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I have Matsunichi USB 3.0 mobile hard drive. When I plug it into my laptop, it doesn't recognize it. When I go to troubleshoot, it says that the driver needs to be installed. When I try to inst

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6ya6ya
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Posted on Jan 02, 2017

Riziel
  • 116 Answers

SOURCE: Device not working

Most of the time when you get error messages like this it is due too drivers. Now in order to determine this issue I need to know what type of computer you have, OS installed on it, how old the PC etc. Please advise!

Posted on Nov 26, 2007

Paul319581
  • 101 Answers

SOURCE: Maxtor External HD - The device cannot start. (Code 10)

ok do 1 think plug it on another 1 pc or lap to make sure that its workin...
if the same msg comes then ur HDD is gone ull have to replace it...with new...(if it dont have warrenty)

Posted on Mar 09, 2008

  • 1 Answer

SOURCE: Hard drive is not recognize by the computer

I found the solution to my problem that looks just exactly like this. My external hard drive stopped working and my computer said it was an "Unknown Device". I tried it on the other computer and it worked. That computer hadn't undergone a recent "update". Bloody hell...


But anyway, that one stopped working with it as well. Can you guess what happened?

Then I tried it on the Vista laptop. But before it could screw up, as well, I researched the driver for the drive. It was USBSTOR.SYS.

I copied it to the desktop, sent it to myself with email, and put it in the system32/drivers folder, and now my drive works on all my computers.

You generally shouldn't need a driver for these things, but that's essentially a lie. There should already BE a driver on most XP computers. But if it's not there? You're kinda screwed. I am trying to figure out how to host this one and link it, but in the meantime, just google USBSTOR.SYS

There are a few links to downloads out there.


Posted on Jun 13, 2008

  • 1 Answer

SOURCE: External hard drive not recognized

I have a WD3200 usb Hard drive. I am looking to partition it. The problem i encountered is when I go to the disk management, the drive shows up as disk one but below it , it says no media. its like the computer knows that there is an external storage device attatched but cannot access it. Also if I try to get into the disk from my computer, it says "insert disk"

Any suggestions?

-Oliver Fernandes

Posted on Oct 21, 2008

  • 1 Answer

SOURCE: XP doesn't recognize my external 500 GB WD My book essential edition hard drive

I had the same problem some have posted about. I had a lot of data on my drive and then one day it didn't show up in "My Computer" anymore. I had to assign a separate drive letter to the external drive.

Plug in the drive.
Right click on "My Computer"
Click on "Manage
Click on "Disk Management"
On the bottom half of the right side you should find "My Book" assigned to a disk number.
Right click on "My Book"
Click "Change Drive Letter and Paths"
Click Change
Select a new drive letter and hit OK

Hope this helps some people out.

Posted on Nov 06, 2008

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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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1 Answer

Toshiba Laptop Does Not Recognize Matsunichi External Hard Drive


if its an external hard drive that uses usb lead

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
type in run "regedit" then press ok then you can see registry editor then locate below key. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Class\{4D36E965-E325-11 CE-BFC1-08002BE10318} And remove upper filter and lower filter.

Then restart computer then check.


Also locate the below key and make sure it's value is 3 not 4. HKLM\system\currentcontrolset\services\usbstor make sure start value is 3 not 4


if still no luck
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

Apr 27, 2012 | Computers & Internet

1 Answer

I have a Matsunichi 500gb mobile drive. I can't figure out how to copy my hard drive to it. NO instructions, and when I try to copy, it says the mobile drive is full. It's never been used!


Format the hd to fat 32 for windows or (fat) or if you are using a mac format it to a mac journeled drive. The drive comes with two partitions and the only way my computer saw it was in the format utility. Now it runs great stays cool and is very quiet.

Nov 05, 2011 | Computers & Internet

1 Answer

Nexxtech external USB hard drive stopped working. Light comes on but drive does not seem to activate and produces no response in the laptop.


click start control panel administrive 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 also make sure the computers Ram and Cmos battery are securely seated
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

a cnet rview
Pros: Lots of space, very low price, doesn't require outside power
Cons: Sometimes stops working, no firewire (but still a quick transfer speed)
Summary: This doesn't require outside power, but sometimes you need to hook it up to 2 USB ports. The USB cable has 2 heads. Sucks when I only have 3 USB ports on my laptop.

Also sometimes it spontaneously stops communicating with the computer. I don

Oct 04, 2011 | SimpleTech SimpleDrive Portable USB 2.0...

2 Answers

My Hitachi Touro 500gb suddenly did not work? no light indicator and not recognized by the computer..


Hi,try to use other usb cable,and insert it also to other usb port of your computer.But if its still not working..go to my computer right click..see the manage,..see the disk management..there you found your hard disk but if doesnt appear on it..it means that your har disk was dead or defective already..thanks

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1 Answer

My computer doesn't recognize my dane-elec 8gb usb stick , although other usb devices do work.


1. Try a different USB port. If other ports recognize it, then the original port is fried. 2. Try a different computer. If the other computer does not recognize it, then your flash drive is damaged.

Good Luck!

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My HP DV9740US laptop will only recognize one external hard drive at a time. When i plug in another external hard drive it'll make the sound that it's recognized but won't show up in My...


you may have to assign a letter to the unseen drive manually: goto start menu and right click on my computer/ select manage/ select storage/ select disk management/ right click on the drive in question and select change drive letter and paths/ then give it an unassigned letter and that should do it. hope this helps:)

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1 Answer

I believe my hard drive is locked. When I try to plug in my hard drive to someone else's computer I cannot drag anything into it. Thanks for the help!


For some hard drives, you need to have the correct driver installed on the computer in order to use it. Especially if it is a USB device. If not try a different usb port. The port your using might not be working properly. If that doesn't work... turn off the computer and plug the hard drive in, then turn the computer on. The computer may need to recognize it on boot up.

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