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CMOS battery bad

I have a Acer AcerNote Light laptop and when I go to turn it on it says CMOS battery bad. WHat does this mean how do I fix it

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  • Art Weber May 07, 2009

    Same as the other guy. Is the change out as simple as removing the bottom case or does the whole computer require complete disassembly starting from the top down? Thanks for any help.

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Acer TravelMate 225X solution:
The battery type CR2032 (Lithium, 3V, 20mm/3.2mm) is the same as mentioned in solution #1 but you must use a cell with connected wires and a 3-pin connector. It is hard to buy. A workaround is (1) to use the battery with connected tabs or (2) the battery holder (maybe BH1060 or similar). Original wire and connector from old battery must be cut out and soldered to new battery tabs or holder pins. Remember polarity - note the wire colors.

The battery position is under keyboard in the central position between the PCMCIA slot and the CD-ROM slot. Remove the strip cover near the display, slide the keyboard in the direction of display and lift it up.

Posted on Dec 20, 2008

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Need picture of the laptop and the battery.

Posted on Apr 25, 2009

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This means that the cr2032 a small disc shaped battery on the motherboard that keeps all the motherboard, time and date settings requires changing. You will have to remove the underside panels to see where the battery is located on the motherboard.

Posted on Oct 09, 2007

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Posted on Jan 02, 2017

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2 Answers

Does this P.C have an internal battery, and if so can it be changed


If you mean a BIOS or Backup cell, yes, akk OC's have. We cannot comment on how to do it as you don't reveal the make and model.

Aug 06, 2015 | Computers & Internet

Tip

How to replace the CMOS battery in an Acer Aspire laptop.


General info
All laptops have a CMOS battery. The main purpose for the CMOS battery is to store the system time, date and BIOS settings even if the computer is turned off or the main battery dies. Individual Acer Aspire laptop models differ somewhat, but the general steps are the same when replacing a dead CMOS battery.

Before you start
1) Read through the owner's manual for your particular Acer Aspire laptop to determine what kind of CMOS battery you need.
2) Purchase the battery through Acer or a local or online computer parts dealer.
3) Turn the laptop off and unplug it. Also unplug any external hard drives, cameras, or other external devices.
4) Turn the laptop over (bottom facing up), then touch something metal to remove static charge.

Removal of the CMOS battery
Remove the Phillips screws that secure the motherboard cover (refer to your owner's manual if necessary), then release the cover from the clips on the bottom of the plastic casing. Lay the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then remove the battery.

The battery should look something like this

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Plugging the new battery in
Plug the new CMOS battery cable into the motherboard. Slide the battery partially under the laptop casing (somewhere to hold it in place), then align the cover with the slots on the bottom of the laptop housing. Replace the screws then turn the laptop back over.

Finalizing
1) Turn the laptop on.
2)Enter your BIOS (usually by pressing the "Delete" key) before the operating system loads.
3) Follow the BIOS prompts or refer to your Acer Aspire owner's manual to reset your time, date and desired system settings.

Reason: Anytime the CMOS battery is unplugged for more than a few seconds your BIOS will be reset to the default manufacturer settings. If you make any changes to the BIOS that cause problems with your Acer Aspire, unplug the CMOS battery for 3 to 5 seconds to correct the problem.

Please rate this tip by clicking the thumbs up at the bottom right of this solution. Your rating is much appreciated.
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on Nov 12, 2010 | Computers & Internet

1 Answer

How to take apart an acernote 760ic?


The current CMOS battery is soldered onto the motherboard under the keyboard - you need to have soldering skills to remove and replace the battery or take the computer to someone who can do it for you. Be careful who you ask - that is a collector's item!

Sep 05, 2014 | Computers & Internet

1 Answer

Bl51 motherboard


All laptops have a CMOS, or "Complementary Metal Oxide Semiconductor," battery.
The main purpose for the CMOS battery is to keep the system time, date and BIOS settings even if the computer is turned off or the main battery dies.
Individual Acer Aspire laptop models differ somewhat, but the general steps are the same when replacing a dead CMOS battery.Preparation

