Question about Toshiba 200GB USB 2.0 Portable External 200 GB Hard Drive

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I have external hard disk but after fromatting it was not detection by my computer and message is coming that " USB DEVICE IS NOT RECOGNISED "

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One or more of the hints below will probably sort out most USB problems with most USB portable / external hard drives and OTHER devices (though not always)

A few things to check but assumes USB and Windows for other interfaces / operating systems (mac/ Linux) similar steps may be adapted to suit.

1. Ensure it is connected directly to the computer to a USB 2.0 port not a USB 1.0 port as this can have effects on performance and reliability

2. Use only the cables that came with it NOT one that fits that may have been lying around or is longer. Not all USB cables are equal even though they should be)

3. Do not connect through an external USB HUB unless that hub is USB 2.0 AND has its own power supply.

4. Use ONLY the power supply that came with it if it has an external power supply Don’t use any other unless you know it has both the same voltage and current rating e.g. 12V 500mA anything rated below that would not work properly.

5. Always use the same port for connecting your devices. Some devices do not like being switched about. If switched they may want to install software / drivers again. This can be especially true if you move a HUB to another port
6. For FLASH DRIVES you should ensure that the device is set for "quick removal" using the drive control panel properties or use the USB "Safely Remove Hardware" option. If you dont do this there is a very strong chance that any files you transfer may not be there when you plug into another computer.

If you checked and fixed anything there and still have issues then check your hardware from CONTROL PANEL / SYSTEM / HARDWARE.
Any exclamation marks by hardware need fixing before you investigate any further

USB flash drives can fail for no apparent reason.
Sandisk Cruzers are especially bad for this.

USB hard drives should be treated with extreme care.
This is a real hard drive ! and knocks and bumps can quite literally kill them.

It is possible to remove drives from the enclosures in most cases and connect directly inside a PC to fully check it.
You should also do this to cheack the drives connections are not bad inside the enclosure

Note that if you hear a drive clicking or pinging this could be the worst thing you would hear.
Known as "The Click Of Death"

If none of the above steps help look at updating the drivers from the manufacturers web site in the support section.

Posted on Oct 02, 2009

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I would try to reboot the computer and see if it recognize it then, if not follow these steps the start the usb.

To initiate recognition of the USB device by using Device Manager,
follow these steps:

1. Click Start, click Run, type Devmgmt.msc, and then click OK. The Device Manager window opens.
2. Click to select your computer as the location for the scan.
3. On the Action menu, click Scan for hardware changes.

Windows XP recognizes the new device.
4. Close the Device Manager window.

If this method resolves the issue, you are finished.
However, these steps may be different depending on the Operating system you are using. let me know the OS you are using and if this works for you, so i could be of greater help.

Posted on Oct 02, 2009

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1 Answer

Cant detect hdd


Hi Martin...

The problem is being caused by the Logical Disk Manager
Administrative service and possibly the logical Disk Manager service
not being started or the services might be disabled. to solve the
problem, click on the "Start" menu, click the "Run" command, and then type
in the box: services.msc , scroll down until you see both the above services.
right click on each of the services about and select properties, on the
general tab, change the startup type to "automatic" and click the start
button under the service status. do this for both of the services, and
that should will fix your problem."
-------------------------------------------------------------------------------------------------
For Windows 2000 and XP:
Right click on My Computer.
Choose Manage (This will open the Computer Management window).
Go to the Storage category and select Disk Management
Right click the new drive (usually listed as Hard Disk 1) and "initialize"
You now have the option to partition and format the drive.
The default settings of Primary Partition and NTFS- Quick Format are recommended for most users.

