Viewing data for Flickering after Firmware Update

Comments: flickering/tearing has been occuring occasionally (once a day maybe, but not as seriously as some of the ones I've seen online), soi downloaded and installed the firmware update, but i'm still experiencing the same problem. What's the next step?

Specs: 27" 3.06 Core2Duo 1TB

Source of comments: gjdhks999

Serial Number: W8949

Date Ordered:

Date Shipped: 2009-12-16

Date Arrived: 2009-12-23

Destination: USA

Courier: Fedex