Question about IBM ThinkPad T23 2647 Notebook

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How do I find the motherboard and replace the watch battery inside

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This model Thinkpad does not use a coin watch battery for the BIOS. It uses a battery that is enclosed in heatshrink with a battery lead and connector.
The battery may be access from the bottom of the laptop behind a panel.

Posted on Feb 11, 2012

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Posted on Jan 02, 2017

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Where Can I find a screenshot of the motherboard on my netbook?


http://www.fixya.com/support/t17450538-bios

There it is!

Needed to know WHAT Netbook we're talking about here.....

Problem is the info only brings it down to,.....oh,.........about 7 different Acer Aspire One models, (At 8.9 inches)
That may be a low estimate.

Akin to, "I have a Ford Ranger, and need spark plugs for it."
Question that would come back is, "What engine size is in it?"

So my question is, "What is the Model Number of the Acer Aspire One? It's on the Bottom of the Netbook."
Otherwise you get generic information...........

As asked for;

1) http://www.ebay.com/itm/Acer-Aspire-One-ZG5-Motherboard-DA0ZG5MB8F0-Intel-Atom-1-6GHz-SLB73-Processor-/111058162715?pt=UK_Computing_LaptopMotherboards_CPUs_CA&hash=item19db95141b

CMOS Battery is also known as the RTC Battery.
Real Time Clock Battery.
For the above motherboard photo, it is to the upper Left, and near the white long plastic part, above it.

Right below it is a small round Black piezo style of buzzer.
Watch style type of battery, and is either a CR2032, or a smaller style.
Believe it to be on the Top of the motherboard, if memory serves.

2) http://www.ebay.com/itm/ACER-ASPIRE-ONE-A110-NOTEBOOK-MOTHERBOARD-MBS0706001-31ZG5MB0070-DA0ZG5MB8G0-/130895071455?pt=Motherboards&hash=item1e79f448df

Left side/Middle
Usual round watch style battery.

3) http://www.ebay.com/itm/Acer-Aspire-one-8-9-A150-Motherboard-DA0ZG5MB8G0-Test-/160422303501?pt=Motherboards&hash=item2559ea170d

In photo, top of motherboard slightly off center to the Right.
Next to what looks like a small black round Piezo style buzzer.


Indication CMOS battery needs to be replaced?
Message, or Time/Date changes?
Replace the CMOS (RTC) Battery.

Trying to circumvent a password, by removing CMOS battery for a short period of time?
Don't think so. Believe there is a Capacitor, or Capacitors; that hold a trickle charge INDEFINITELY.

Suggest use an ESD wrist strap when working inside the netbook.
Otherwise you will Static shock out the delicate hardware components inside the Netbook.

Just videos that may help your endeavor,

A) http://www.youtube.com/watch?v=cEyXFj1WtYA

B) http://www.youtube.com/watch?v=-GS_gC6uMVA

For additional questions please post in a Comment.
Regards,
joecoolvette

Apr 01, 2013 | eMachines Computers & Internet

1 Answer

How to replace a cmos battery


At any walmart, grocery or drug store. They cost less than $5.00

It's only a watch type battery and the most popular is the CR2032, but take the one inside of your computer out and make sure you buy the same .
Laptops:
Most laptopsrequire you to take the laptop apart to get to the CMOS Battery. It willbe a silver battery about the of a nickel on the motherboard. Themost common is CR2032. Also sometimes the battery will be in a vinylcovering and have a cable that attaches to a port on the motherboard. Whichever type you have you'll need to either remove the battery or unplug the cableand let the laptop sit for an hour or two. Then put it back, reassemblethe laptop and reboot the laptop. With the CMOS battery out the computerwill lose the date, time and password.

Desktops:

Remove the Power Cord, Remove the Case, sit the computer on it's side and look inside with a flashlight. You should see the cmos battery sitting somewhere on the motherboard. It will be a shiny silver watch type battery about the of a nickel Just use a small flat head screw driver and pop it out.

