HDD Printed circuit board (PCB) with board number 4060-705078-001 is usually used on these Western Digital hard disk drives:
- WD My Book Elements Hard Drive
The 4060-705078-001 Western Digital PCB repair process can usually be divided into 2 steps: find a replacement PCB and firmware transfer.
4060-705078-001 Western Digital PCB: Board Number
Finding a donor Western Digital PCB board is easy, you just need to open the hard drive and find the board number like “2060-*** on the board. The following picture shows the board number of 4060-705078-001 Western Digital PCB.
4060-705078-001 Western Digital PCB: BIOS Chip
The BIOS chip on the PCB board is very easy to find. The 8pins chip is the BIOS chip. If the chip is not found on the board, you need to exchange the main chip (the largest chip). The following picture shows the BIOS chip of 4060-705078-001 Western Digital PCB.
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BIOS chip holds unique data (firmware) required to access the hard drive system area. If PCB firmware is missing or incorrect, there is no access to the hard drive, and no access to user data, so the process of BIOS chip repalcement is also called firmware transfer.
PCB Board firmware transfer tool: hot-air gun, tweezers, screwdrivers
4060-705078-001 Western Digital PCB: Repair Video
The following video from YOUTUBE shows the repair process of 4060-705078-001 Western Digital PCB.