When it comes to data recovery one of the most common problems Western Digital(WD) hard drives experience is burnt cuircuit board(PCB).
WD drives are very vulnerable to overheating, power surges and streaks.
Quite often bad power supply unit combined with power streak is usually
enough to fry spindle driver chip on the electronics and make the data
inaccessible. Should this occur the computer would reboot or shut down
completely, you would normally notice acrid smell of smoke coming from
your PC and when powered on the drive would not spin up at all and
appear to be completely dead.
If
this is the case you can try to swap PCB from another WD drive of the
same model but your chances of success are close to zero, especially on
newer hard drives. The problem is that logic board on modern hard drive
is adapted to the head disk assembly it was manufactured with. In our
lab we use specialized software and hardware to rebuild these
parameters or transfer them from fried board to make donor PCB fully
compatible with damaged drive.
All Western Digital hard drives are also well-known for their firmware problems.
Firmware
of the drive is not located on the logic board as most people think.
Main part of firmware is stored on the platters in so-called Service Area.
Service Area occupies the negative cylinders of the surface and
contains a number of firmware modules. If one of the modules gets
corrupted the hard drive fails to initialize correctly and stops
working making the data inaccessible. In such case the drive usually
spins up fine, it doesn't click but has one of the following symptoms:
If
you attempt to boot up from such drive or read any data from it you
would get "Primary Master Hard Disk Fail" or "No operating system
found" or "USB Device malfunctioned" error or "S.M.A.R.T. Capable But
Command Failed" or "Disk boot failure. Insert system disk and press
enter", "Hard drive not recognized", "Drive Mount Failure" or some
other hard drive boot error. At the moment it is not possible to fix this kind of problem at
home. It is quite a complicated job and requires use of specialized
expensive equipment and deep knowledge of hard drive design and data
recovery technology to repair the firmware. Luckily, it is not usually
necessary to open the HDD in clean room and order donor drives, so
chances of successful data retrieval are close to 100%.
Another quite common symptom Western Digital drives experience is clicking/knocking/clunking/sweeping noise.
Western Digital drives also have common problem with spindle
seizure. Usually this occurs after a fall and the drive either doesn't
spin up at all with a siren sound: or starts up with loud noise unable to gain enough rotational speed: .
Data recovery in such case involves removing platters from the hard
drive in clean room environment and putting them into matching donor.
This complex and precise procedure requires a lot of experience and use
of specialized hardware to maintain platters in perfect alignment.
WD laptop drives(Scorpio, UE,VE series) share some typical 2.5 inch HDD problems. One of them iwhere can I find instructions on how to install a - headstick2.jpgcktion to the platter surface.
Heads
are normally parked on the parking ramp outside of the platters, but
sometimes after a fall or abnormal termination they fail to return to
their regular parking position and are left on the surface. Immediately
after the motor stops spinning they stick to the ideally smooth surface
and it becomes impossible to free them without proper tools and
experience. Don't attempt to open the drive by yourself - you will
damage the platters and this will make your data unrecoverable. There is one more problem that is typical for all Western Digital drives: bad sectors.
After some period of time magnetic media the platters are covered with
starts to degrade and magnetic domains can't turn in the desired
direction by writing element of the head. This is how bad sectors
appear.
When the drive starts reading data from such unreadable bad sector it could start freezing, scratching and sometimes even clicking: .
Usually on boot up you would get "SMART failure predicted" or some
other SMART-related error. All this leads to further damage to the
surface, heads and causes more data loss. Any further reading attempts
would just add up to the problems and could make your data
unrecoverable. In our lab we use special imaging hardware tools that
are capable of reading raw sector data ignoring low level checksum
check. That's usually the only way to retrieve as much files as
possible from such sectors.
If you experience any of the symptoms described above with your Western Digital WD1200BB-00CAA0 please feel free to contact us to get upfront quote on data recovery from your failed drive.
When it comes to data recovery one of the most common problems Western Digital(WD) hard drives experience is burnt cuircuit board(PCB).
WD drives are very vulnerable to overheating, power surges and streaks.
