Viewing data for flickering,firmware,other

Comments: Sreen flicker affter 2 or 3 hours working, 5 or 6 hours works I get a shifted display. Everything goes back to normal after imac sleep. shifted display

Specs: 27" 3.06 Core2Duo 1TB

Source of comments:

Serial Number: W8947

Date Ordered: 2010-01-11

Date Shipped: 2010-01-11

Date Arrived: 2010-01-11

Destination: Portugal

Courier: Store