| Hard disk failure occurs when logical or physical | | | | Disk platter surface material evaporate and read/write |
| malfunction takes place. The logical malfunction | | | | head get stuck with surface (It ultimately happens if |
| happens because of issues like file system corruption, | | | | the above process repeats again and again) |
| operating system failure, application corruption (like | | | | Hard disk fails and stops rotating |
| antivirus), malicious software and more. The physical | | | | Thus, before turning the system on, hard disks should |
| failure takes place due to issues like read/write head | | | | be given ample time so that the condensed droplets |
| damage, platters malfunction, actuator arm damage | | | | can evaporate. It entirely depends upon degree of |
| etc. Head crash is the main reason among all physical | | | | temperature change ensued. |
| failure scenarios. It occurs when the read/write head | | | | However, to recover lost and inaccessible information |
| comes in contact with the platters’ surface which | | | | from hard drive failed due to sudden temperature |
| can cause complete hard drive failure. As a fact, read | | | | changes, hard drive recovery software comes to |
| write head hovers at few micrometers height from | | | | rescue. The process is carried out by data recovery |
| platter surface. Apart from head crash, the common | | | | experts and nvolves component level operations |
| reasons causing physical failure are dust particles, | | | | aimed at fixing the damaged media and accessing the |
| humidity, excessive heat (like due to direct sunlight or | | | | inaccessible data. Such steps include repair or |
| fire) etc. Thus, to avoid Hard Disk Recovery in the | | | | replacement of physically damaged hard disk internals, |
| near future, you should take all these factors into | | | | displacing disk platters etc. To prevent any damage or |
| account while setting up your system hard drive(s). In a | | | | further data loss due to any step, experts recover |
| nutshell, you should ensure proper heat dissipation, no | | | | data from the disk images. |
| humidity and odust particles. | | | | Platters are extremely sensitive to dust-like particles |
| For example, sudden high temperature changes can | | | | and that’s the reason they are analyzed in sterile |
| cause hard disk failure as: | | | | Clean Rooms. The Clean Rooms are controlled lab |
| You shift your computer system from a cold | | | | environments which are free from factors like dust |
| environment to a moderately warmer environment or | | | | particles, humidity, ESD (electrostatic discharge) etc. |
| vice-versa. | | | | Hard Disk Recovery can’t be accomplished if |
| Hard disk internals encounter sudden condensation | | | | platters are damaged or if their magnetic material is |
| You turn on the system before condensation could | | | | evaporated or scratched off. |
| evaporate | | | | |