If your hard drive goes bad, you need to fix it immediately. But unless you know what the problem is or have the necessary skills to fix it, you will be in trouble. If your disk head or motor hasn’t been damaged, then you should consider yourself lucky. This means that the problem is in the controller board or printed circuit board (PCB). Due ot power surge or overheating of the drive, this board can be damaged. If this is the case, then you can easily replace the PCB and bring your hard drive back to life. Here are the steps how to do it.
1. Take drive details down
Get a replacement PCB that is same as your current one. Note down the model number, the P/N, the Firmware code, Site code, Data code and the Main Controller IC number.
2. Search for it online
Go to hdd-parts.com and enter the model of the dead into the search box at the top of the page. Look through the list of results and find the drive that matches all the numbers you noted down. Once you find a match, buy it.
3. Check your parts
You will get your new PCB within 6 to 10 working days. You will receive your PCB, along with a torx screwdriver and installation instructions.
4. Remove the old PCB
On top of the PCB there are five screws that connect to the hard drive. Undo them using a torx screwdriver. Once you remove all the screws, put them on a zip-lock bad so that you don’t lose them.
5. Attach new PCB
Before putting on the new PCB, you must ground yourself first. You can upt on an anti-static wrist band and then take our the replacement PCB carefully out of it’s anti-static bag. Place it on your old hard drive. Make sure to line it up with the original screw holes. Take out the screws from the zip-lock bag and screw the PCB down, making sure that the screws are tight enough.
6. Try out the hard drive
After you have successfully placed the new PCB, turn on the computer and see if it works. If the problem was due to faulty PCB, it will work.
If your hard drive fails to work due to damaged PCB, then taking the above steps can easily solve your problem. If your hard drive still doesn’t work, you need to take it to an expert for fixing it.