Share your experience!
how i can update bios my laptop sonyvaio SVF1521B2W
Hi brave131974,
Visit the support page for your model to check for any available updates for your current Operating System.
http://www.sony.co.uk/support/en/content/cnt-dwnl/SVF1521B2E/list
Check that SVF1521B2E is the correct model name as recorded in Vaio Control Center > System Information.
Rich