why wont my dell 6400 wont power on? I had remove and replaced the cmos battery, so as to reset the bios admin. password and tried to power on and it wouldnt. i have done almost everything except replacing the main battery, even though it doesnt power on with just the ac power either. what can i do next barring the replacement of the motherboard ?
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Flip the battery upside down. You might have put it in wrong. Or maybe you put in the wrong size.
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double check the connectors make sure they are connected very well and all in proper place..
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