It is required to get the BIOS and the Video Driver Updated in the Computer to resolve the issue.
The BIOS Update and Video Driver Update are available at Sony Support Site for download.You can view and download the BIOS Update from this link
Before installing the BIOS update, be sure the computer is running from AC
power. If the installation of the BIOS is interrupted by power loss, the
computer may not operate correctly or at all.
During the installation of this update:
- Do not turn the computer off.
- Do not allow the computer to enter Standby or Hibernation states.
- Do not start other programs.
- Do not connect any peripherals.
Download the AIBSYS-00772903-US.EXE file to a temporary or download directory.
Go to the directory where the file was downloaded and double-click the "AIBSYS-00772903-US.EXE" file to begin the installation.
At the "BIOS Update Utility for Microsoft® Windows® XP" box, click "Next".
At the "License Agreement" dialog, read the agreement, then, if you agree, click "I Agree" to continue with the installation.
Please wait while the utility extracts the necessary files for the update.
At the "VAIO BIOS Update Tool 1.0.01.10181" box, click "Update".
At the "WBFLASH" box, click "OK".
Please wait while the utility updates the BIOS.
At the "WBFLASH" BIOS Update successfully completed box , click "OK" to shutdown the computer.
After the computer shuts down, wait for a few seconds, and then power on the computer.
After the computer restarts, the installation of the BIOS Update is complete.
After installing the BIOS Update, it is required to Update the Video Driver to resolve the issue.You can view and download the Video Driver Update from this link
Download the ATDVID-00610812-US.EXE file to a temporary or download directory (please note this directory for reference).
Go to the directory where the file was downloaded and double-click the ATDVID-00610812-US.EXE file to begin the installation.
Then, please follow the onscreen instructions to complete the installation.
After installing the Video Driver Update, please restart the Computer for the settings to take the effect.
Performing the above steps should fix the issue.
If the issue is not resolved, please check if the Vertical lines and discoloration are visible while accessing the BIOS Setup Utility.
To access the BIOS Window, please restart the Computer, press and hold the F2 Key to access the BIOS Setup Utility.
If the lines and discoloration are available on the BIOS Setup Utility window, the issue may be related to the LCD Screen of the Computer and you will need to get the Computer serviced to fix it.
In that case, you can contact Sony Service Center
get the Computer serviced and resolve the issue.