-------------------------------------------------------------------------------------------------
External hard drive can not be recognized, are more common on computer
failures, what's the reason caused this failure?
1, Setting the CMOS parameters
If you never used the USB external device, there may occur the case:
The system can not detect USB hard drive even if the driver is properly
installed, which was mainly due to the motherboard CMOS default port is closed, if not set to
open state, it naturally Windows can not detect the external hard drive. In order to solve this
problem, we can re-boot into the CMOS settings, and set "Assign IRQ For USB" to "Enable" in
"PNP / PCI CONFIGURATION" column, now the system can be assigned to the USB port available
interrupt address.
2, Power shortage
As the USB drive need to consume some power when it at work, if directly through the USB interface
to take power, the power supply may be not enough. Thus, almost all of the external hard drive
comes with a separate external power supply or a PS2 keyboard to take power transfer interface,
at this time you should connect external power supply or through the transfer cable ps2 connected
to keyboard to ensure that it have provided adequate power to the external hard disk,
recommended that you should ensure the external hard drive have adequate power supply when you
use it, otherwise, the external hard disk is likely to be damaged due to insufficient power
supply.
3, USB extension cable fault
USB interface type does not match the external hard disk interface ,this case caused it can not
be used. For example the standard USB interface of the computer configuration is 1.1, while the
external hard drives purchased are USB 2.0, which requires the cable connected computers and
external hard disk must support USB 2.0 standard. Because high-speed mobile device plug in a
low-speed hub, the device may not be properly installed, and some people use external hard disk
while using USB flash drives, For convenience, they directly used USB 1.1 standard cable that
supplied by USB flash drives, as a result, the USB 2.0 standard hard drive not be recognized
correctly. Just replace it by the USB 2.0 standard cable can solve this problem.
4, Windows version is too low
Pre-Windows 98 operating system does not support USB peripherals, so in any case to install the
driver, set the CMOS parameters are unable to make normal use of external hard disk. In this
case, one solution is to upgrade the operating system up to Windows 98, another way is to
Microsoft's official site, download the appropriate patch to make it can identify mobile hard
disk.
5, The system is set incorrectly
When installed driver, the external hard disk icon will be seen on the Device Manager for some
Windows 98 users, but the Explorer does not include the corresponding letter identification,
which is improper system settings. In the Device Manager, double-click the Hard Drive icon, and
click the pop-up window in the "Properties" button, and you could see disconnect, could be
deleted, synchronous data transmission and Int 13 unit four options, of which "could be deleted "
is no tick in front of the system, and simply check this option to restart your computer, you can
see in the Explorer, the new external hard disk drive letter.
While the failure of the external hard disk does not recognized are more the reasons, but
generally not the USB interface or external hard disk's own fault, so it requiring us to consider
some more from around the association when exclude it, I believe you can successfully use the
external hard disk.
--------------------------------------------------------------------------------------------------
Hi I had the same problem and solved it like this assuming that you are running windows xp

With your external casing powered-up (it does not get power through USB does it?) and your WinXP
PC running, plug in the USB.
You should hear 'chime', what happens then?
If harddisk is recognised here, but does NOT have a drive-letter and cannot be seen in Windows
Explorer, the answer is in Windows Disk Management
...
Go Administrative Tools > Computer Management > Disk Management. ( on left column)
Maximize this page. Physical Drives appear at the bottom; Logical Drives at the top.
Hopefully your drive will appear at the bottom (physically), you must then 'import' it into the
Windows installation
; Windows will put its 'signature' on the drive and assign it a logical drive letter :^)
you can try to format it here if it is new and has no info on it , check back to My computer and see if present.

Mar 20, 2013 | IBM FRU PN 49P1599 Desktop Motherboard

Tip

No Hard disk detected / boootable device


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

on Jan 17, 2011 | Computers & Internet

Tip

NO BOOTABLE DEVICE


When the computer/laptop cannot see a boot file/disk on either the hard disk or floppy drive it gives an error message - "No bootable device. Insert boot disk and press any key"

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 and re-seat the data cable on the hard drive and also where it connects to the motherboard disk controller.
If it still gives this error message and the BIOS does not detect this hard drive, then the hard drive is probably faulty.

A further check on the hard drive, remove the hard drive and connect it to an USB hard drive adapter and connect it to a working computer's USB port, if this computer does not detect it as an external storage device then the hard drive is faulty.

To get the computer operating again, install a new hard drive in your computer and then install Windows on this hard drive plus the computer's device drivers and your programs.

on Oct 02, 2010 | Computers & Internet

1 Answer

Not recognice by usb hard


A USB hard drive is a portable external storage device that works just like a conventional hard drive.

The device is simply plugged into a USB port on your computer as you would connect a flash drive.


Unlike a flash drive, however, a USB hard drive can store a much larger amount of data.


If your computer will not recognize your USB hard drive, you can try troubleshooting steps to resolve the problem.

