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I updated my BIOS and would like to put my Sony VGCRB44G back to original sony BIOS...Can it be done?

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It's not easy to downgrade a bios, especially a Sony one.
Why did you want to downgrade?

Posted on Nov 14, 2010


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My laptop is not starting or boot

BIOS updates have gotten much less risky over time, but things can still go wrong. You need to get your system model number and check the SONY website to ensure that you did in fact install the correct BIOS. This is the most common problem when the BIOS update seems to work, but reboot fails. Some BIOS updates are restricted to certain countries and/or certain sub-models. You may find a procedure that will let you reload the original BIOS and get control of the machine back. If not, you may have what we refer to a "bricked" machine. You can probably send it back for repairs, but they are usually too costly to consider. It may be too late to say this, but I learned a long time ago a good set of rules about BIOS updates:

  1. BIOS updates will not fix hardware problems that pop up - if the old BIOS was working before, the new version won't make things right.
  2. BIOS updates should only be considered if you are upgrading hardware (and in some cases software) and find that the original BIOS does not support it. Ensure that the new one DOES support it before updating.
  3. The golden rule of BIOS updating is.....if the machine ain't broke....don't fix it. A perfectly functional machine will not function more perfectly with different code. The risk isn't worth the some unknown potential benefit.

Mar 06, 2015 | Sony VAIO Computers & Internet

1 Answer

Failed Bios Flash on Sony Vaio Laptop VGN-NR180E Bought a new battery (not from Sony) and it came with a Bios update disk which according to the instructions was necesary to install for the battery to be...

Hi Greg,

This issue can still be fixed. However, the only way to fix this is to bring the machine to Sony Vaio's Authorized Service Center. Reflashing the system's BIOS can only be done inside Windows. But because of the state of your machine reflash is not possible. People from the Service Center need to have physical access to your machine so they can reflash your BIOS and put it back to it's original state. They do have a special tool needed to do the whole process. Kindly call Sony's phone support to check out the nearest available service center in your area. You may contact them at:

Priority Service: 239-768-7669 Toll Free Service: 1-888-476-6972

They are open 24/7.

Hope this helps.

Thank you for using FixYa.

Oct 18, 2011 | Computers & Internet

1 Answer

Forgot bios password sony vaio model PCG-3A4L

Most motherboards are made with a reset switch. It is a line of three pins, with a jumper over two of them. To reset the bios (completely... everything back to factory settings) you move the jumper onto the other end of this line. Then boot the system up, turn it off again, put the jumper back into its original position and there will be no bios password.

Mar 13, 2011 | Sony VAIO PCG-3A4L Laptop Charger...

1 Answer

I have just purchased a new sony battery. my model no. is sony vaio VGN CR510E/L. The laptop doesnt recognize the new battery BPS9 and it says update the bios. i just downloaded the sofware bps9.exe but...

If the battery is not a Sony battery but an equivalent, the Sony may not recognize it as there is not the specified "bit" of information built in to it. It maybe just totally flat in which case it will take a number of hours on charge to get it recognized.
The BIOS upgrade must be done with a good battery fitted and the AC Adapter working otherwise if the power fails whilst loading, you cannot recover the BIOS again.

Dec 16, 2010 | Sony VAIO VGN-CR220E/P Notebook

1 Answer

My Sony Vaio FZ4000 does not turn on after a bad bios update


Unfortunately, if a VAIO is not turning up after a failed BIOS update, the only option is to flash the original BIOS. This is only done at Sony service center.

You need to contact a Sony service center near your area. it get the BIOS flashed.


Dec 16, 2010 | Sony VAIO FX140 Notebook

1 Answer

Not shutdown

i think you do not now how to flash the bios.
first you need the program "wbflash.exe" also you need the xxx.bin file (thad are the bios data) in the program you have to select the xxx.bin file for update the bios if you have done the program screen wil checq the bios and ask for saving old bios if you say yes than thad wil be done after thad you can update the bios with the new one (xxx.bin)if this are done you computer wil restart and the yob are fixed.
NOTE LOOK OUT !!!! if you do not have the right or rong bin file and you update your bios with it the computer wil restat and wil not turn on than you have a bigger problem and it are not reversebile .
only update the bios if you have problems with the computer other wise leave it.

Dec 13, 2009 | Sony VAIO VGN-SZ740N5 PC Notebook

1 Answer

My cdrom is not working. it is not booting from usb drive because there is not a option for booting from usb on bios. please provide me bios update for usb boot.

there is no such thing, if the mfg. didn't put it in originally it cant be put in. if you misflash the bios you won't have a computer.

Jul 25, 2009 | Sony Computers & Internet

2 Answers

Sound drivers

Please download from the link given below all drivers including sound drivers for your laptop :

Jul 16, 2009 | Sony VAIO VGN-CR220E/P Notebook

1 Answer


Start by downloading the latest BIOS update file from SONY here:

Then read the instruction they give and follow them.

Good Luck

Nov 15, 2008 | Sony VAIO FRV25 Notebook

1 Answer

Need bios not just the update,

Find out what make and bios version you have i.e. pheonix labs etc go to the bios website and download the latest version in exe file. here is link with full instructions

hope this helps

Nov 12, 2008 | Sony PCG-TR3A Notebook

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