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Drive not recordnized

As normaly turned on harddisk.. not i get a mgs saying: disk cannot be used, format 1st.. but i dont want to format almost 1TB of data is stored here.. it doest show up in my disk list either.. but sometime it says now "you need to format the disk in G: drive before u can use it" help !!

Posted by sacha daniel on

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Try running fix disk on start-up.

Posted on Jan 13, 2018

Ali Karbasian

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please explain more information about your problem.

before any further assistance try to check it on other computers and see if its working or not if yes then take a full backup quickly,
if not then:
try replace the USB/SATA/PATA cable and check if it is working or not.
if yes then take a full backup quickly,
if not then:

1-this is an external drive:
1-1: it use as a normal external HDD for backing up data/movie/music/pics/etc.:
option number 1:try to fix its partition clusters/sectors with some software like easeus partition recovery or ...

option number 2:try to format it and then recover its data via recovery applications like easeus or "get data ntfs back" or...

note: in all scenarios you may lost some files or content

1-2 it is used for speed up your computer or has the MBR or EFI boot partition and has an OS installed on it:
try to fix its partition clusters/sectors with some softwares like easeus partition recovery or ...

note: in all scenarios you may lost some files or content

2-this is an internal drive:
1-change the SATA/PATA cable
2-check its sectors or clusters via software (windows check disk or windows defragment option) for bad sectors or cluster issues
3-try to fix its partition clusters/sectors with some software like easeus partition recovery or ...

if none of my solution works or software found some bad sectors that could not resolve it then or even you couldn't format the drive then:

maybe it has a hardware fault and there is not much you can do about it by yourself and you should go for warranty service or replacement or asking some expert companies for recovering your data via some special hardware that it may cost you too much.

best regards

Posted on Jan 13, 2018

5 Related Answers


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SOURCE: Lacie 1TB external hd won't mount!

check wires connecting them together first, ok?

then, turn off the LaCie, connect to your MacPro, and then turn on the drive..

that should show as a mounted drive.

need printer drivers update?

Posted on Mar 09, 2008


  • 1 Answer

SOURCE: Lacie 1TB External USB Drive tells me to format when I plug it in

I finally found a solution. I used GetDataBack, it was easy to get, I used the usual torrent sites to get it, and it recovers your files from your hard drive if you have problems with it (i.e. can't access it, etc.). I think my problem was caused by pulling out the usb cord without Safely Removing the hardware,

Posted on Sep 26, 2008


  • 192 Answers

SOURCE: ps3 and 1tb hard disk

This one may only have one possible solution.

You probably have heard that the PS3 will support up to a terabyte hard drive. That is true for most of them.

However, depending on the version of PS3, you may have to see if it is possible to flash the BIOS of the PS3. I talked to a Sony representative about the hard drive and it will support a 1 terabyte hard drive.

Contact sony to see if it is possible to flash the PS3 BIOS so it will recognize the drive.

Posted on Jul 27, 2009


  • 3153 Answers

SOURCE: Windows XP won't recognise LaCie 320g Rugged Hard drive

Based on windows you should go to the control panel, system,administrative tools, computer management and then select disk management.

If you drive shows up here and says healthy then you may just need to add a drive letter.
That can be done from where you are just right click on the drive and use the change drive letters paths option and use the one that windows offers you.

I devised these simple steps that tend to remedy quite a few issues with most USB portable / external hard drives and 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

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.

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"

Posted on Sep 08, 2009


  • 2335 Answers

SOURCE: My Lacie external drive no

If you are running Vista, you might be one of many people who are reporting an update that is causing some buggy behavior. Try this:

Connect the drive but do not format the drive, right click 'my computer' then 'manage' go to 'storage/disk management' view the drives; your usb drive may be shown but will not be allocated a drive letter. You can set one manually or leave it for about 2~5 minutes for one to be allocated auto. Each time you connect the drive you may have to do this.

If this is not your solution, then you need to run a disk partition utility to recover the inaccessible data from the damaged or corrupted root directory structure, boot sector, master boot record and file allocation table entries to access your files again. I recommend commercial products from either Acronis or Paragon, or a google search adding the word free to some of those keywords I just used.

Hope that helps.

Posted on Oct 16, 2009

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Related Questions:


How to regain 1TB capacity ?

Suggest you save any data on the disk then do a full reformat of the disk, not the quick format.

P4i45gv motherboard hard disk capacity

You can still buy a 1tb hard drive for those,however the cost is more than you can replace the MB and HDD with the newer sata format.
cost wise a 500gb or less .

Acer desktop won't boot up. dont have recovery disk

When it starts, can you choose "Just boot normally" ?

the easiest way would be to reinstall Windows, but first you'll want to backup your data by either booting with a Live CD and copying all your stuff to an external drive, or removing harddisk and installing it on another machine to extract your data.

I was using my harddisk for more than 2.5 years and suddenly from yesterday......when i try to access it through my computer it says format the disk...i dont know what happened suddenly.....and the blue...

do not not chkdsk....

get some data recovery software and install it in other computer with second harddrive

then run the software and recover the data in it

WD My Book 1TB - can't recognize usb drive

1 go to the start menu
2 Right click computer
3 Click manage
4 Go to the storage tab and open it (its in the box on the left side of the screen)
5 Click disk management
6 look for your unusable drive.
7 If the bar is black and it does not say online then you are going to right click the small box on the left side that says "disk X"
8 Pick the 1st option
9 after hitting next a time or two you will have 2 choices to pic from one says something like mass boot or something along them lines do not select that one pick the 2nd option.
10 Hit next till the window closes
11 If the bar is still black right click the black bar
12 Select 1st option
13 Hit next till you see a box that says something like quick format and check that box.
14 Again hit next till its finishes
15 after you finish that the window should show the box with that black bar turn blue and the box on the left will say online.

Sorry i dont have all the terms but i just got help myself and trying to help you all out as well.

New HDD = 80GB but, Bios sees >1TB unpartioned space.

Whenever you switch drives, you must access the BIOS and have it redetect the drive every time. Try the new drive again. Have the BIOS detect it. Use the Windows XP disk and do a full fomat (youll get an option to quick format it, but dont) If the format fails, then the drive is defective.

Barracuda hard disk 80gb

More than likely, since you say you did a DOS install of the OS, you did not set the FDISK parameters to set your primary drive. Insert the DOS CD you used to format the system. Boot to a DOS prompt and run the FDISK command. It should have an option, I believe it is number 2 or 3 to "Set primary drive". Select your hard disk 0 as this drive and you should be fine at rhat point.

Simpletech 1TB external HD

Is it formatted and partitioned?
right click on MyComputer>click manage> click disk management > see if it shows up on the bottom right of the window that opens up. If it does> right click > click format. Then you should be able to drag and drop it.

Also, did it come with software. It may require that the software be installed.

Please remember to rate Techs who assist you for free :)
Good luck, Joe

I’m happy to assist further over the phone at


What is this

if you are doing a clean XP install the CD will ask if you if you want to change your partitions.Afterwards it will automatically format the hard drive.Some of the OS discs dont come with drivers you will have to hunt for them on the internet.If you are using a restore disc copyied from a working machine it should have generic drivers already loaded in the disc.

Seagate harddrive diskread error

go to bios and see there whether it is showing showing your hard disk or not if it is showing then re-install your XP again format your hard disk with the slow formating option,while re-installing it.
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