01
Confirm the basics
Check power, connections, settings, consumables and any recent changes before assuming the product has failed.
Practical help before you replace it
Find the problem before spending more.
Clear checks for common product problems, helping you work out what can be fixed and when professional help makes more sense.
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Start with simple checks
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Avoid unnecessary replacement
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Know when to stop
A sensible place to begin
Check the simple things first.
A careful troubleshooting process helps avoid wasted time, unnecessary purchases and unsafe repairs.
02
Isolate the cause
Change one thing at a time so you can identify which device, cable, setting or condition is causing the problem.
03
Repair, replace or seek help
Consider safety, warranty coverage, repair cost, product age and the likely benefit before deciding what to do next.
Troubleshooting guides
Start with the symptoms.
Choose the guide that best matches what your product is doing, then work through the checks in order.
Troubleshooting
Why Is My PC Overheating?
An overheating PC may become noisy, slow down, crash or shut itself off. Learn how to identify the cause, improve cooling safely and recognise...
Try these checks
Troubleshooting
Why Won’t My Newly Built PC Turn On?
Work through the safest checks when a newly built computer has no power, starts without a display, repeatedly restarts or cannot reach Windows.
Try these checks
Troubleshooting
Why Is My Computer Running So Slowly?
Is your computer taking forever to start, open programs or switch between tasks? Learn how to identify the cause, safely improve performance a...
Try these checks
Troubleshooting
Why Is My Car Air Conditioner Not Blowing Cold Air?
Diagnose weak or warm car air conditioning through settings, airflow, filters, refrigerant leaks, compressors, condenser fans and temperature-...
Try these checks
Troubleshooting
What Should You Do If You Get Sick or Injured Overseas?
Follow the practical steps for getting medical help overseas, contacting your insurer, managing payment, collecting documents and arranging sa...
Try these checks
Troubleshooting
Why Are My Speakers or Headphones Humming and Buzzing?
Trace speaker or headphone hum and buzz through ground loops, cables, interference, computer power, gain settings and faulty equipment without...
Try these checks
Need a second opinion?
Ask before replacing something unnecessarily.
Tell us what is happening, what you have already checked and whether the product is still under warranty.