http://www.pcmag.com/article2/0,2704,1859526,00.asp
You shouldn't let them get away with this. Attach a good resolution photograph or two of the problem in the LCD, with the email to Sony.
VAIO Support Agent:
http://esupport.sony.com/US/perl/select-system.pl?PRODTYPE=1,24,26,66,9,70,5,72&template=EN
Sony Electronics Inc.
Web site: http://www.sony.com/pcsupport
Telephone: 888-4-SONY-PC (888-476-6972)
Hours: 7 days a week, 24 hours a day
VAIO Customer Relations:
VAIO® Computers 1-888-476-6972
International (Calling from outside the US or Canada): 1-239-768-7669