Sony supports Windows® XP Service Pack 1/Service Pack 1 a for models that are pre-installed with Windows® XP Home or Professional Edition.
If the VAIO computer has been upgraded to Windows® XP and installed the Windows® XP Service Pack 1/Service Pack 1a, please visit the Microsoft® website for further support. Sony does not provide any support in this case.
Improvement for installing Windows ® XP Service Pack 1/ Service Pack 1 a
Please visit the Microsoft® Support page (http://support.microsoft.com/default.aspx?scid=kb;EN-US;324722) for the list of items that can be improved by installing Windows® XP Service Pack 1/Service Pack 1a.
To find out the differences between Windows® XP SP1 and Windows® XP SP1a, please visit http://support.microsoft.com/default.aspx?scid=kb;EN-US;813926.
Precautions when installing Windows ® XP Service Pack 1/ Service Pack 1 a
Users who have installed Windows® XP Service Pack 1/Service Pack 1a on the following models will encounter these symptoms:
- Computer is unable to produce any sound
- Some applications, such as Smart Capture Premium may stop responding
Affected VAIO Computer Models (as of 20th February 2003):
To resolve the symptoms, please visit the VAIO Notebook downloads page for the Audio Driver Upgrade download.
Alternatively, users can install Yamaha Corporation Media Driver Version 126.96.36.19952 from Windows Update.
For some VAIO computers, the BIOS firmware must be upgraded to resolve some symptoms when using USB 2.0 PC card.
For the detailed information of Universal Serial Bus 2.0 Support in Windows XP, please see this article : http://support.microsoft.com/default.aspx?scid=kb;en-us;Q312370
When IEEE1394 devices (such as Optical drive, Hard disk drive or Camera) cannot be recognized when the computer is resumed from any of the power saving mode (Stand by or Hibernate) sometimes
Please remove and disconnect these devices before shifting the computer to any of the power saving mode. If the symptoms re-occur, disconnect and reconnect the devices again.
For the detailed information of IEEE 1394 Storage Device Detection Does Not Work When the System Resumes from Standby or Hibernation, please see this article :
When using multiple USB devices (such as Optical drive, Hard disk drive, Camera, Speakers, and Microphone) on VAIO computer at the same time, computer may restart automatically or error occurs
After installing the Windows® XP Service Park 1/Service Pack 1a, using multiple USB devices that handle transfer large amount of data simultaneously, will sometimes cause the computer to restart abnormally.
In order to produce high quality images, the camera on PCG-C1 series is designed to perform on a certain range of bandwidth for data transferring through USB channel. If this symptom occurs when connecting a USB device to the computer, please do not use the camera or refrain from connecting the USB device while the camera is in use.
For the detailed information of Stop Error 0x7E Occurs in Usbhub.sys If USB Bandwidth Consumption Exceeds 100 Percent, please see this article :