Seagate PCB 100721570 Failure

PCB failures (Such as Seagate PCB 100721570) affect thousands of hard drives every year and often result in permanent data loss. A hard drive may suddenly fail to power on, and a computer may not detect that it is plugged in. Some failed hard drives will also show up in computer BIOS with incorrect brand/model information. PCB failures can also cause physical issues such as read/write head failures, and many PCB failure symptoms overlap with the symptoms of other physical hard drive issues.

Some emails from customers of Seagate PCB 100721570 failures are listed below, along with tips for replacing & repairing.

Seagate PCB 100721570 Failures:

Q: Short points for ST5000DM000

Would greatly appreciate short points on PCB 100721570 as per attached

100721570pcb.jpg (913.82 KiB) Viewed 4587 times

Fortunately, just found answer on current blog post!

Q: External HDDs – wrong power supply, need advice.

‘presumably’ diode gives 127 in one direction and 528 in another wdJPG Here’s a picture of the same board that i found online Not identical in markings, but components look the same (for better clarity) diodejpg Here’s the Seagate board (100721570 rev E) I was able to find that exact(allegedly) board online I will have to find a local soldering guru to transfer the bios chip, but aside from that I would still like to attempt to see if I could rectify the problem singlehandedly Far

Replacement Seagate PCB 100721570:

To repair a failure board, the simple way is swapping the failure board with a replacement board. Donor boards on HardDriveParts.com are listed below:

Contact US

If you have any questions, please feel free to contact us: sales@harddriveparts.com