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Pcg 4h1m How do i replace CMOS battery on a Sony vaio pcg 4h1m? Can it be done without technical knowledge? I had previously one done at a specialist but battery only lasted 9 months.

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Posted on Jan 02, 2017

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  • 35 Answers

SOURCE: CMOS Battery Replacement

No access panel for that. That is located on the motherboard. You will have to take of the keyboard to get access to it.

Posted on Aug 19, 2008

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  • 149 Answers

SOURCE: CMOS battery

the cmos battery is under the palm rest of the viao....requires you to take off the keyboard and undo 2 screws holding the palmrest on....slide the palmrest off....battery is plugged into the touchpad circuit board

Posted on Dec 15, 2008

HW_Dude
  • 87 Answers

SOURCE: How Replace CMOS Battery in Sony Vaio VGN-FS742 / PCG-7D2L?

Here is are disassemble instructions for you,

Good Luck


Posted on Jan 11, 2009

  • 37 Answers

SOURCE: does the sony vaio PCG-4H1M have a mircophone? I

Check right next to the camera it should be a small hole right next to it. If its there then you have a problem with skype.

Posted on Sep 17, 2011

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1 Answer

How to replace internal battery for Sony PCG-955A


If you mean the cmos battery you will probably need to take the laptop apart - if you are lucky it may be under the keyboard - look at the screws on the back and see if any show symbols for keyboards.

There is a vaio manual here.
https://docs.sony.com/release/PCGFX170.PDF

Oct 05, 2014 | Sony Vaio PCG 955A Laptop Universal AC...

1 Answer

Hi, i have sony vaio pcg-7142l laptop i forgoton the bios password,i removed the cmos bettery but its still locked so please help me?


The BIOS password, must be reset at a Sony Service center: View Document 0 185182553. I can't find locations, so contact Sony Technical Support for help: Sony eSupport - Electronics - Select Your Model.

Dec 20, 2013 | Sony VAIO PCG-K33 Notebook

1 Answer

I want to clear CMOS


The CMOS is a block of static RAM that will lose its data if power is removed.
most newer laptops are using a small block of Flash RAM (perhaps a block of addresses within the Flash BIOS chip itself) or other type of EEPROM chip to store the password.

No amount of removing batteries and pressing power buttons will change it


http://esupport.sony.com/US/perl/model-documents.pl?mdl=PCG-3E2L

you might get some more information from the manual

hope this helps

Jul 24, 2012 | Sony VAIO Notebook

1 Answer

Does the sony vaio PCG-4H1M have a mircophone? I


Check right next to the camera it should be a small hole right next to it. If its there then you have a problem with skype.

Sep 17, 2011 | Sony VAIO Notebook

2 Answers

How do you reset the CMOS of the Sony PCG-7142L without removing the CMOS battery or disassembling the unit?


To reset the cmos, enter the bios menu and select "Default Settings", press F10 and exit.

Mar 08, 2011 | Sony VAIO Laptop

1 Answer

How to reset bios password on sony vaio laptop?


Hello,
Please open you vaio laptop from bellow instruction link.
http://www.insidemylaptop.com/how-take-apart-sony-vaio-vgn-sz-series-laptop/

Follow step 14
You can manege the idea about CMOS battery.

http://www.insidemylaptop.com/disassemble-sony-vaio-vgn-bx-series-laptop/

Follow step 11

But this is your actual model
http://www.insidemylaptop.com/?s=PCG-K33+PC+Notebook
Just remove the Cmos battery And wit 2 minutes again fit the battery .Your password will be soon reset.

Hope it will help you.

Dec 26, 2010 | Sony VAIO PCG-K33 Notebook

1 Answer

Cmos battery


open the case at back of your notebook you will see the motherboard, look for the battery just a size of a coin, thats the cmos battery and replace it with a new one.

Nov 08, 2009 | Sony VAIO PCG-K23 Notebook

1 Answer

Can anyone tell me where the cmos battery is on a Sony Vaio PCG-7


at the back there would a white strip containing some info. it would be sticked on battery . there would be 2 buttons. first slide lock and then slide release and its done

Oct 30, 2009 | Sony VAIO FX150K Notebook

1 Answer

How to replace cmos batter for sony pcg-tr3a


I replaced on on a old vaio. It was button battery under th e keyboard. have to be careful not to break the battery holder because the plastic drys out, suggest drop of oil.

Oct 11, 2009 | Sony PCG-TR3A Notebook

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