For all more recent hard disks, changing the circuit board will only rarely help. This is because there are so many parameters that can differ even in an identically produced hard disk. The circuit board contains individual information that is relevant only to the hard disk in question. Careful: working circuit boards can be destroyed by dismantling.

- What can I do myself?

- Can free data retrieval software help?

- Does changing the circuit board help?

- My friend has tried, what can I do now?

- Put the hard disk in the fridge?