Laptop power issues

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Wddamon

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Mar 10, 2015
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I have a sony vaio flip15A. It will not power on. Initially checked the power supply (19.43 volts should be 19.5 so no problem) i removed the battery and ac connector held down the power button for one minute then attached only ac power, did not turn on. Ensured the fitting from the power adapter to the motherboard was receiving power and reads the same voltage as the ac adapter. Cmos battery reads correct voltage. I am now clueless, any way to check the motherboard with a multimeter? Perhaps the power button itself? Any help would be greatly appreciated.

WD Damon




Also the pins the would connect the the battery I get no voltage reading on, motherboard?
 

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Allan
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May 24, 2003
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Getting no voltage across the battery pins is probably normal, the circuit will most likely auto-detect when a battery is connected and only provide a charging voltage when it does.

It might be worth leaving both the main and Cmos batteries disconnected overnight, that should reset the Bios to defaults which can sometimes help.
 
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