The six steps of the troubleshooting model
1) Identify a problem
2) Establish a theory of cause
3) Test your theory of cause
4) Establish an action plan and execute it
5) Verify system functionality
6 Document findings, actions, and outcomes
Degaussing
Uses a strong magnetic field to remove all data
Which Windows versions support PowerShell 4.0
Windows 7 and 8.1
fsutil
File System Utility
Used to set the dirty bit on the C: Drive so that autochk will initiate chkdsk on next boot to locate and attempt to fix any disk errors on the drive
How to fix the boot sector with Command Prompt
Bootrec
/fixboot
/fixmbr
/rebuildbcd
PXE
Pre-boot Execution Environment
Used to boot a computer over the network.