9.1.1. Troubleshoot common problems with PC Hardware with the appropriate tools.
9.1.2. Troubleshoot hard drives and RAID with appropriate tools.
9.1.3. Troubleshoot video and displays.
9.1.4. Troubleshoot wired and wireless networks with appropriate tools.
9.1.5. Troubleshoot operating systems with appropriate tools.
9.1.6. Troubleshoot common laptop issues with appropriate tools.
9.1.7. Troubleshoot printers with appropriate tools.
9.1.8. Troubleshoot common security issues with appropriate tools and best practices.