Most people can’t distinguish the HDD problems cause by HDD PCB failure and HDD firmware corrupted. Now we offer some advice as below, please refer:
HDD PCB Failure Symptoms:
When a hard drive fails due to PCB failure, the drive usually cannot boot up or there may be an inaccurate display in the BIOS of the hard drive’s information. Also power may not get to the hard drive and as a result it will not spin up.
HDD Firmware Corrupted Symptoms:
- The drive will power up normally (no ticking noises, errors etc) but will not be recognized by the computer.
- The drive will power up normally and be recognized correctly but will report a size of 0 bytes
- The drive will power up but report SMART errors on boot
Article by Hard Drive PCB Sales: HDDZone.com