Does a clicking internal HDD mean that the platter is scratched and the data is unrecoverable for professionals? It clicks for 10 seconds during boot-up and then stops. - Quora
Hard disk drive platter - Wikipedia
VC&G | » How Not to Dismantle a Hard Drive
WD and Seagate mull 10-platter HDDs: Stopgap or BFF? – Blocks and Files
Definition of platter | PCMag
Upgrading and Repairing PCs Tip #9: What Is a Hard Disk Drive and What Does It Do? | | InformIT
Computer hard drives buying tip
Challenges in Data Recovery from Hard Drive with Scratched Platter?
The Truth Behind Scratches on Hard Drive Platters - Aesonlabs®