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well that goes without saying an acer extensa 500t is a laptop and Thanks anyway I have found out now how to change the battery(CMOS) You remove the key pad undo the heatsink remove that and the battery is right there but thanks anyway for trying to help Misty.well that goes without saying an acer extensa 500t is a laptop and Thanks anyway I have found out now how to change the battery(CMOS) You remove the key pad undo the heatsink remove that and the battery is right there but thanks anyway for trying to help Misty.
AnonymousApr 26, 2009
where is the cashing?? where is the cashing??
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To reset the BIOS read the information from this link.
In case of your Acer Extensa laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.
you need to remove your CD drive and floppy drive if avaliable.remove the plate(s) under your laptop, and see if you can see a yellow casing with red and black wiring go to the motherboard. that is the CMOS battery. to replace that, you could go to Ebay, or your local computer store to get the battery. remove the old one, and place the new one in the laptop. If you can't do it, bring the laptop to the store with you. Please rate my solution.
Typically, the CMOS battery is a flat "coin-like" cylinder under a clip on the mother board. They can also be soldered in. Most often, these are either mercury or lithium batteries designed for very small current drain but a very long shelf life.
Their only purpose is to keep alive the BIOS settings when the power is off, and your PC will retain these settings without this battery as long as the power is on, even in stanby or as long as the main batteries are installed and not totally dead.
The CMOS keep alive batteries can be very pricey, special order critters, $30-$40 is not unusual.
To replace the battery:
1) Go into the BIOS, and record ALL the settings on paper.
2) Unsnap and replace the battery very quickly, hoping that an internal capacitor will retain the settings just long enough to do this = 1 or 2 seconds.
3) Check the BIOS settings again and fix them back to original if need be.
4) IF the settings are lost, you may be able to use the "Revert to factory defaults setting" feature in the BIOS.
5) if you loose the BIOS password and cannot get in: a) Some PC's have a clear settings jumper on motherboard b) Some PC's have a secret recovery password
well that goes without saying an acer extensa 500t is a laptop and Thanks anyway I have found out now how to change the battery(CMOS) You remove the key pad undo the heatsink remove that and the battery is right there but thanks anyway for trying to help Misty.
where is the cashing??
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