Member Avatar for donaldross59

My desktop machine suddenly has stopped. I stepped away and when I RETURNED, my mouse did not work so I pushed the power button to turn off the machine. When I tried to start again, I got a blank screen and the fan is running extremely fast. I don't know what to do. Otherwise the machine was running fine, but slow and the HD is only about 4 months old.

What do you suggest?

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  • Latest Post Latest Post by Boydaman

Dani AI

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A fast-running fan with no video can come from several hardware faults. Given ’s report and ’s suggestion about the video card, the GPU is a plausible cause — but power, motherboard, memory, or an interrupted POST are just as likely. Follow a short, safe diagnostic sequence before buying parts.

  • Power down, unplug, and discharge yourself. Open the case and look for bulging/leaking capacitors, scorch marks, or loose power/data cables.
  • Check that the 4/8-pin CPU power and any PCIe GPU power connectors are seated. Verify the CPU-fan header is connected (if the board doesn’t see a fan it may spin others at full speed).
  • Clear CMOS (remove the battery for 30–60 seconds or use the motherboard jumper), then try a minimal boot: one RAM stick in the primary slot, no drives, no extra cards, and, if available, remove the discrete GPU and use onboard video.
  • Listen for beep codes or read motherboard diagnostic LEDs and consult the board manual for meanings. If there are no beeps/LEDs and fans run but nothing else, suspect PSU, motherboard, or CPU.
  • If you have known-good parts, swap in a spare PSU or GPU to isolate the failing component. If not, a local shop can bench-test with spare parts.

A quick reference on the POST process can help diagnose beep/LED signals: Power-on self-test. If any step exposes burnt components, smells, or blown capacitors, stop and get professional repair. If uncomfortable with internal work, have a technician perform the swaps/tests to avoid accidental damage.

Member Avatar for Boydaman

did you try restarting your computer? You might have a sleep mode where you computer temporarily freezes before coming back on...

Member Avatar for donaldross59

yes, several times. blank screen and fan runs very fast and loud like something is overheated although the machine is out in the open. I even tried another monitor.

Member Avatar for Boydaman

I had this happen to me a while back. It turned out to be a burned out video card. I got a new one a it worked. Sorry i couldn't have been more helpful.
Boydaman

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