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Diagnose, test and interpret evidence

PC Troubleshooting Guided Learning Lab

Use a repeatable troubleshooting process, complete six guided diagnostic labs and choose safe next actions for slow performance, crashes, boot failures and hardware warnings.

View curriculum
Beginner to intermediateDifficulty
6.5 hoursEstimated time
6 modules18 lessons
6 guided labsKnowledge check
01
Before you begin

What you need

  • Basic Windows navigation
  • A recent backup for important files
  • Administrator access for repair tools
02
Step-by-step curriculum

Learning modules

Complete lessons in order or open the module that matches your current goal. Your lesson progress is saved on this device.

01Build a Diagnostic MindsetStart with evidence, reduce variables and protect data before making changes.3 lessons · 1 lab
Guided lab · 20 min · Safe

Build a symptom evidence report

Turn a vague PC complaint into a testable problem statement before changing the system.

Not started
Module checkpointDiagnostic mindset checkpoint
1Which statement is an observation rather than a cause?
2What should happen before a risky repair?
3Why test one variable at a time?
02Troubleshoot a Slow ComputerIdentify whether CPU, memory, storage, startup or background software is creating the slowdown.3 lessons · 1 lab
Module checkpointSlow computer checkpoint
1What makes a Task Manager reading useful?
2Disk usage stays near 100 percent while file access freezes. What is the safest next check?
3No resource reading changes during the slowdown. What should you do?
03Crashes and Blue ScreensCapture the right evidence and test common software and hardware causes safely.3 lessons · 1 lab
Guided lab · 20 min · Safe

Capture useful BSOD evidence

Record a blue-screen event accurately and connect it to timing and recent system changes.

Not started
Module checkpointCrashes and BSOD checkpoint
1What should a BSOD record include besides the stop code?
2Different stop codes repeat with memory symptoms. What is the better next step?
3When should you deliberately reproduce a crash?
04Windows Boot ProblemsUse the least destructive recovery option first when Windows cannot start normally.3 lessons · 1 lab
Module checkpointBoot problems checkpoint
1Safe Mode starts successfully. What does that suggest?
2What must be confirmed before changing startup settings on an encrypted PC?
3Startup Repair cannot fix the PC. What is the next principle?
05Hardware Health ChecksLook for storage, temperature, battery and power clues without opening the computer.3 lessons · 1 lab
Guided lab · 25 min · Moderate

Triage drive-health warning signs

Separate low-space and file-system symptoms from signs that require immediate backup and hardware attention.

Not started
Module checkpointHardware health checkpoint
1What should happen first when a drive reports reliability warnings?
2Low free space without hardware warnings most directly calls for what?
3Which sign is a stop condition?
06Repair and Recovery DecisionsUse repair commands in the correct order and understand when recovery is safer.3 lessons · 1 lab
Guided lab · 30 min · Moderate

Interpret SFC and DISM results

Run supported Windows image and system-file checks in the correct order and interpret their final messages.

Not started
Module checkpointRepair and recovery checkpoint
1What proves a repair command solved the problem?
2SFC reports no integrity violations. What does that mean?
3When should reset or reinstall be considered?
03
Knowledge check

Test your understanding

Answer all questions. Results and explanations are calculated instantly in your browser.

1What is the strongest first step in troubleshooting an intermittent problem?
2Which baseline is most useful before attempting a performance fix?
3What should happen before a repair that could affect files or boot configuration?
4A computer feels slow. What should you inspect before closing processes?
5Why disable startup apps one at a time?
6Which sign suggests storage pressure may be contributing to poor performance?
7What should you record from a blue-screen event?
8After crashes begin immediately following a driver update, what is the most targeted first review?
9What does a repeatable memory-test error indicate?
10When is Windows Recovery Environment especially useful?
11What is the purpose of Safe Mode during diagnosis?
12A boot problem started after a configuration change. What is the safest principle?
13Which evidence should make drive backup the immediate priority?
14Which symptom requires stopping use and checking power or hardware safety?
15What does a Windows battery report help compare?
16What is the safest system-file repair sequence for suspected Windows corruption?
17When is System Restore a reasonable choice?
18Which recovery option has the greatest impact and should be considered last?
19A PC is slow after sign-in and also low on disk space. What sequence preserves evidence?
20A new driver causes boot failure. Which recovery path is most targeted?
04
Practice with TipsMake

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