Question about ASUS Eee PC 1005HA-PU1X-BK Netbook

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Where is the cmos battery in the Asus 1005HA - ASUS Eee PC 1005HA-PU1X-BK Netbook

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1) remove all screws from the back of the unit
2) remove the keyboard by pressing the tabs above it, which hold it in
3) remove all the screws from under the keyboard
4) disconnect the ribbon cable from the touch pad
5) unsnap the edges around the top of the case, and remove
6) cmos battery will be in the lower left corner

See picture:

Posted on Nov 24, 2010

  • 2 more comments 
  • yankhunt960 Nov 25, 2010

    Do you know what the model of the battery is before I take apart the machine?

  • Jennifer Ridge
    Jennifer Ridge Nov 27, 2010

    thank you for the picture!!!!

  • fabiomatos Feb 04, 2011

    I read in another site that the model of the battery is:
    3 volt lithium ML1220 (Panasonic) rechargeable

  • AmeriR Mar 04, 2011

    Thanks for your advice. It was a challenge pulling it apart! Ordering the battery through ebay, and will see what happens...



6 Suggested Answers


6ya staff

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Posted on Jan 02, 2017



  • 2 Answers

SOURCE: What model is the cmos battery for an Ausus 1005HA

100HA CMOS Battery

Posted on Dec 02, 2010


  • 20 Answers

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Posted on Jan 03, 2010


Simon Swales

  • 632 Answers

SOURCE: how to boot asus 1005ha in safe mode

Hold F8 While turning pc on and select Safe mode

Posted on Jun 22, 2010


  • 10406 Answers

SOURCE: is the cmos battery rechargable y the Asus Eee PC

It should be a "trickle" charge, i.e., just turn it on, and a small amount of current will be used to recharge the CMOS battery, in the same way that driving your car recharges your car's battery.

Posted on Jan 21, 2011


Chris Hingee

  • 32281 Answers

SOURCE: Hi - What is the life-expectancy for the ASUS Eee

The BIOS battery should last 2+ years.

Posted on Feb 19, 2011

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Related Questions:

1 Answer

How do you replacement the cmos battry for a ausu 1005ha
this could help you ,,, the battery is located under the keyboard and the metal cover ,,, you must remove the k.b and the metal cover ....

Mar 06, 2012 | ASUS Eee PC 1005HA-PU1X-BK Netbook

1 Answer

Asus Eee 1005HA hangs on boot

This works for my Asus Eee PC
1. Shut down and remove the battery.
2. Press the power button 10 times, next 1 minute pressing down.
3. Remove the memory and at the motherboard you'll see a clrrst (clear reset cmos..)
4. Short these 2 tiny pads by placing a tiny screw driver for 5 seconds, plug the power adapter and turn-on the switch, next wait at least for 3 seconds. Remove the power adapter.
5. Place back the battery and turn-on. You'll see the same screen (Logo of Asus) then patiently wait for at least 10 minutes or more. That's it.Good luck.

Feb 16, 2012 | ASUS Eee PC 1005HA-PU1X-BK Netbook

3 Answers

What is the type cmos battery for the asus eee pc 1005hab

Hello alaskavet77,

i found this website where in they are selling batteries for all of the units/systems maybe it will resolve your question or you may wanna check this website

thanks :D


Apr 05, 2011 | ASUS Eee PC 1005HA-PU1X-BK Netbook

2 Answers

Is the cmos battery rechargable y the Asus Eee PC 1005HA model

It should be a "trickle" charge, i.e., just turn it on, and a small amount of current will be used to recharge the CMOS battery, in the same way that driving your car recharges your car's battery.

Jan 21, 2011 | ASUS Eee PC 1005HA-PU1X-BK Netbook

1 Answer

How do I access the CMOS Battery in a Asus EEPC100HA in order to replace it.

If memory serves the CMOS battery for the EEe PC 1005HA is under the Palm Rest in the front.

You have to remove several screws from the bottom side of the laptop, remove the Keyboard, Static shield, then the Palm Rest.

The CMOS battery is the usual watch type of battery, but has two wire soldered to it. (Black and Red), and is placed in a blue plastic 'bag'.
At the other end of the wires is a small white male plastic connector.
This connector plugs into the motherboard.

This shows a generic 'knock-off',


THAT is utterly ridiculous.

The battery is just a small watch style type of battery, with two wires soldered to it, that end in a connector.
The battery probably costs $2.

I suggest you take the battery out. See what the part number is on it, (CR2032?), and buy a new battery.
Go to a qualified computer repair shop, or car electronic stereo shop, and have them solder the wires from the old CMOS battery to the new one.

You may not want to try the soldering procedure, because it's a lithium battery. Excessive heat will make it go off like a bomb.

Here is the disassembly procedure to access the CMOS battery. This video is posted for accessing a wireless card module, (Also Harddrive),

Dec 19, 2010 | ASUS Eee PC 1005HA-PU1X-BK Netbook

1 Answer

Each time I start my eeepc 1005HA, time/date has gone. This sounds like a CMOS battery dead. I expect you give me what I must buy and how I can replace the battery. Thanks a lot.

you should change your cmos battery. the model is ML 1220. don't buy the CR 1220 because it is not rechargeable. I hope this helps. I also have the same problem with my asus eee pc 1005HA.

Dec 10, 2010 | ASUS Eee PC 1005HA-PU1X-BK Netbook

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