Plug one end of the USB cable into the port on your hard drive and plug the other end into the USB port of your computer. Ensure that both ends of the cable are connected securely.


Open "My Computer" (Windows XP) or "Computer" (Windows Vista/7).

The USB device should be listed as "removable disk" once it is plugged into the computer.


If it is not listed among the available drives on your computer, proceed to the next step.

Ensure that the data cable is working properly.


Try another USB cable if you have one available.

Disconnect all other USB devices from the computer as they may interfere with the operating system detecting the external hard drive.

Reboot the computer if the USB hard drive is still not recognized.


Plug the USB cable into another USB port and check to see if the device is detected.

If you are using a USB hub, remove the device and plug the external hard drive directly into a USB port.


If the computer still fails to recognize the device, the external hard drive itself may be experiencing a hardware problem.


Check the status of the hard drive in the "Device Manager" window. Under Windows XP, right click "My Computer" and select "Device Manager."


For Windows Vista and Windows 7, click the "Windows" button in the lower left corner of the screen, then type "Computer Management" in the search bar and press "Enter."


Select "Device Manager" in the "Computer Management" window. In the Device Manager window, click the "+" sign that appears beside "Disk Drives."


If the external drive is not listed, click "Other Devices" in the Device Manager window and see if an "Unknown Device" appears.


The external hard drive may have been detected but the device is not working properly.

If it is still under warranty, take the device to the computer store where it was purchased to have it repaired or replaced.


Hope this helps


Nov 07, 2012 | Computers & Internet

1 Answer

My laptop says no bootable device insert disk what is wrong?


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

Oct 30, 2012 | Toshiba Computers & Internet

1 Answer

When my computer starts it goes to a black screen and says "no bootable device jnsert boot disk and press any key" what can i do


Normal 0

This error message - "No bootable device. Insert boot disk and press any key" means -

The PC cannot see a boot file/disk on either the hard disk or floppy drive.
Check the floppy drive and remove and floppy disk.
If there was no disk in the floppy drive then it is a hard disk problem.
Check the BIOS to see if the hard disk is detected, if not open the case and re-seat the data cable on the hard drive and also where it connects to the motherboard disk controller.
If it still gives this error message and the BIOS does not detect the hard drive, then the hard drive is probably faulty.
A further check on the hard drive, remove the hard drive and connect it to an USB hard drive adapter and connect it to a working computer's USB port, if this computer does not detect it as an external storage device then the hard drive is faulty.
To get the computer working again, install a new hard drive in your computer and then install Windows on the new hard drive plus the computer's device drivers and your programs.

Oct 02, 2010 | Computers & Internet

1 Answer

Hard disk ST9120822AS ATA Device


If the computer cannot Bootup with an error message that hard drive nor detected or no boot device then you could have a faulty hard disk.
Go into the BIOS configuration and see if the BIOS detects the hard disk. If it is not detected then it is probably faulty.
Next reset the ATA data cable on the hard drive and at the motherboard. Bootup the computer again, also check the BIOS configuration again to see if it detects the hard drive.
If it still does not find the hard drive then remove the hard drive and connect it to an USB hard drive adapter and plug it into a working computer's USB port. If this computer does not detect it as an external hard drive then this proves the hard drive is faulty.
To get your computer working again, replace the hard drive and install Windows together with the device drivers and your programs.

Nov 06, 2009 | Dell InspironTM 1501 Notebook

2 Answers

Connect external hard disk IBM travel star 80GB USB port 2


Unless it's windows 98 you don't need a driver. If your computer can't see it, it's probably broken. Try plugging it in to another computer and see if it can see it

Oct 01, 2009 | IBM TravelStar 40GN 40 GB Hard Drive

1 Answer

Not recognised by computer


You gotta partition it first. http://windowshelp.microsoft.com/Windows/en-US/help/d9a4d35e-efdf-406c-a049-0860180129a71033.mspx

Except don't format the ones that already have a Letter (or u screwed urself there)

Sep 27, 2009 | LaCie External USB 2.0 500GB 7200 RPM 500...

1 Answer

Toshiba external hdd not recognised by any computer i try


connect your hard disk to other computer which has different os like windows xp then check it is detected or not if it is not detected then it has some internel issue.
Thanks

Jul 15, 2009 | Apple PowerBook G4 Mac Notebook

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