Apr 25, 2012 | Computers & Internet

2 Answers

How to change mainboard battery?


Most PC users don't think much about the CMOS battery until their computer shows signs of losing its BIOS settings on boot up. If you tend to upgrade rather than replace your PC, replacing the CMOS battery every couple of years makes sense.
Likewise, if you purchase a used PC, battery replacement is a good idea unless the PC is less than two years old. It's just one more preventive step you can take to prevent troubles in the future.
If you have never replaced a CMOS battery before, you can find step-by-step instructions below.
In most cases, frequent CMOS errors are a sign of a dead battery. The CMOS battery maintains your settings while your PC is powered off. You can easily replace the battery yourself.


Instructions:
  1. Boot your PC and enter its setup mode.
  2. Write down all of the settings from the various BIOS menus. Click this link to learn more about this procedure.
  3. Power off your PC.
  4. Open the case of your computer
    cmosreplace_1.jpg cmosreplace_2.jpg Figures 1-2. Undoing the screws on your PC case. cmosreplace_3.jpg Figure 3. Opening the case of your PC.
  5. Locate the battery on the motherboard.
    cmosreplace_4.jpg Figure 4. Battery location on the motherboard. The layouts of the components differ on different motherboards, so you'll have to consult your motherboard user manual for specifications about the battery and its location.
    This is a close-up view of the battery on the motherboard.
    cmosreplace_5.jpg Figure 5. Typical CMOS battery. The most common type of batteries used in modern PCs is coin-shaped lithium/manganese-dioxide battery that looks like a large watch battery.
  6. Obtain a replacement battery from a local or online computer parts dealer.
  7. Remove the old battery.
    cmosreplace_6.jpg Figure 6. Removing the old battery.
  8. Replace it with the new one, as shown on the picture below.
    cmosreplace_7.jpg Figure 7. Replacing the battery.
  9. Document the date of replacement for future reference.
  10. Replace the case and power on the PC.
  11. Enter the setup mode of your PC.
  12. Reenter the settings you have written down from the various setup menus.
Tips:
  1. Don't forget to observe proper anti-static precautions when working inside the case of your PC.
  2. If you can't see your battery right away, try removing expansion cards or unplugging cables. The majority of newer motherboards use lithium batteries that look like large watch batteries.
If the battery is already dead and you receive messages saying "CMOS checksum error", skip Step 1 and Step 2.

Sep 03, 2011 | Fujitsu Siemens JETSON POWER (J815-E2F) PC...

3 Answers

How do i replace back up batterry (cmos) in my desktop presario


The BIOS battery in most desktop motherboards is a coin size lithium battery approx. 20mm in diameter. The most common type used is a CR2030 3volt lithium battery.
To release the battery, press the metal clip to the side and the battery should pop up.

Nov 26, 2010 | Compaq Presario SR1050NX (DW257A) PC...

2 Answers

Acer travelmate 342t CMOS Battery bad, How do I


it is inside,on the motherboard,it is a watch type battery or a vinyl coated battery pack that plugs in the board,if it is the watch battery type,be carefull removing it.the holder can break off the motherboard very easy,might be able to get to it by removing the plastic piece above the keyboard that surrounds the power button,otherwise dissassembly will be necessary

Oct 05, 2009 | Acer TravelMate 342T Notebook

2 Answers

Date reverting back to 2002


Somewhere inside your laptop is a small watch battery. Refer to the manual to find it's location. This battery powers CMOS. Find this battery and replace it with a new one and it will solve your problem.

Aug 04, 2009 | Fujitsu Siemens AMILO D-7830 Notebook

2 Answers

Dead battery on nixon insider watch!


The insider has not one, but FOUR batteries. I took it to my local jeweler for replacement and the watch never worked the same again. I suggest you return to Nixon for battery service.

To Nixon's credit, their warranty dept. replaced my watch after trying to fix it.

Dec 12, 2008 | Nixon Insider NIX0033 Wrist Watch

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