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Can't find emachine w4630 cmos battery

I have an emachine notebook model number w4630 and the cmos is bad. want to replace it but can't find it. any suggestions? Thanks for the quick response Robert. Do I have to take a panel or the back of the computer off to access this.

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SOURCE: cmos battery is dead

round metal watch style battery on the motherboard about the size of a quarter... walmart would probably have them in the watch dept.

careful removing the battery so you don't break the clip that holds it in.


Please take a moment to rate this solution.. thanks

Posted on Jan 25, 2009

  • 64 Answers

SOURCE: i have an emachine w4630

I do believe you may have to partially disassemble to get at battery. I have found the manual on line that you can download at the below address:

the manual shows you where battery is located and how to change it.
took a bit to find, please be so kind as to take the time to rate this answer. good luck and thanks

Posted on Jan 27, 2009

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Where Can I find a screenshot of the motherboard on my netbook?

There it is!

Needed to know WHAT Netbook we're talking about here.....

Problem is the info only brings it down to,.....oh,.........about 7 different Acer Aspire One models, (At 8.9 inches)
That may be a low estimate.

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As asked for;


CMOS Battery is also known as the RTC Battery.
Real Time Clock Battery.
For the above motherboard photo, it is to the upper Left, and near the white long plastic part, above it.

Right below it is a small round Black piezo style of buzzer.
Watch style type of battery, and is either a CR2032, or a smaller style.
Believe it to be on the Top of the motherboard, if memory serves.


Left side/Middle
Usual round watch style battery.


In photo, top of motherboard slightly off center to the Right.
Next to what looks like a small black round Piezo style buzzer.

Indication CMOS battery needs to be replaced?
Message, or Time/Date changes?
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Trying to circumvent a password, by removing CMOS battery for a short period of time?
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Suggest use an ESD wrist strap when working inside the netbook.
Otherwise you will Static shock out the delicate hardware components inside the Netbook.

Just videos that may help your endeavor,



For additional questions please post in a Comment.

Apr 01, 2013 | eMachines Motherboards

2 Answers

Need to replace the cmos battery

Hello that`s easy.

Open the case, and look for a small round shinny battery.

Press the release button, and the battery will pop out.
If not, use a small screwdriver, but don`t use force:
Here is a picture, how it looks like:


The battery type is a CR 2032, 3 volts watch type.
Insert the new battery the same way.

When you remove the battery, the cmos/ bios will be cleared, and the bios needs to be setup: clock, date, boot settings, etc.

A pc repair shop, can help you with renewing the battery.

Good luck

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I have an emachine w4630 notebook. i can't find the cmos battery which needs changed. do i have to to take the back off my computer?

I do believe you may have to partially disassemble to get at battery. I have found the manual on line that you can download at the below address:

the manual shows you where battery is located and how to change it.
took a bit to find, please be so kind as to take the time to rate this answer. good luck and thanks

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Sometimes this problem happens when your CMOS battery already dead. Replace the CMOS battery and run F4 to setup the date and time. Save it and you back to business.

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