Question about Toshiba Satellite A135-S4527 Notebook

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Battery Bios Hello, I try to find the battery Bios of my laptop. I can't open completly the laptop, so I can't see where it is exactly. Do I have to open the pc by the rear access or by the keyboard? Thank you.

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  • Chris baillon Oct 29, 2008


    It's open now but I can't still find the battery!!!




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Open it by rear access 'coz keyboard don't open completely

Posted on Oct 29, 2008


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How can i remove advent ert2250 bios password

Hello there,
To remove the bios password from you advent laptop, Power off the computer and make sure that it is unplugged. Open up your computer case. You need physical access to the motherboard to complete this procedure. Find a circular, (mostly) silver metallic object on the motherboard. This is the CMOS battery. CAREFULLY remove the CMOS battery and leave it out for about 120 seconds then put a piece of wire or metal between the battery contacts. This will remove the bios password stored.. This will flush the CMOS memory which stores the BIOS password and all other configuration. (See Warnings) Set the battery back into place and power on the computer. The computer should then warn you that the CMOS configuration could not be found. You can either reconfigure it yourself or restore defaults. Restoring the default configuration should be fine. You will notice that the BIOS password has been cleared and you can boot without it. You may reset the BIOS password to something else by going into the BIOS configuration and setting a new User Password (The Supervisor Password controls access to the BIOS, NOT the computer!)
All the best. Elect_Comp

Sep 13, 2011 | Dell Latitude D600 Notebook

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I forgot the bios password for my sahara 15wcs laptop. How can i remove it?

Hello !
On this tutorial we will remove the bios battery that remove the bios password , do follow this instruction
1-Turn off your computer
Disconnect from Power, removing the battery.
3-Put his hands on a metal parts to separate you from the potential static electricity.
4- Close the computer and return on the back.
5- Loosen the screws that allow the opening of the rear cover.
6- Carefully remove the rear cover, without forcing.
7-You are at the inside of your PC, do not be fooled. Locate the BIOS battery which in most cases the shape of a large watch battery or camera: flat and round, but on a laptop is often enclosed in a small plastic cover and is connected to the map mother with two son. It will look like this (the color is subject to change): (look at the picture below )

8- Disconnect the power from the battery by gently pulling the plastic plug.
9- Press about twenty seconds on the power button on your notebook.
Reconnect the battery.
10-Close the unit by making sure to tighten gently, reconnect the po
wer supply.
Good luck & thank you for shoosing fixya .

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I forgot password for bios ,that is category extensa 4230 thank you advance


Just remove all the screws at the back of your laptop and remove the CMOS battery located in the motherboard to reset the BIOS setting.

Jan 11, 2011 | Acer Extensa 500T Notebook

1 Answer

Hello, I recently purchased the 12-cell battery for the Gateway NV5214U which I upgraded from Vista to Windows 7. However the laptop does not recognize it. It says to remove the battery as it could...

First, you will need to check the voltages of the 2 batteries & make sure they are identical. Both batteries should have identical voltages. The only difference should be that 12-cell batteries last longer than 6-cell batteries.

Next, take the battery off the laptop, & using a dry tooth brush, scrub in between the fins of the battery connector on the motherboard & on the battery it self, then put the battery back into the laptop & try again.

And last, if none of this works, then try updating the BIOS. Sometimes this solves problems with the battery not being detected. You can download the BIOS for your model from Gateway support site. You have to download the BIOS for your exact laptop model. I would also recommend to do some research on the Internet before updating the BIOS to see if somebody else encountered the same problem on the same laptop model, & whether it was solved by flashing the BIOS or not. Beware not to turn the power off while flashing the BIOS, or you might render your laptop unusable.

Oct 14, 2010 | Gateway Computers & Internet

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I think my bios battery is bad on satellite P105-S6104> what kind do I need to replace it?

You have to replace the battery with CR2032 no , its a default model for all laptops BIOS battery, kindly check the number in the old battery to fix it exactly. you can find the battery in the bottom of the laptop, its has some opennings locked by screws if you open that you can see it , the battery will be like this onlyc859cb6.gif

Oct 30, 2009 | Toshiba Satellite P105-S6104 Notebook

1 Answer

BIOS reset

By resetting the CMOS battery all you need to do is to teardown your laptop and have to remove and reinstall the CMOS battery. And for the replacement of the CMOS battery of your Samsung laptop just call SAmsung technical support so that they can give you the exact model of the CMOS battery and where you can have the battery. Thank you.

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CMOS battery problem

To replace the CMOS battery you should first go into the BIOS and write down the settings so that you can reset them afterwords.

Now unplug any sources of power from your computer (as the picture is of a laptop im going to assume its a laptops CMOS battery you are changing) So make sure to take the regular battery out aswell

Now you must locate the CMOS battery on the motherboard. (it looks like a large watch battery)
Get a new battery of the exact same specs as the battery you removed.
Put the new battery in. Turn on the computer and enter the BIOS. Reset all of the settings and you are good to go :)

Have a great Day!

Jan 28, 2009 | Acer TravelMate 529ATX Notebook

1 Answer

Where does bios battery locates

you have to take it apart to get to the battery, it is soldered on the mainboard

Sep 01, 2008 | Acer Aspire 5100 Notebook

2 Answers


Yes, you do have to take it apart. How do you know the cmos battery is bad? Is the time wrong all of the time??Does the BIOS default all the time??

Nov 09, 2007 | Acer Extensa 710TE Notebook

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