Data
Clinic Ltd Site Map
http://www.dataclinic.co.uk
Hard
disk / data recovery faults, problems, research and solutions
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Page
Home
Directions / How to find us
Why
send your data recovery work to Data Clinic ?
Data Recovery from Hard Disks
General
- Data recovery services overview
- Types of hard disk failure
- Recovering data
from failed SATA hard disk drives
- Tips
& advice on troubleshooting & diagnosing hard disk problems
- Hard disk
error messages (mainly Windows PCs / BIOS)
- Hard disk drives
with bad sectors
- Hard disk drives suffering with CRC
errors
- Hard disk headcrashes
- Hard disk drive firmware
- Hard disk drive defects
table - the Plist and the Glist
- FAQ: Data loss and data
recovery
- 8 Golden rules for minimizing
data loss
- Data Clinic's Advanced
Data Recovery research and development programme
- Data Clinic's hard drive
recovery cleanroom facilities
- Data Clinic's Hard
Drive Integration and Testing facilities
- Retrieval
and recovery of digital pictures (photos) and images
- Recovering CCTV footage
from DVR systems
- Data recovery
from memory sticks, memory cards and flash devices
- Knocking
/ ticking hard disk drives (head failure)
- Data
recovery for schools, colleges and universities
Servers
and RAID
- Data recovery from RAID failure
- RAID data recovery
primer
- RAID faults: What NOT to do
- Recovery
of data from Microsoft Exchange / SQL / and various email formats
- Case Studies: Recovery of
lost data from Windows RAID servers
- Case Studies: Recovery of lost data
from Mac RAID servers
Desktop
hard disk problems, faults and failures (Manufacturer Specific)
- Failure of Fujitsu MPG
/ MPF hard disk drives
- Common
failure symptom on early Fujitsu (MPA, MPB, MPC and MPD) hard disk
models
- Failure of Maxtor hard
disks
- Recovering data
from Maxtor DX541 (2B series) and Fireball 3 hard disks (eg.2B020H1)
- Data loss from
Maxtor DiamondMax Plus 8 hard disks (eg. 6E040L0)
- Restoring
lost data from Maxtor DiamondMax Plus 9 drive failure
- Burnt chips
/ components (electrical failure) on DiamondMax Plus 9 disks
- Failure symptoms
and recovering lost data from Maxtor DiamondMax 10 SATA / ATA hard
drives
- Recovering
Maxtor drives with incorrect sector boundaries
- 'Incorrect' BIOS identification
of recognised Maxtor hard disks during startup / POST
- Quantum hard disk
failures
- Quantum AS hard
disk recovery
- Recovery
of data from legacy Quantum hard drives (Prodrive and Bigfoot etc)
- Western Digital
WD series related problems
- Western Digital
firmware related symptoms
- Western Digital
Caviar family hard drives faults and recovery
- Western
Digital Caviar - further failure types on noisy drives exhibiting
inconsistent motor spin at startup
- Western
Digital Caviar - symptoms of hard disc drive failure on early models
- Western Digital
Protege series - failure symptoms
- IBM Deskstar
faults and recovery ('click of death')
- IBM Deskstar
- more faults and recovery (NV-Ram)
- Seagate 3.5"
hard disk drives: Data recovery
- Seagate
Barracuda IV, V, and 7200.7 drive failure symptoms
- Typical failures
of SCSI hard disk drives
Laptop
hard disk problems, faults and failure (Manufacturer Specific)
- Laptop data loss and restore data
(intro)
- Failure
and data loss on laptop hard disk drives (intro)
- IBM
/ Hitachi Travelstar failures and faults
- Travelstar
5K80 & 80GN additional failure types / symptoms
- Drive
failure on Fujitsu laptop hard disks
- Data recovery on
the Hitachi DK23 family of laptop hard disk drives
- Failures on
Hitachi DK23BA hard drives
- Failures
and problems associated with Toshiba laptop hard disks
- Data loss and
recovery from Seagate Momentus laptop hard drives
- Faults and failure
symptoms from Western Digital Scorpio laptop hard disk drives
- Data recovery & hard
drive failure symptoms on Samsung laptop disks
Apple
Mac specific
- Apple Mac data recovery
- Data recovery
& conversion on Apple 'Classic' (pre OSX) systems
- Apple OS X data recovery
- Apple OS X - file system and data recovery
- Apple X-Serve
data recovery
- Ipod failure
& repair - broken, faulty and damaged devices
UNIX
/ Linux specific
- Linux data recovery
- Structure of the
Linux file system
- Data recovery: Native Linux
file system
- Data recovery: Journaling
Linux file systems
- Data recovery: Linux support
for non-Linux file systems
- Data recovery on Sun Solaris
systems
Data
Loss
- Causes of data
loss on hard disk drives - Part 1
- Causes of data loss
on hard disk drives - Part 2
- Causes of data loss
on hard disk drives - Part 3
Loss
of data due to software corruption (such as Operating System etc)
- PST and EDB file errors
- Restore and recover data
after Ghosting / Imaging
- Restoration of data
from Format and FDisk command
- Recovery
of data from repartitioned hard drives
- Cautionary
advice: Use of Scandisk, chkdsk and fsck file system repair software
- Disabling scandisk and chkdsk
