We first look at the following two pictures. Picture 1 is the “BIOS CHIP” of the circuit board. When we replace the PCB, we need to swap the “BIOS CHIP” with your original PCB.
Picture 2 shows the “Board Number” of the board, and the “Board Number” must be the same!
FAQs of 100720903 PCB
- Seagate Portable HDD PCB diode
- Seagate Expansion Portable Drive not detected
- ST1000LM025 conversion
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- SAMSUNG ST1000LM024 HEAD SWAP AND DEAD
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- Samsung USB to SATA PCB Compatibility
- Samsung Error
Solutions of 100720903 PCB (Donor PCB)
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- ST1000LM024, HN-M101MBB/SZ2, 2BA30004, 100720903, Samsung SATA 2.5 PCB
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Note: When repairing a hard disk with a damaged circuit board, we must first ensure that the damage of the hard disk is caused by a circuit board failure. Usually it is relatively simple to replace the circuit board. The tools we need are heat guns, tweezers, etc., you can also find a local repair shop to help you complete this work.