Data Recovery
Hard Drives
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Deleted Files
Files that have been deleted from a Hard Drive (HDD for short) are usually recoverable, as long no new data were written do the hard drive.
Formated File System
Hard drives must be formatted for OS use. Windows uses NTFS; Linux supports Ext3/4, Btrfs, ZFS; macOS uses APFS. FAT32/exFAT are common for external drives. Accidental formatting can cause data loss.
Partition Corruption
Partition table damage can make drives unreadable, showing as blank, unknown, or RAW. This is more common with USB drives like external HDDs due to frequent disconnections.
Bad Sector
Damaged sectors can cause drive issues, such as:
- Boot failure
- Corrupted data or partitions
- Firmware errors
- Unusual mechanical wear
Firmware Corruption
Hard drive firmware controls core functions like reading, writing, and data access. If corrupted, the drive may fail to initialize, respond slowly, malfunction, or go unrecognized by the system.
Mechanical Failures
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Hard drives
If your Hard Drive has one of many issues described make sure to turn off the computer immediately and avoid trying to fix your problem.
A brief description of each logical failure is available in the section below:
Deleted Files
Files that have been deleted from a Hard Drive (HDD for short) are usually recoverable, as long no new data were written do the hard drive.
Formatted File System
Hard drives are formatted in order to be used by an Operating System (OS). Windows (XP, 7, 8, 10 and 11) do use the NTFS file system, Linux uses many file systems (I.E. : Ext3/4, ZFS, BRTFS and etc.) . Sometimes, especially with external drives Windows might detect an issue with the HDD and offers to format the drive. Or the User can format the wrong partition of the HDD.
Partition Corruption
Damage or corruption of the partition table could lead to partitions becoming inaccessible (blank disks, unknown partition or file system). Usually USB drives such an external HDD do have more chances of having such issue.
Bad Sector
Sectors on a hard drive are sections of the platter where data is written and read from. Once they become broken or damage, they can make the drive behave very strangely. Here is a list of symptoms of bad sectors failure:
- Unbootable drive
- Corrupt partitions
- Corrupt files and directories
- Corrupt firmware
- Unusual wear and tear on the drive
Firmware corruption
Firmware on a hard drive is software that is actually written to the platters, and is responsible for many major functions of the hard drive including accessing the data, as well as reading and writing to the drive. When the firmware is corrupted the following symptoms can occur.
- Drive will not initialize
- Drive is slow responding
- Drive is not running properly
- Drive will not be recognized by the computer
Supported UDD Sata, IDE 1.8″,2.5″ & 3.5″, ZIF, LIF, mSATA, Micro SATA.