How to repair Toshiba PCB G3959A

If a Toshiba hard disk drive with the PCB board G3959A 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 G3959A 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 Toshiba HDD PCB G3959A

Step 1: Find a donor Toshiba PCB G3959A
To buy a matching donor PCB for Toshiba HDDs, we need to make sure the “Board Number” on the PCB is the same. Board number is begin with “G00***”. Check the board number on your hard drive, make sure it is “G3959A“.

Toshiba PCB G3959A Board Number

Note: We have listed some models of hard drives which are using the G3959A 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 Toshiba PCB G3959A Online

Then search with “G3959A” 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 Toshiba PCB G3959A On HDDZone.com

Step 3: Firmware Transfer on Toshiba PCB G3959A
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.

Toshiba PCB G3959A Firmware Transfer

Step 4: Recover and Backup Data
After the firmware transfer is completed, the Toshiba hard drive PCB G3959A 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 Recovery & Backup

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

Related Links:

• Guide: Toshiba PCB Swap Replacement Guide
• MQ03UBB200 Toshiba PCB G3959A
• MQ03UBB250 Toshiba PCB G3959A
• MQ03UBB300 Toshiba PCB G3959A
• Toshiba PCB G3959A