- Win 98, 2000, ME, XP
External hard disks
- External USB / Firewire
hard disk recovery
- Data recovery
from Lacie USB / Firewire hard disk devices
- Faults, failures and
data recovery from Iomega Zip and Jaz devices
-
Data Recovery case study:
Laptop hard disk
- Data Recovery
case study: Unidentified laptop hard disk drive
- Data
Recovery case study: Writing a password removal tool using EMAK for
an ATA protected Seagate Momentus hard disk
- Data Recovery
case study: ATA password removal on a Fujitsu laptop hard drive
- Data Recovery
case study: Maxtor DiamondMax 8 (6E020L0 N40P) with service area (firmware)
corruption
- Data
Recovery case study: Data recovery from flooded RAID 5
- Advanced Data
Recovery - Example 1
- Advanced Data
Recovery - Example 2
- Advanced
Data Recovery (ADR) on laptop drives
- Advanced
Data Recovery - Corroded / oxidised PCBs
-
Tape data recovery
- RAID
and Server file recovery
Hard
disk and data recovery resource section (White Papers, Research, Experiments
etc)
(a) General
Resource Section home page
(links to all the pages below plus various White Paper research on
hard disk manufacturer's sites)
Hard disk introduction
(an introduction to hard disks)
General
types of hard disk failure (a basic introduction into how a hard
disk can fail)
IDE,
ATA, DMA introduction (an introduction to ATA, IDE and DMA - this
is used by most modern hard disks)
SCSI
introduction (an introduction to SCSI hard disk technology)
Hard disk glossary
(a glossary providing a definition of related terms)
Hard disk RAID
(an explanation of RAID levels, such as RAID 0, RAID 1 etc)
Hard disk SMART
(a technology used on modern drives)
Hard disk
Microscopy 1 (an advanced scientific method of data investigation
and recovery)
Hard disk Microscopy
2 (an advanced scientific method of data investigation and recovery)
Hard disk filesystem
data structures, chain of events in disk read / write access (UNIX
background)
Hard disks - the
superparamagnetic effect
(b) Advanced
FDB spindle
motor and apparent related firmware problems
Hard
disk drive beeping - motor related problems, faults and symptoms
Electrical
fault on hard disk using a Maxtor Calypso III PCB as an example
Disassembled
spindle motor and fluid bearing from an IBM Travelstar
The
hiding and concealment of data on a hard disk
In lab strip down of a contaminated read write
head
Electron microscope picture of failed r/w
heads
Using an oscilloscope
to study hard disk bad sectors
Maxtor G-List corruption on
slimline hard disk models
Smooth L2750 hard disk controller
chip
Hard disk bad
sector repair programs - How they work
Monitoring the read / write
signals from hard drives
Removal of ATA passwords
from hard disks
Recovering
data from encrypted hard disks
Data recovery
from hard disk drives with corrupt 25P05AVG flash ROM chips
Information on RAID XOR parity calcualtions
Spinstand data recovery research
Hard disk drive HDA parts
compatibility
PCB compatibility
guide for Hitachi / IBM drives
PCB compatibility
guide for Fujitsu drives
PCB compatibility
guide for Hitachi DK23 drives
PCB
compatibility guide for Seagate hard drives
Hard disk repair: platter and
voice coil magnet removal
Diskmaster
Diskmaster data recovery
hardware
Development
Bulletin #1 (Q4 2007)
Data recovery
training courses - Seagate hard disk drives: Repair / Restoration
and Recovery
Data
recovery training courses - Maxtor hard disk drives: Repair / Restoration
and Recovery
News
News January 2008
Photos
Impact damage
on a hard disk drive
Head
crash on an IBM Deskstar DTLA
Existing
Customers
- See who we've successfully
recovered data for
Translations
- Recupero
Dati (Data Clinic web site in Italian)
Other data related topics
Terms
and Conditions
Computer
crime - data forensic investigations (forensic data recovery and
investigations)
Computer investigation case studies
(various computer forensic cases involving the Data Clinic)
Electronic evidence ACPO guide - Best
Practice guide written by the Association of Chief Police Officers
Child
Pornography - The law regarding creating, making, possessing and distributing
illegal images involving digital media (eg. hard disks)
Guidelines
and procedures for seizing and securing computer and digital evidence
Instructing
the Data Clinic to examine computer based evidence - Details our
investigative procedure
Computer seizure
and discovery of evidence FAQ - Common questions asked before
a computer investigation takes place.
Forensics
Presentation - Please download our presentation delivered to Northumbria
University Students, Newcastle, England, 2007.
Data
Conversion (cross-media conversion, taking the data from an often
old legacy media and copying it across to modern media)
Data Elimination (the
permanent removal of data from media)
- Best
approaches to take with data destruction / wiping
Data Backup (storage of data in case
of catastrophe)
- Why
it is important to backup data
- Data
Clinic Backup's In-File Delta technology
