Question about Acer Aspire™ T180 PC Desktop

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Acer problem every time i booth up my ACER pc i encountered this problem cmos bad battery,eventhough i replaced it already,i reset also the bios but the same problem i occured.how can i fix this problem? do i need to replaced my motherboard? is there any solutions before i replaced my board.

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Ensure the new battery is the correct voltage and inserted properly (+ side is usually down). Check the manual for a jumper on the board used to clear the CMOS. With the pc unplugged from A/C power (the wall socket), short the jumper to clear the CMOS. You can put a jumper on for about 60 seconds, or hold a conductive material (the tips of most screwdrivers are ideal) across the two pins, again for about 1 minute. Be very careful not to touch or scratch the motherboard or any of the metal traces in it if you choose to use a screwdriver or other tool than a jumper. Jumpers can be easily moved by pushing a toothpick firmly into the hole in the center, then lifting straight up. When replacing, holding the toothpick, push the jumper into place, then twist the toothpick gently while pulling up to remove the toothpick without removing the jumper. A jumper is a small piece of plastic with a wire inside that connects (usually) two pins together. After clearing the CMOS, you will need to put the jumper back where you got it since you'll likely have to pull one off of the board, short the CMOS, then replace the jumper to it's original location -

*DO NOT FORGET WHERE AND HOW IT WENT ORIGINALLY*

Posted on Dec 16, 2008

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