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Author Topic: Laptop CMOS battery Could an ML1220 cell be it?  (Read 508 times)

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Offline ZeynebTopic starter

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Laptop CMOS battery Could an ML1220 cell be it?
« on: April 07, 2022, 11:13:46 am »
Hi,

With some high effort I was able to disassemble the Acer TravelMate 8000 laptop to the level that I could get to an ML1220 cell. But as I don't have a repair manual for this laptop I'm not sure if this ML1220 is actually the CMOS battery. It was located near the main battery connector.

I hope if I replace this ML1220 cell it does solve it by remembering BIOS info. Could there be any possibility there would be another battery cell on this motherboard?
« Last Edit: April 07, 2022, 12:41:56 pm by Zeyneb »
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Offline DK ekectro

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  • Country: hr
Re: Laptop CMOS battery Could an ML1220 cell be it?
« Reply #1 on: April 07, 2022, 12:41:36 pm »
Your CMOS battery looks like big button style watch battery.
There is only one CMOS battery on the motherboard.
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