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CompTIA

220-1101 · Question #921

A technician is replacing a failed power supply in a ten-year-old computer When installing the customer-provided power supply, the technician discovers the ATX connector would not plug into the mother

The correct answer is D. Use a 20-pin to 24-pin adapter.. Older motherboards used a 20-pin ATX main power connector, while modern power supplies use a 24-pin connector. A 20-pin to 24-pin adapter is an inexpensive passive adapter that bridges this compatibility gap, making it the most cost-effective solution. Adjusting input voltage (sw

Hardware and network troubleshooting

Question

A technician is replacing a failed power supply in a ten-year-old computer When installing the customer-provided power supply, the technician discovers the ATX connector would not plug into the motherboard. The customer wants a cost-effective solution. Which of the following should the technician do next?

Options

  • AAdjust the input voltage.
  • BInstall a modular power supply.
  • CRebuild the failed power supply.
  • DUse a 20-pin to 24-pin adapter.

How the community answered

(47 responses)
  • A
    4% (2)
  • B
    6% (3)
  • C
    15% (7)
  • D
    74% (35)

Explanation

Older motherboards used a 20-pin ATX main power connector, while modern power supplies use a 24-pin connector. A 20-pin to 24-pin adapter is an inexpensive passive adapter that bridges this compatibility gap, making it the most cost-effective solution. Adjusting input voltage (switching between 115V/230V) does not resolve a physical connector mismatch. A modular power supply is more expensive and doesn't solve the pin count incompatibility. Rebuilding a failed power supply is dangerous, impractical, and not cost-effective.

Topics

#Power Supply#ATX Connectors#Hardware compatibility#Troubleshooting

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