www.hdd-parts.com Tutorial: how to fix hard drive by swap the PCB board 1. How to find the correct donor board 2. Why the PCB board firmware (BIOS) transfer is a MUST? 3. What is the PCB board firmware (BIOS)? 4. Where is the PCB board firmware (BIOS)? 5. How to transfer the hard drive PCB board firmware (BIOS)? Technical support:
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