buy these on Ebay very cheap
hope this helps

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1 Answer

My Beyond Macro External hard drive model no BMMDU2 has stopped working.. It shows up in list of "Safely remove Hardware" but windows XP professional SP3 is not assigning any letter to...


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.

There exist commercial "data recovery" services that can try to repair your device, just long-enough to rescue and copy your files. For example, see: https://services.seagate.com/index.aspx?lng=en-US for a "no data - no charge" guarantee.

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External Hard Drive - Beyond Micro


I have the same BMMDU2. It's used 12V/1.5A power suply.

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1 Answer

Laptop Won't Recognize External HD


You can try opening the device manager in Window XP and uninstall the external hard disk (make sure you show unplugged devices).
Then replug the drive again, and it should reinstall the drivers.

Jules

Feb 22, 2009 | Beyond Micro Mobile / 250GB / 7200 / 8MB /...

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