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Acer Aspire V3-771G laptop. This is part of the 17.3" screen lineup that Acer offers.

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I need a dismanteling and rebuild informetion for this great nb

That small little cr 2032 inside has to been changed awfull to find, bad guys wich was mounting

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I'm not exactly sure what you are saying in this post, but what you are referring to is the Complementary Metal Oxide Semiconductor (CMOS) Battery. This is in charge of Real Time Clock, and often involves the Basic Input-Output System (BIOS) also. If your battery has died, just use a CR 2035, I have found often those work just the same.

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Hi @itsmemarkus

The CMOS battery is on the underside of the motherboard. You will have to completely disassemble the laptop to remove the motherboard to get to the battery.

Here's an image from a dis-assembly video that will help you.

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(click on image)

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Markus Haefner will be eternally grateful.
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