Question about Acer Aspire 5100 Notebook

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Need to change cmos battery (if there is one!)

Is there a cmos battery on the Acer Aspire 5100 laptop, and if so how do I identify it, and how do I change it.

My problem has been with the laptop losing date & time.

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Yes , the battery is the size of a dime or quarter and round.
2. this will require the laptop to be disassembled.

Posted on May 01, 2010

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2 Answers

Is the cmos battery soldered to the motherboard on Acer Aspire 5336-2524


no, cmos batteries are not soldered to the motherboard nowadays

Jun 28, 2015 | Acer 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

1 Answer

Clock cannot keep time or date


change ur laptop cmos battrey

Apr 30, 2010 | Acer Aspire 5100 Notebook

1 Answer

Acer Aspire 5100 Notebook Boots to Windows, but nothing works.


Have you tried pulling the battery out for ten minites also mains lead.

Feb 19, 2009 | Acer Aspire 5100-5033 Notebook

2 Answers

Where is the CMOS battery located on Acer Aspire 5100 laptop?


Bottom of the laptop, the big cover that comes off. Below the wlan card

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Feb 18, 2009 | Acer Aspire 5100 Notebook

1 Answer

Cmos battery `


It looks like a small round hearing aid battery. You will need to access your motherboard to find it which probably involves removing the bottom of your laptop. Hope this helps.

Jan 01, 2009 | Acer Aspire 5100 Notebook

2 Answers

Reset bios password or remove


Search for !BIOS,
or
remove the battery on the laptop's motherboard, wait a few minutes, then reinsert the battery,
or
Read your laptop's manual and find a BIOS reset jumper, and put a piece of metal between the two prongs to reset the BIOS.

Dec 16, 2008 | Acer Aspire 5100 Notebook

1 Answer

How to reset bios password


open the laptop and disconnect the cmos battery.wait for a minute then then replace back the battery.then post screans messages will appear.follow screen instructions.u

Aug 30, 2008 | Acer Aspire 5100 Notebook

1 Answer

My Acer Aspire 5100 clock keeps falling behind...


if the clock is consistently being resetted then most likely you have a failing cmos battery. you need to dismantle the laptop in order to have access to the cmos battery. you need to fina a COIN type battery.

Apr 12, 2008 | Acer Aspire 5100 Notebook

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