Power Supply Failure Problem

Problem
The computer's power supply unit (PSU) fails to provide power, preventing the system from starting.

Symptoms

• Computer does not turn on at all.

• No fan movement or lights when powering on.

• Burning smell near the power supply.

• Computer shuts down randomly under load.

Possible Causes

• Aging or worn-out power supply.

• Electrical surge damage.

• Loose internal power connections.

• Overloaded power supply for the system's components.

Resolution

Step 1
Check that the power cable is securely connected.

Step 2
Test the wall outlet with another device.

Step 3
Inspect internal power cables for secure connections.

Step 4
If comfortable doing so, test the PSU using a power supply tester.

Step 5
Listen and smell for signs of damage.

Step 6
Replace the power supply if it is confirmed to be faulty.

Prevention

• Use a surge protector.

• Choose a power supply with adequate wattage for your system.

• Keep the PSU clean and well-ventilated.

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