I have a strange ASUS Rampage Formula motherboard issue.
When the computer is off — I can't power it on: 'Power' button press gives just a short impulse on fans. When I disconnect the power cable and try again — nothing happens. The LCD says 'CPU INIT' even though it's powered off, even the fans.
However, if I wait for ~10mins with power cable unplugged — it POSTs, boots and works OK for days... until I'm unlucky enough to shut it down.
What can be the cause of successfull start-up only once in a while?
Tried:
- Unplugging all unnecessary cables
- Checking the temperature inside: MB, CPU, GPU
- Punching
- Unplugging the power cable for 1 minute.
- BIOS update
- UPD Resetting the CMOS and cleaning all the dust out.
- UPD Turning on the 'Power on by Keyboard' feature .. just in case there's smth wrong with the power button itself
The only solution:
- Uplug the power cable, Wait for ~10mins, plug it back in and enjoy.
More:
- When I bought it in 2009 — the situation was the same
- No overclocking. My configuration is more that enough for a programmer with moderate tendency to games.
Answer
Try another PSU. If that doesn't work then the power control circuitry on the motherboard is broken, and the motherboard needs to be replaced.
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