Title: Troubleshoot hard drives and RAID arrays.
Course: Cybersecurity Systems Technology (10109-III) > Section: Troubleshooting Hardware and Networking

Troubleshooting should be accomplished using appropriate tools and include

- common symptoms
  - read/write failure
  - slow performance
  - loud clicking noise
  - failure to boot
  - drive not recognized
  - OS not found
  - RAID not found
  - RAID stops working
  - proprietary crash screens (BSOD/pinwheel)
  - Self-Monitoring, Analysis, and Reporting Technology (S.M.A.R.T.) errors

- tools
  - screwdriver
  - external enclosures
  - check disk (CHKDSK)
  - FORMAT
  - file recovery software
  - Bootrec
  - diskpart
  - defragmentation tool.

Process/Skill Questions:

- How does disk defragmentation/optimization differ from disk cleanup?
- What information can be observed in a CHKDSK report?
- What Windows OS system tools can help address a computer with slow performance?