Read through the owner's manual for your particular Acer Aspire laptop to determine what kind of CMOS battery you need.
Purchase the battery through Acer or a local or online computer parts dealer.
Turn the laptop off and unplug it.
Also unplug any external hard drives, cameras or other external devices.
Turn the laptop over (bottom facing up), then touch something metal to remove static charge.
Removal
Remove the Phillips screws that secure the motherboard cover (refer to your owner's manual if necessary), then release the cover from the clips on the bottom of the plastic casing.
Lay the cover aside, then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable, then remove the battery.
Installation
Plug the new CMOS battery cable into the motherboard.
Slide the battery partially under the laptop casing to hold it in place, then align the cover with the slots on the bottom of the laptop housing.
Replace the screws, then turn the laptop back over.
Settings
Plug the laptop in and turn it on.
Enter your BIOS (usually by pressing "F1," "F2," F10" or the "Delete" key) before the operating system loads.
Follow the BIOS prompts or refer to your Acer Aspire owner's manual to reset your time, date and desired system settings.
BIOS Reset
Any time the CMOS battery is unplugged for more than a few seconds, your BIOS will be reset to the default manufacturer settings.
If you make any changes to the BIOS that cause problems with your Acer Aspire, unplug the CMOS battery for 3-5 seconds to correct the problem.
http://support.acer.com/us/en/default.aspx


Acer aspire laptop battery replacement
http://www.youtube.com/watch?v=mQTZ1AUR0uw

Jul 24, 2013 | Acer Aspire 5100 Notebook

2 Answers

My Acer Aspire 9300 laptop wont turn on......light indicators are on (motherboard light blinks once, light bulb and battery lights on) but no power to fans so no start up. have had this happen before but...


Very possible that something has short circuited on the motherboard. I would also try re-seating the memory located on the bottom of the laptop(which could be loose explaining the intermittent nature of the issue). On an IBM I once fixed that had the same issue I took out the CMOS battery and battery for one week and then re-installed and that fixed the issue. But good luck to you!

Sep 23, 2009 | Acer Aspire 5315 Notebook

3 Answers

Thinkpad 380ED error 161 163


Replace CMOS battery and reset time and date. Turn the computer over. Loosen 1 screw on RAM and CMOS door and lift door away. CMOS battery is to the left of the RAM chip (if you have the extra RAM installed.) Using a very small flat screwdiver, gently insert it under the bottom edge of the battery itself, between the rdge of the battery and it's holder, and GENTLY pry up the bottom edge of the battery. It will easily pop out. DO NOT REMOVE THE BLACK PLASTIC CMOS BATTERY HOLDER ITSELF OR YOU WILL RUIN IT! Go to Batteries Plus or Radio Shack and perchase a CP1220 (3volt) battery. They are less than $4.00. Make sure that you have the new battery correct side up and insert it back into the holder by sliding it in from the bottom and gently push down and the new battery will pop back in. Re-start your machine and when the errors pop up hit "enter" and then enter the correct time and date. You should be good to go from there. Don't let anyone badmouth your 380ED. I have one that I used at trade shows for years and it still performs perfectly. It is built like a tank and won't run XP but Win98 is just fine on this rig. IBM (Lenovo) sure built them with the consumer in mind back then. Easy to add RAM and change CMOS battery, unlike my new ACER Aspire One, and my vintage AcerNote Lite that has to be completely dissambled to do either!

Apr 11, 2009 | IBM ThinkPad 380ED

1 Answer

Where can i find CMOS battery of my laptop ACER travelmate


Hello,
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: http://www.smartcomputing.com/editorial/article.asp?article=articles/2004/w1510/32w10/32w10.asp&articleid=24031

Have a great Day!

Jan 28, 2009 | Acer TravelMate 529ATX Notebook

1 Answer

Power Trouble


How to replace the CMOS battery. Like any battery the computer CMOS battery can fail or lose its charge.

No power or computer does not turn on. No power from the computer can be caused by any of the below possibilities. ... into the laptop you should see a power light or battery charge light.

How to replace the CMOS battery. Cause:. Like any battery the computer CMOS battery can fail or lose its charge. ... Most likely causes are bad power supply or bad motherboard.


Good Luck, Please dont for get to Vote.Thank you.

Dec 19, 2007 | Dell InspironTM 1501 Notebook

1 Answer

Acer acernote 735c memory 8mb 40pin DRAM SIMM


Try this site for older memory types http://www.orcalogic.co.uk/asp/memoryfinder.asp?ft=m&st=1

Jan 25, 2007 | AcerNote Light 355 PC Notebook

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