Course 2: IT Support Technician · Day 2

Broken on Purpose

The CompTIA troubleshooting method

Open the lab sheet Open The Bench (interactive)

The teacher breaks four computers before class. Students take a help-desk ticket written in a user's plain words, work the six-step troubleshooting method, fix the fault, and write the ticket notes a supervisor would read.

Interactive: The Bench is an online practice round with the same four tickets: questions to ask, cables to drag, memory to reseat and a BIOS to fix, scored against the six steps. Use it before the hardware lab, or as a makeup for a student who was absent. Try it.

Objectives

Students will be able to:

  • List and apply the six steps of the CompTIA troubleshooting method, in order.
  • Turn a user's vague complaint into a specific problem by asking questions.
  • Write ticket notes that record findings, actions and outcomes clearly enough for another technician to follow.

Board question

  1. Someone tells you, "My computer is broken." Write the first question you would ask them.
  2. Name one thing you would check before you open the case. Give a reason in one sentence.

Students answer in the notebook at the start, and revisit the answer on the exit ticket.

The 90-minute block

MinutesSegmentTeacherStudents
0–8Do NowBoard question.Answer both asks.
8–22I DoTell one real support story and walk it through the six steps. Stress step 2, "question the obvious": the cable, the power, the input setting. Show a weak ticket note ("fixed it") next to a strong one.Copy the six steps.
22–32We DoWork a ticket aloud as a class: "The printer won't print." Students supply the questions to ask, then theories in order from most to least likely.Supply questions and theories.
32–80Lab: Broken on PurposePlay the user at each station: answer only the questions students actually ask. Check ticket notes before a group moves on. Reset each fault between rotations.Four stations, about 12 minutes each.
80–85DebriefRead two ticket notes aloud (with permission): one that another technician could follow, and one that needs work.Revise one note.
85–90Exit TicketBoard question returns. Two A+-style items.Revisit, then answer.

The six steps

  1. Identify the problem. Ask the user questions, find out what changed, and back up data before you make changes if you can.
  2. Establish a theory of probable cause. Question the obvious.
  3. Test the theory to determine the cause. If it is wrong, form a new theory or escalate.
  4. Establish a plan of action to resolve the problem, and implement the solution.
  5. Verify full system functionality and, if it applies, put preventive measures in place.
  6. Document findings, actions and outcomes.

Materials

  • Four lab PCs, each with one staged fault (see prep).
  • Help-desk ticket cards, one per station, written in the user's words.
  • Bench setups from Day 1 (students need their Bench License).
  • Lab sheet (printed), one per student.

Before class

  • Station 1: unseat one RAM stick so the PC beeps or does not POST. User says: "It turns on and makes beeping noises, but nothing shows up."
  • Station 2: loosen the display cable at the PC end, or set the monitor to the wrong input. User says: "The screen is black. The light on the computer is on."
  • Station 3: change the boot order to a network or USB boot first, or loosen the drive's data cable. User says: "It says something about no boot device."
  • Station 4: unplug the network cable or turn off Wi-Fi. User says: "The internet is down. Can you fix the internet?"
  • Write a short answer key for yourself with the fault and the fix at each station.

Safety

  • Bench License required. Same rules as Day 1: unplug before opening, strap on, never the PSU.
  • At Station 1, the PC must be off and unplugged before anyone reseats the RAM.

Vocabulary

Ticket
The record of a support request: who asked, what is wrong, what was done.
Theory of probable cause
Your best guess at what is causing the problem, before you test it.
Escalate
Hand a problem to someone with more access or experience, with your notes.
Preventive measure
Something you do so the problem does not happen again.

Exit ticket

Item 1 is always the board question, revisited. Then:

  1. A user reports that their screen is black. You have confirmed the monitor is on. According to the CompTIA method, what do you do next?

    1. Replace the graphics card
    2. Establish a theory of probable cause (key)
    3. Document the outcome
    4. Reinstall the operating system
  2. Which step of the CompTIA troubleshooting method comes last?

    1. Verify full system functionality
    2. Test the theory
    3. Document findings, actions and outcomes (key)
    4. Identify the problem

Support

  • The six steps are printed on a card at every station.
  • Ticket notes have sentence starters: "I found…", "I tested…", "I fixed it by…", "To prevent this…"

Stretch

  • Write the ticket you would send if you had to escalate Station 3 to a senior technician instead of fixing it.
  • Invent a fault of your own and write the user's ticket card for it.

Where this leads

Help desk work is ticket work. Students leave with four written tickets they produced themselves, which is the kind of sample a hiring manager asks about: how you question a user, test a theory and write it up.