No sound is produced from the VAIO computer after upgrading to Windows Vista SP1. Symptom persists even after the audio driver on the computer is re-installed.
Please install the upgrade programs to resolve this symptom.
For CR3 Series
BIOS Upgrade Program Version R2100Q0
For CR2 Series
BIOS Upgrade Program Version R1120Q0
Register your product
Register your product information to enjoy after sales service
Terms & Condition
Product warranty and service Information
Repair Service
Online onsite service booking, Charging scheme, Repair status checking
Supplied Accessory Enquiry
Order supplied accessory
Contact Us
Hotline and service centre information
Support by Sony (Mobile App)
Never miss an update again! Find information and receive instant notifications about your product
