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How to remove bios password for sony notebook pcg-n505ve

I have forgotten the bios password , i am not able to open the sony notebook pcg-n505ve

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  • Manoj Feb 22, 2009

    In my  Laptop There is no Cmos Battery on mother board...such that how can i remove that bios password...My Laptop Model Is Acer ATOM.......Please Help Me....Reply As soon As possible...My Mail id: manojnet05@gmail.com

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Remove the small round cmos battery from the motherboard for about 5 seconds, replace & reboot. Hope this helps & please remember to rate my answer. Thanks.

Posted on Dec 29, 2008

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Sorry for that friend. You will have to check the back side of the system and locate the screws to disassemble it. You will see a flat battery quoted silver. Remove this battery and replace it after 5 sec. Assemble the system back and you are done. The password will be remove. Please rate my solution when you are done.

Posted on Dec 29, 2008

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HELLO SIR .How r u . HOW I CAN REMOVE MY NOTE BOOK BIOSE PASSWORD.
With thnks. My id talha_saeed1984@yahoo.com

Posted on Feb 19, 2009

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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

HAVE TRIED CHANGE THE CMOS BATTEWHAT CAN I DO NXTRY TO REMOVE BIOS PASSWORD BUT IT COUDNT WORK,?


Sony Vaio PCG and some Vaio VGN Series use the last 7 digits of the laptop serial number to calculate the bios master password. The serial number for a Sony Vaio is often located on the bottom of the laptop on a white sticker. The serial number may also be found by removing the battery and checking in the battery compartment. The link to unlockbiosrecovery.com below works on the following models:
PCG-C, PCG-F, PCG-GR, PCG-GRS, PCG-GRT, PCG-GRV, PCG-GRX, PCG-GRZ, PCG-N, PCG-NV205, PCG-QR, PCG-R, PCG-SR, PCG-SRX, PCG-TR, PCG-V, PCG-VX, PCG-X, PCG-Z, VGN-B, VGN-FS, VGN-S, VGN-T, VGN-TX1, VGN-X
I use http://www.unlockbiosrecovery.com/Unlock_Sony_Bios.php
For $20 they use the last 7 digits of the laptop serial number to calculate the bios master password and then email it to you in an hour. They guarantee it to work and you can call them if you have a question.

Sep 10, 2011 | Sony VAIO VGN-FS640W Notebook

1 Answer

Y need bios password for SONY VAIO PCG-983M .Please help.


There is no generic BIOS password. If there is one on your computer then someone set it up. If you cannot find that person or remember what it is then you need to reset the BIOS. To reset the BIOS you need to remove all power from the system. Then you will need to open up the notebook to get access to the motherboard to find the BIOS battery which will look like a large watch battery. Remove that for about 1 minute. Then replace everything and start up again.

Jul 03, 2011 | Sony VAIO PCG-GRT290 (PCGGRT290ZP28) PC...

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

How do I remove a bios password off of a Sony Vaio model number PCG-7Z2L or VGN-NR120E?


To remove the BIOS password read the information from this link.

In case of your laptop the easiest method would be using software from Hiren's Boot CD.

Oct 26, 2010 | Sony VAIO PCG-TR3AP1 Notebook

3 Answers

Bios password,


If you have a BIOS password and cannot remember what it is, download this program, run it and reboot your machine. Should remove the password for you. http://www.cgsecurity.org/wiki/CmosPwd

Oct 07, 2009 | Sony VAIO GRX500KA (PCG-GRX500KA) PC...

1 Answer

Forgotten bios password PCG-Z1RMP please help !!!!!!!!!!!!!!!


please remove the lithium cell from its place from 3 seconds then again put it in itsdefault place...........and start ur laptop...............and listen please dont try this without any one mechanic present ............only this is the soln.........this is very easy and not the matter of worry.................if u r helped then plz vote for me

Oct 05, 2009 | Sony VAIO Notebook

1 Answer

I need to flush my bios.forgot password. Sony vaio pcg-7g1m


Try This:
Reseat the CMOS battary:

How to Change/Reset a BIOS password Posted on 30 December 2008
Tags: Tech News, Tutorials If you are a normal computer user who has forgot his BIOS password and you are unable to access to your BIOS, then you need a simple way to change your BIOS. Its not that hard because you just need a simple trick to reset your BIOS password.
Open your CPU cabinet after switching OFF the power and then try to locate the CPU battery which can be found very easily. Once you locate your battery you need to remove it once and restart your PC without the battery.

cmos-battery-check.png Note : Once you remove your battery from the mother board, you will find that all your time settings in your computer would be lost, and some softwares may stop working which are based on your computer time.
bios-password-change.png

You need to shut down your PC again and now add back the battery which will enable you the time saving feature and also reset your BIOS password.

Feb 22, 2009 | Sony VAIO VGN-AR230G Notebook

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