Multiple choice technology

Your computer suddenly shuts off and doesn't turn on after repeated attempts. What is the most likely cause?

  1. CPU fried

  2. Hard Drive crashed

  3. CD-ROM fried

  4. Power Supply blown

  5. Motherboard fried

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The power supply unit (PSU) converts AC wall power to DC power for all components. When it fails completely, no component receives power, making the system appear dead. This is far more common than sudden CPU, motherboard, or hard drive failure during normal operation.