Member Avatar for AzClimber99

I am hoping someone will be able to help with this problem. I went to get on my computer this morning and noticed it was off, I went to power it up and nothing happened. Well I checked all of my cables and plugs and everything seemed fine so I unpluged the power source and plugged it back in. Then I pressed and held down the power button and the machine started to power up for about 3 sec. then shut down. Nothing came up on my monitor and it didnt get much past the power source powering up. I thought mabye I had a dying power source so I went and bought a new one. However even with a brand new power source the same thing occured, when I press the power button nothing happens but if unplug and replug the power source then press and hold the power button the machine starts to turn on but never gets going. If anyone had any ideas or could give me some advice that would be wonderfull.

Thank you in advance

  • 3 Contributors
  • 4 Replies
  • 96 Views
  • 5 Days Discussion Span
  • Latest Post Latest Post by cguan_77

Dani AI

Generated

The pattern reported by — no normal power-up, but a brief 2–5 second spin only after unplugging/replugging the PSU — plus the replies from and suggests a hardware fault that is tripping the system protection as soon as main power is applied. The replies point in useful directions; the checklist below gives practical steps to isolate the cause without assuming the motherboard is dead.

  1. Safety first: unplug mains before touching anything and ground yourself to avoid ESD.
  2. Visual inspection: look for bulging/leaking capacitors, burn marks, or loose components on the board.
  3. Confirm power connections: ensure the ATX 24-pin and the 4/8‑pin CPU power plugs are fully seated. A missing/loose CPU power plug can cause immediate shutdown.
  4. Minimal-boot test: with mains unplugged, remove all drives, expansion cards and all but one RAM stick. Leave CPU and its fan connected. Plug in and try to start. Swap RAM sticks and slots one at a time. (This expands on @cguan_77’s memory tip.)
  5. Front-panel switch check: disconnect the case power switch and momentarily short the two power-on pins on the motherboard to rule out a faulty switch or wiring short.
  6. Bench test outside the case: move the board to a non-conductive surface to eliminate a case short.
  7. CMOS reset: clear CMOS (remove the battery for a few minutes or use the motherboard jumper) to rule out corrupted settings.
  8. Add a system speaker or note beep codes if present — they narrow down POST failures.

If the system still dies after these steps, the failure is likely in the board’s power circuitry or CPU power delivery. If uncomfortable performing the tests, have a local shop perform a bench test (verify they will test with known-good parts). If data recovery is a priority, remove the drive before further work.

Recommended Answers

All 4 Replies

Member Avatar for DenisOxon

Sorry to say it, but sounds like motherboard

Member Avatar for AzClimber99

I was worried about that, I am no computer genius and only know the basics on how to get around one so I figured with the knowledge this website has I would be able to find some awnsers. Any other thoughts or ideas would be very appreciative if anyone has any.

Thank you

Member Avatar for DenisOxon

I would take it to your local PC shop and have it checked. Don't use one of the big boys like PC W**** unless you bought it there and it is under warranty.

Member Avatar for cguan_77

hi azclimber99,

do u hear any beeping sound on your system? upon turning on does your cpu fan rotates?
just try this one, remove u'r memory card from the motherboard, then clean the goldfingers of the memory card before putting it back..reply to this post .. after you do this..Tnx..

Be a part of the DaniWeb community

We're a friendly, industry-focused community of developers, IT pros, digital marketers, and technology enthusiasts meeting, networking, learning, and sharing knowledge.