I have sony vaio laptop, model no.vpceb12en.I have remove to bios pssword. Please tell me solution for this.

Access BIOS: http://www.windowspasswordsrecovery.com/win8/set-bios-in-windows-8.html:

Windows 8 Password Recovery: http://pcsupport.about.com/od/windows-8/f/forgot-password-windows-8.htm
http://www.windowspasswordsrecovery.com/win8/set-bios-in-windows-8.html:

Read the manual. it will tell you the process.

Get online and got to www.google.com In the google search box type: "Sony Support" (without the quotes and put your manufacturer name before Support). Look for downloads and drivers. Enter your model number and operating system when requested. Look for manuals and search them for Bios Password or Bios Password Reset.

First go to your bios and set your CD to first boot and your HARD DRIVE as second boot. Then put windows CD and restart your machine. Press anykey to boot from Windows CD, follow instructions to Install windows not Repair

it the BIOS can support with OS
u can reinsatall with new OS

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.

May I get the model # to help you more. Or you can go to the link below to get drivers. Just type in the model #.

http://esupport.sony.com/US/perl/select-system.pl?DIRECTOR=DRIVER

hardware or software changes problem in sony vaio VPCEB12EN

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.

to restart in BIOS in sony vaio press F2 or F3