the motherboard isn't powering up

F5F Stay Refreshed Hardware Desktop the motherboard isn't powering up

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Malmar
Junior Member

01-29-2026, 12:46 PM

#11

No, the CPU Power Cable and the 24PIn cable are not plugged in.

Malmar

01-29-2026, 12:46 PM #11

No, the CPU Power Cable and the 24PIn cable are not plugged in.

impiiii
Member

135

02-03-2026, 10:19 AM

#12

all connections are correct. It didn’t start unless the 12-volt connector was removed, even though there was no screen.

impiiii

02-03-2026, 10:19 AM #12

all connections are correct. It didn’t start unless the 12-volt connector was removed, even though there was no screen.

tontianta
Junior Member

02-03-2026, 01:39 PM

#13

There might still be a chance for MOS shorting in the VRM area, even if you didn’t experience issues before. Since you recently purchased the motherboard, it’s possible the components haven’t fully stabilized or connected properly. Always double-check connections and power supply stability.

tontianta

02-03-2026, 01:39 PM #13

Lazzex
Junior Member

02-05-2026, 05:33 PM

#14

Corrected the issue by testing with a multimeter, identified one shorted MOSFET, and swapped it in with an old motherboard. The system restarted successfully. Thank you for your assistance.

Lazzex

02-05-2026, 05:33 PM #14

Corrected the issue by testing with a multimeter, identified one shorted MOSFET, and swapped it in with an old motherboard. The system restarted successfully. Thank you for your assistance.

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