A user reports their desktop PC has no display after moving it to a new desk. Place the troubleshooting steps in the correct order according to the CompTIA 6-step troubleshooting methodology.
⋮⋮1Identify the problem — interview user, check recent changes
⋮⋮2Establish a theory of probable cause — question the obvious
⋮⋮3Test the theory to determine the cause — confirm or escalate
⋮⋮4Establish a plan of action and implement the fix
⋮⋮5Verify full system functionality and implement preventive measures