Quite often bad power supply unit combined with power streak is usually
enough to fry spindle driver chip on the electronics and make the data
inaccessible. Should this occur the computer would reboot or shut down
completely, you would normally notice acrid smell of smoke coming from
your PC and when powered on the drive would not spin up at all and
appear to be completely dead.
If
this is the case you can try to swap PCB from another WD drive of the
same model but your chances of success are close to zero, especially on
newer hard drives. The problem is that logic board on modern hard drive
is adapted to the head disk assembly it was manufactured with. In our
lab we use specialized software and hardware to rebuild these
parameters or transfer them from fried board to make donor PCB fully
compatible with damaged drive.
All Western Digital hard drives are also well-known for their firmware problems.
Firmware
of the drive is not located on the logic board as most people think.
Main part of firmware is stored on the platters in so-called Service Area.
Service Area occupies the negative cylinders of the surface and
contains a number of firmware modules. If one of the modules gets
corrupted the hard drive fails to initialize correctly and stops
working making the data inaccessible. In such case the drive usually
spins up fine, it doesn't click but has one of the following symptoms:
Ifit is not found in BIOS at all
identifies with its factory alias(for example WDC ROM MODEL-MAMMOTH---,WDC ROM MODEL-HAWK---),
shows up with wrong S/N (for example WDC-ROM SN# XYZ---) or capacity,
identifies fine but fails to read any data or boot up operating system giving I/O device errors whenever you try to access LBA sectors.
you attempt to boot up from such drive or read any data from it you
would get "Primary Master Hard Disk Fail" or "No operating system
found" or "USB Device malfunctioned" error or "S.M.A.R.T. Capable But
Command Failed" or "Disk boot failure. Insert system disk and press
enter", "Hard drive not recognized", "Drive Mount Failure" or some
other hard drive boot error. At the moment it is not possible to fix this kind of problem at
home. It is quite a complicated job and requires use of specialized
expensive equipment and deep knowledge of hard drive design and data
recovery technology to repair the firmware. Luckily, it is not usually
necessary to open the HDD in clean room and order donor drives, so
chances of successful data retrieval are close to 100%.
Another quite common symptom Western Digital drives experience is clicking/knocking/clunking/sweeping noise.
The
drive spins up, and and the heads start clicking with a constant or
intermittent sound while unsuccessfully trying to locate firmware zone:
, , , . Usually this is a sign of damaged or crashed heads
and it means the drive needs to be opened in a class 100 clean room
environment in order to replace head stack assembly. Don't try to open
the drive by yourself - you could damage the platters making your data
unrecoverable.
Western Digital drives also have common problem with spindle
seizure. Usually this occurs after a fall and the drive either doesn't
spin up at all with a siren sound: or starts up with loud noise unable to gain enough rotational speed: .
Data recovery in such case involves removing platters from the hard
drive in clean room environment and putting them into matching donor.
This complex and precise procedure requires a lot of experience and use
of specialized hardware to maintain platters in perfect alignment.
WD laptop drives(Scorpio, UE,VE series) share some typical 2.5 inch HDD problems. One of them is heads sticktion to the platter surface.
Heads
are normally parked on the parking ramp outside of the platters, but
sometimes after a fall or abnormal termination they fail to return to
their regular parking position and are left on the surface. Immediately
after the motor stops spinning they stick to the ideally smooth surface
and it becomes impossible to free them without proper tools and
experience. Don't attempt to open the drive by yourself - you will
damage the platters and this will make your data unrecoverable. There is one more problem that is typical for all Western Digital drives: bad sectors.
After some period of time magnetic media the platters are covered with
starts to degrade and magnetic domains can't turn in the desired
direction by writing element of the head. This is how bad sectors
appear.
When the drive starts reading data from such unreadable bad sector it could start freezing, scratching and sometimes even clicking: .
Usually on boot up you would get "SMART failure predicted" or some
other SMART-related error. All this leads to further damage to the
surface, heads and causes more data loss. Any further reading attempts
would just add up to the problems and could make your data
unrecoverable. In our lab we use special imaging hardware tools that
are capable of reading raw sector data ignoring low level checksum
check. That's usually the only way to retrieve as much files as
possible from such sectors.
If you experience any of the symptoms described above with your Western Digital WD1200BB-00CAA0 please feel free to contact us to get upfront quote on data recovery from your failed drive.
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