• Jan 14, 2026 troubleshooting and repairing atx power supply ON) to any black wire (ground) on the 24-pin connector. Turn on the power supply; if the fan spins, the PSU is at least providing power. Step 3: Measuring Voltages Use a multimeter to check the output voltages on By Jon Strosin
• Jan 2, 2026 atx smps circuit diagram ies. Advantages of Using ATX SMPS High efficiency and reduced energy consumption Compact and lightweight design Multiple output voltages (+3.3V, +5V, +12V, -12V, and +5VSB) Overcurrent, overvoltage, and short-circuit protection Compatibility with various hardware configuratio By Miracle Schimmel
