Viewing data for Flickering display

Total: 755

Processor
3.06C2D: 264
3.33C2D: 22
2.66i5: 156
2.8i7: 313

 

Screen Size
21.5": 18
27": 737

 

Hard Drive Size
500GB": 11
1TB": 666
2TB": 78

Batch (Week Built)

09-39: 6
09-40: 3
09-41: 5
09-42: 15
09-43: 40
09-44: 22
09-45: 63
09-46: 99
09-47: 109
09-48: 82
09-49: 57
09-50: 106
09-51: 37
09-52: 31
09-53: 25
10-01: 25
10-02: 6
10-03: 3
10-04: 3
10-06: 1
10-08: 2
10-13: 1
10-14: 2
10-16: 1
10-17: 1
10-18: 1
10-19: 2
10-23: 1
10-25: 1
10-28: 3
10-33: 1
10-42: 1

Courier
Fedex: 256
UPS: 168
DHL: 99
TNT: 2
Store: 230

Country
Australia: 36
Austria: 7
Belgium: 15
Brazil: 2
Bulgaria: 1
Canada: 45
Denmark: 10
Finland: 9
France: 28
Germany: 64
Greece: 1
Hong Kong: 3
Ireland: 4
Italy: 33
Japan: 2
Korea: 2
Luxembourg: 1
Mexico: 5
Netherlands: 25
New Zealand: 2
Norway: 15
Poland: 2
Portugal: 3
Singapore: 5
Spain: 22
Swedan: 12
Switzerland: 11
Taiwan: 4
Thailand: 1
UK: 77
USA: 308

Source Specs Comments
27" 2.66 Quad i5 1TB Random appearance of 1-2 inch nearly horizontal bars across the screen
alwalker@mac.com 27" 2.8 Quad i7 1TB Worked OK for about 20 minutes, then started flickering every 6.6 seconds. Contacted AppleCare, awaiting replacememnt.
27" 3.06 Core2Duo 1TB Screen flickers and occasionally goes black for a second. Apple tech support took me through a test process; slightly better.
27" 2.8 Quad i7 1TB zapping PRAM done, SMC reset done = NO SIGNIFICANT CHANGE. Hi frequency backlight except in max luminosity. Noisy HDD. Random screen shutdown.
27" 2.8 Quad i7 2TB Fixed Issue by Download of fan control softw and upped GPU fan rate 500 rpm iMac 27" Corei7 ATI4850 periodic momentary screen blackouts some band flicker
27" 2.8 Quad i7 1TB It has only had the flashing issue for a short period of time. I changed the background from the default to a solid color and it stopped after that. It's too early to know if it's completely gone.
27" 3.06 Core2Duo 1TB sometimes the display goes completely black for a few seconds
27" 3.06 Core2Duo 1TB Starting malfunctioning after about 40 minutes of operation. 1st of 2 to fail Momentary black screen every 60 seconds
27" 3.33 Core2Duo 1TB was the second of three replacements which had all the same screen flickering issue dock moves up to top of screen, weird black/white bar across the screen
27" 2.8 Quad i7 1TB MC Shark 5th Vienna Disctrict, Wrong Keyboard, Screen Blackouts
27" 3.06 Core2Duo 2TB Black-outs
27" 2.8 Quad i7 2TB I'am at work. Dont'have serial. There is the flicker + a 1 sec black screen. Every 2-3 minutes. None
27" 2.66 Quad i5 1TB Yellow screen tint (lower right hand corner is the worse), throbbing power supply hum
27" 2.8 Quad i7 1TB WLAN does not work properly
27" 2.8 Quad i7 2TB Flickring happening sporadically, called Apple Support, spent 15 minutes answering questions and they offered repair or replacement. I chose replacement. Also the yellow shading on the display
27" 2.66 Quad i5 1TB After 1-2 days flickering and display dimming just begins: http://www.youtube.com/watch?v=OvYcOLQVbsk
27" 3.06 Core2Duo 1TB none
27" 3.06 Core2Duo 1TB screen would flicker jump off alignment. 2nd time with the issue Noisy Hard Drive as well
27" 2.8 Quad i7 1TB 2 pixel dead
27" 2.66 Quad i5 1TB Shifted bottom screen
27" 2.8 Quad i7 1TB Refounded.
27" 2.8 Quad i7 1TB Performed fine for 1.5 weeks, then began to see intermittent screen flickering. A similar intermittent "crack" also heard occasionally over the speakers when no music playing.
27" 3.06 Core2Duo 1TB buying at FNAC store/Genoa (Italy) - screen flickering for three time from date of buying, no definitive solution with PRAM reset
27" 2.66 Quad i5 1TB Used the iMac for two days, encountered the issues twice (blackouts). Putting the system in standby resolves the issue. However this is just a workaround, i'm gonna get it replaced ASAP. Apart from this issue the iMac works awesome.
27" 3.06 Core2Duo 1TB I had a flickering display, when new, not as bad as the one used as an example.
27" 3.06 Core2Duo 1TB Used 4 days and a few times of flickering screen... maybe blackout but I didn't aware... from the brown box label it was late Nov slot... seems better than other cases...
27" 3.06 Core2Duo 1TB Yelow Screen
27" 2.66 Quad i5 1TB this is second unit that failed after replacement of first unit
27" 3.06 Core2Duo 1TB Will try to get repaired over christmas Dead pixels
tomasu@arrakis.es 27" 2.8 Quad i7 1TB 5 min after booting screen was slipping downwards, happend a few more times since that
Lauro Bravar 27" 3.06 Core2Duo 1TB Screen flickering, not heat related. Happens when viewing web pages
27" 2.8 Quad i7 1TB first day ==> flickering display