Question about Acer TravelMate 290 Notebook

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TRavelmate 291 XCi

Can you please tell me where the cmos battery is situated on the motherboard.

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  • ceejays Jan 29, 2008

    I still cannot find it, nobody seems to be able to tell me where to find it,




2 Answers

You have to disassembly the whole laptop. The cmos battery is on the back of the's a lot of work....
You can't get to the battery until the motherboard is taken out of the laptop.

Posted on May 23, 2008

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I don't know the location but it is more than likely a flat "watch cell" type battery.

What it looks like

Posted on Jan 28, 2008


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Posted on Jan 02, 2017

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The common cmos battery are 3 volts lithium battery and there are found inside the PC/laptop unit connected on motherboard circuit.

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How do I replace the cmos battery

Drop down to the 'paragraph' that starts with - Travelmate 200.
(200 in Blue)
Go down to the 7th line (5730 in Blue), scroll across, and click on -
6493 in Blue.

This is a PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name (6493) it may take up to 30 seconds, before the first page comes up.
The file is downloading in the background.

The CMOS Battery, or also known as the RTC Battery, (Real Time Clock), is on the BOTTOM of the motherboard.

Scroll down a little to the two Large views of the motherboard;
1) The first view shown is the Bottom side of the motherboard.
Has the blue -
For Acer Travelmate 6942 6942G notebook motherboard MBTLN0B001 and tested+ree, above it.

Yes. TravelMate 6492, not TravelMate 6493. The RTC Battery is still in the same place.

Above the pink processor socket......see the Yellow round object?
It actually has wires coming from it, that end in a small white connector.
Not the same color, not the same series, but gives you a better look at this type of RTC Battery setup,

There is a little round watch type battery in that Yellow, and that Black plastic 'bag'.

Losing date, and time? Replace CMOS/RTC Battery.
Need to reset, or wipe out a BIOS password, or HDD password?
Not THAT way.

Go to Page 53. (Adobe Reader page number box at top)

Page 168 - Bottom View of motherboard - Number 13 in the chart -
CLRP2 - CMOS clear
(Clear CMOS jumper)

Instructions on Page 169

The Service Manual doesn't show the location of the CMOS battery.
DOES state it in Troubleshooting / Random Loss of BIOS Settings Page 148 at the Bottom.

Just an average laptop disassembly video I found. Skip to 3:40 or so to start.
You SHOULD wear an ESD wrist strap, and have it's aligator clip attached to a good ground source.
He is AT least working on a wood table top.

Perhaps some of these Acer pictorial guides will also help,

Could I be wrong about the CMOS Battery location?



Look down in the Battery Compartment for the CMOS Battery, or in a small hidden panel down in the Battery Compartment.
Also look on the top of the motherboard, once the Palm Rest Cover (Top Cover) is removed.

For additional questions please post in a Comment.


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Can anyone tell me where the CMOS battery is on a gateway fx6802 pc? Or how to reset the bios?

CMOS battery situated in motherboard. To reset Bios please re pin the jumbernazarmpp_0.jpgnazarmpp_1.jpg

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How to Disable Acer Travelmate 240 BIOS Password?


To disable the bios password on your laptop, you will need to remove the cmos battery on your laptop for some minutes and insert back, the cmos battery is located on the motherboard of your laptop, once the cmos battery is removed from the motherboard for some minutes, the bios password will be reset, and the bios password will be disable.

Take care.

Nov 19, 2010 | Acer TravelMate 240 Notebook

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Where is the cmos battery located?

cmos is located in the motherboard. You need to remove the battery, hard drive, optical drive, screws on your keyboard to see the motherboard. Then there is a CMOS battery which is a circle shaped with silver plating on it..

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Low battery warning message on boot up

I'll give you the info for the cmos battery but afterwards observe any other issues with your notebook. Your notebook is not new anymore and may need other servicing besides a new cmos battery.

It should be housed driectly undeneath you notebook on a panel you can remove that houses the ram.

If you still cant find it, you may have to physicaly take apart the unit. I would search under the keyboard and all four corners of the motherboard and center. Just in case.

Let me know how it goes.

P.s: Be very careful If you are not use to opening up notebooks then I suggest taking unit to a professional for them to replace the cmos battery.

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How do I replace a dead cmos on acer 4520LCi travelmate laptop? The laptop no longer keeps track of system time when shut off completely. Can you tell me the exact location of the cmos so I can be able to...


what you replace is not the CMOS, but the CMOS battery.

On an ACER from those years the CMOS battery looks like a coin, or a coin wrapped in plastic and connected to the motherboard.

On most models from same series the battery is located on the lower side of the motherboard, like on picture below:


On some model the battery may be located underneath the keyboard.

Here disassembly instructions for a similar model.

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unplug everything from the laptop, remove the battery from the back and hold the power button for 30 seconds. On most computers, this will reset the cmos without needing to remove the cmos battery.

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Where can i find CMOS battery of my laptop ACER travelmate

You will have to turn it upside down and start removing compartments untill you find it. (As you did not give me the model of the computer I can't tell you exactly where it is)
The CMOS battery is located on the motherboard and it looks like a large watch battery.

Details on changing it is here:

Have a great Day!

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TravelMate 530 CMOS Battery

You BIOS setup at the time of bootup should have a reset to factory settings. However if it requires a password you may have trouble getting into it.

Some notbooks have a battery you can pull off the motherboard to reset it back to factory settings. It usually is a small lithium battery.

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