How to repair Fujitsu PCB CA21350-B12X

If a Fujitsu hard disk drive with the PCB board CA21350-B12X inside has the following failure symptoms, you need to replace and repair it in order to recover data on it, this article will show you how to buy a matching donor (replacement) PCB CA21350-B12X and how to replacing it step by step.

Hard Drive PCB Failure Symptoms:

Hard drive can’t spin up (If you hear a tick, or do not hear or feel any movement, the PCB is probably defective);
A burning smell can be sensed coming from the hard drive; Burnt hard drive PCB components (“Motor Control Chip” burnt, “TVS Diodes” burnt, “Main Controller IC” burnt) on the PCB;
The HDD be connected to wrong power supply;
HDD PCB’s interface damaged;

Steps to repair Fujitsu HDD PCB CA21350-B12X

Step 1: Find a donor Fujitsu PCB CA21350-B12X
To buy a matching donor PCB for Fujitsu HDDs, we need to make sure the “Board Number” on the PCB is the same. Board number is begin with “CA*** “. Check the board number on your hard drive, make sure it is “CA21350-B12X“.

Fujitsu HDD PCB CA21350-B12X
Fujitsu PCB CA21350-B12X

Note: We have listed some models of hard drives which are using the CA21350-B12X PCB on hddzone.com for convenience, but to make sure, you’d better to unscrew your hard disk and have a look on the board.

Step 2: Buy Fujitsu PCB CA21350-B12X Online
Then search with “CA21350-B12X” in the search box on HDDZone.com and order it online. HDDZone.com provide worldwide free shipping (7-20 business days), we also provide expedited shipping (3-7 days) such as DHL & UPS.

Search for Fujitsu HDD PCB CA21350-B12X
Search for Fujitsu PCB CA21350-B12X On HDDZone.com

Step 3: Firmware Transfer on Fujitsu PCB CA21350-B12X
In most cases, you need to transfer the “BIOS” chip (HDD firmware are usually stored in the “BIOS” chip or “Main Controller IC” chip) before you swap hard drive PCB, in order to make the donor board compatible with your HDD.

Fujitsu HDD PCB CA21350-B12X
Fujitsu PCB CA21350-B12X

Step 4: Recover and Backup Data
After the firmware transfer is completed, the Fujitsu hard drive PCB CA21350-B12X replacement repair process is finished! Connect your HDD to your PC and restart your computer, you will be able to recover data from your HDD now! Backup! Backup! Backup!

Data Backup
Data Recovery & Backup

Tips: Most of the TV, phone, electronics repair shop can offer this firmware transfer service for just $5-20.

Hard Drive PCB Failure Symptoms:

Steps to repair Fujitsu HDD PCB CA21350-B12X

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