Three Asus mobos with co-related problems. When plugged to AC, mobo tries to power up by itself for 4 sec speening fans and turn off, when press switch, power up OK and boot, without cmos battery I need to power it up 2 times to boot (seems it needs to fully charge some caps). I checked the cmos-battery-southbridge lines for shorted diode and seems ok.
Electrolitics all Rubycon good caps, am i looking here for:
1)some big mosfet kinda shorted,
2)small smd cap or resistor shorted
3)PWM IC problem,
4) Electrolitic caps problem ?
Electrolitics all Rubycon good caps, am i looking here for:
1)some big mosfet kinda shorted,
2)small smd cap or resistor shorted
3)PWM IC problem,
4) Electrolitic caps problem ?
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