Question about Acer TravelMate 2303LCi Notebook

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Where is the CMOS Battery? Acer 2303lci

Bios is posting errors in the system clock, so I want to replace the cmos battery but can't find it

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  • b92543 Feb 07, 2009

    keyboard side or bottom side?

  • b92543 Feb 07, 2009

    any hints on removing case/ or keyboard to access battery? have everything on bottom removed

  • b92543 Feb 07, 2009

    still having problems with snapping off bottom seem to be held still around wireless card and cd also around the battery area?

  • b92543 Feb 07, 2009

    keyboard off , no battery to be found, near ribbon cable?

  • b92543 Feb 07, 2009

    concluded that there is no battery after complete dissassembly...nothing remotely looking like a normal cmos battery .....can someone who has "this model" shed some light on the subject?

  • b92543 Feb 07, 2009

    nope on the bios reset in bios - did reset to default

    nope on the msconfig , no reset

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It is in the middle of the mother board. It looks just like a watch battery.

Posted on Feb 07, 2009

  • 1 more comment 
  • Jeremy Reddick
    Jeremy Reddick Feb 07, 2009

    Keyboard side

  • Jeremy Reddick
    Jeremy Reddick Feb 07, 2009

    All your screws are located on the bottom then the bottom unsnaps. Once you remove all the screws, with a small screw driver an very carefully remove the keyboard

  • Jeremy Reddick
    Jeremy Reddick Feb 07, 2009

    Ok then you need to reset your bios. run MSCONFIG, in there will be BIOS reset

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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

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

slasher_x_2.gif
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

Getting a CMOS checksum bad error when starting my Acer M5640 Desktop with Windows 7 Thanks Daniel


Solutions to CMOS Checksum Bad Error

The CMOS Checksum Bad Error can be fixed easily by following the listed steps carefully.

CMOS Battery may not be functioning properly

If you suspect that your CMOS battery is not functioning properly, you can easily change it. Before changing your battery, reboot your computer to make sure that the error still exists. If it does, go into your CMOS and write down all of the settings. If all the settings are lost, you can usually retrieve them from your computer manufacturer. Now locate the battery and remove it, you might need to consult your computer's manual or technical support to remove your battery (the battery a flat, shiny silver colored and coin-shaped). Take down the CMOS battery's information such as volt, size, etc. Once you have your new battery, you can replace it and reenter your CMOS settings. If your battery was the cause of the CMOS Checksum Bad Error, you should have solved the problem.

Your BIOS may have been updated

If your BIOS have been updated recently, your CMOS settings may have reset. Make sure that the values entered in the BIOS are correct or simply reset them to the default settings. If you believe that a virus has updated your BIOS settings, run a virus scan and make sure that the BIOS settings are back to the default.

The Computer may not have been shut down properly

Sometimes when running MS Windows, if you shut down your computer without first properly shutting down your operating system, it will corrupt the CMOS settings causing the CMOS Checksum Bad Error. You can easily avoid this error by making sure that you completely shut down your computer properly before turning off the main power. Usually this entails going into the Start Menu, clicking on Turn Off Computer/ Shut Down. If improper shutdown was the cause of the error, you may have solved the issue.



akuma_ryu21 rate it pls!!

Jan 21, 2011 | Computers & Internet

1 Answer

Dell inspiron 1545 laptop (Time- of- date clock


This could mean two things: a problem with the cmos battery or the motherboard itself. Try to remove the cmos battery first and install. If not,then replace the cmos battery.

Oct 12, 2010 | Dell Inspiron 1545 Notebook

1 Answer

Bios clock has stopped on Fujitsu T4215 tablet pc. Have tried: 1) updating bios 2) re-installing cmos clock Clock starts again once in Windows (but from static date in bios) and can synchronize clock from...


I thik your CMOS clock (HH:MM:SS ) SS digit not moving forward. If it is then just unplug your CMOS Battery and 5 min later reassemble it ...your problem will be solved.if your BIOS whole setup reset including clock and SSS digit moving forward then replace your CMOS battery...if your not expert to open laptop then take a expart help to open it and run this procedure..

May 14, 2010 | Fujitsu LifeBook T4215 Tablet PC

1 Answer

Cmos battery bad real time clock error


Is time to replace the battery. Is gone.

May 05, 2010 | Acer TravelMate 512DX Notebook

1 Answer

I get Error 173 and 163 when I start my thinkpad. What can I do?


The Thinkpad POST error code you are getting are :-
163 - CMOS error, clock is not updating
175 - Bad EEPROM CRC
This is caused by either a faulty EEPROM chip or a flat CMOS battery.
Replacing the CMOS battery and go into the CMOS/BIOS configuration and set the Date and Time etc.
If the problem is still there then it is a motherboard problem and depending upon the age of the laptop it may not be worth repairing.

Jul 08, 2009 | IBM ThinkPad X61s PC Notebook

1 Answer

Clock not keeping correct time


The CMOS battery keeps the laptop configuration stored in the CMOS chip and the main battery has no effect on the CMOS.
If the date and time drift off, it indicates the CMOS battery is nearly flat and needs to be replaced.
If you had ticked the Daylight saving box in the Time Zone tab in Control Panel - Date and Time setting then the time would automatically adjust for Daylight saving.

Apr 05, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

While booting error " bios shadowed " & 0175: bad crc1, stop post task


sounds like cmos battery flat small battery inside pc to retain cmos setting when pc switched off

Oct 02, 2008 | IBM ThinkPad T20 2647 Notebook

1 Answer

Bios


Replace the CMOS battery that is busted. after replacing configure in bios setup and load bios setup default.

Feb 01, 2008 | E-Machines eMachines Desktop PC

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