CompTIA
220-1201 · Question #140
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…
The correct answer is D. Use a 20-pin to 24-pin adapter. Older motherboards use 20-pin connectors, while newer power supplies use 24-pin connectors. An adapter resolves the compatibility issue cost-effectively.
Submitted by viktor_hu· Mar 30, 2026Hardware 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
(36 responses)- A22% (8)
- B6% (2)
- C14% (5)
- D58% (21)
Explanation
Older motherboards use 20-pin connectors, while newer power supplies use 24-pin connectors. An adapter resolves the compatibility issue cost-effectively.
Topics
#ATX power connectors#PSU compatibility#PC hardware upgrades#Adapter cables
Community Discussion
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