SOURCE: Hitachi DK23BA 15 GB Hard Drive
The problem isn't in replacing the hard drive 'per se', for that you just need an EIDE 2.5" hard disk of suitable capacity - anything above 15 Gb, and chances are you can't even find anything below 60 Gb nowadays.
The problem lies in unmounting the hard disk (and that depends on your PC make and model, which you do not state) and in backing up the previous disk's data.
Anyway, since the DK23BA is a 2.5" HD, we're dealing with a laptop. Most laptops have a special hard disk bay, held in place by two or three screws and marked with a hard disk symbol (sort of cylinder shown in perspective). Unscrew the bay (or unlock the bay door), and you'll see a metal casket usually held by a tab or additional screws. The hard disk is inside, and the flat cable powering it is usually either a "micro" model with a gripping tab to extract it, or a slide into which the hard disk is slotted. Un-slot the hard disk by sliding it horizontally, or unclamp the flat cable, and get out the casket. There are two types: one is screwed flush to the hard disk, the other comes away by itself and is held to the hard disk by the same screws holding it to the chassis.
Note the position of the hard disk (belly up or belly down) because the new hard disk will have to be put in the same position. Swap the hard disks and remount everything in reverse.
The PC now will not boot because the new hard disk is empty. You need to format it and install the OS on it. In the case of Windows OSes you also need the serial number (usually on the PC, the license, or the paper envelope the original CD came in).
At this point my suggestion is to purchase an external 2.5" USB drive enclosure (around US$ 15) and install the old hard disk, if it works still, inside. Then you can connect the old disk to the new computer and copy all your old data.
If you want to "clone" the old disk, proceed as above, but use a "rescue CD" (there are many around, the free ones usually Linux based) and boot off the CD. Then tell the rescue program that the disk to recover is the USB one, and to recover it onto the new disk. You'll end up with a bunch of free space on the new drive, and you'll probably be asked whether to repartition it and make it available. Do so, and you'll end up with a C:\ disk which is identical to the previous one, and a D:\ disk holding whatever extra space the new drive has that the old hadn't - for a 60Gb hard drive, that'll mean a 15Gb C: and a 45Gb D:.
This is a very general walkthrough and requires some experience in dealing with PCs. So far as you don't WRITE anything to the old disk, and don't drop it or mount the new one the wrong way, whatever you do should be undo-able.
SOURCE: HItachi deskstar Hard disk 80gb 7200 rpm
check the power cord of your hard disk. It should be tight not loose, if not solve then change the power cord.
SOURCE: Hitachi External hard drive 500GB doesnt turn on
Hello
Okay , so there are some steps to figure out what is wrong with your external.
Firstly , if your computer makes a sound when you plug in your external ,
go to Start-Control Panel-Administrative Tools-Computer Management-Disk
Management , and see if your external drive is listed here with your
local drives. If it is listed , right click on the drive and change the
drive letter to make it appear in "my computer".
If your drive does not make a connection sound when connecting to your
computer and also does not show up , please follow the next step.
Remove the hard drive from the casing if possible and install it in your
computer case or another external case.If the drive works , the problem
is with the casing and you can ignore the drive.
Now , if the problem is with the casing , there are still 3 possibilities.
The
latter is the easiest to diagnose , does your external light up at all
when you plug in the power? If not , then this is probably your problem.
On the bottom of the adapter is a label which you will be able to use
to have a new adapter made at your local electronics shop and this will
cost about $30 max. They will also be able to test the adapter with a
clamp meter to see if this is really the problem and this should be
free.
The second component you want to test is the USB cable. If
you have a printer , swop out the cables and see if your printer
functions normally. Most externals use the same connector so you should
be able to test it in this manner. If the cable works go on to the last
step. If the cable is defective , replace it with a new one which you
can find for about $10 at most electronics and chain stores.
The
last component to test is the circuit board. This is a bit of a grey
zone as you probably won't be able to spot the blown component unless it
failed really badly. With the casing already opened , locate the
external's circuit board and check to see if you have any blackened
components or fluids leaking from some components. If all the other
components of the external worked perfectly , then this is the faulty
part. It is not really economical to replace the circuit as most of the
time it is out of production by the time you need to replace it and it
still costs a lot even if it is available so if your drive is working
perfectly when connected via sata or IDE on your computer , the best is
to buy a new casing and place your old drive in the new casing.
A casing costs about $50 and you could get it at most tech shops and big chain stores like Best Buy.
I hope this solves your problem and please reply if you need more help.
Kind Regards
Andrea
SOURCE: Hi, How urgent is to change my HD while it
This is not an urgent issue, it is normal for a hard drive to have bad sectors. When you consider there are billions of sectors on a typical hard drive, 10 is pretty insignificant.
Regards,
Gene Gilbert
SOURCE: Hitachi Deskstar - modelo HDP725050GLA360
Hola que tal, tengo malas noticias, cuando un disco duro se cae lo mas probable es que se dañe, lamentablemente no hay forma de reparar el disco pero sí de extraer la información que está grabada en él, cuesta muchisimo dinero extraer la informacion ya que requiere de equipos y personal calificado para la recuperación, si la información es muy importante y si puedes pagar aproximadamente 600$ por la recuperación el camino a seguir es buscar una empresa de recuperación de datos en tu país.
Lástima darte estas malas noticias...
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