Viewing data for Flickering after Firmware Update

Total: 307

3.06C2D: 79
2.66i5: 84
2.8i7: 139


Screen Size
21.5": 1
27": 306


Hard Drive Size
1TB": 269
2TB": 38

Batch (Week Built)

09-39: 1
09-41: 1
09-42: 6
09-43: 6
09-45: 9
09-46: 16
09-47: 27
09-48: 20
09-49: 27
09-50: 59
09-51: 36
09-52: 44
09-53: 24
10-01: 19
10-02: 3
10-03: 1
10-04: 2
10-08: 1
10-15: 1
10-17: 1
10-21: 1
10-25: 1
10-28: 1

Fedex: 91
UPS: 68
DHL: 43
Store: 105

Australia: 11
Austria: 6
Belgium: 9
Canada: 22
Denmark: 9
Finland: 4
France: 14
Germany: 26
Hong Kong: 3
Italy: 11
Japan: 2
Korea: 1
Luxembourg: 1
Mexico: 4
Netherlands: 11
New Zealand: 2
Norway: 4
Poland: 1
Portugal: 2
Spain: 5
Swedan: 7
Switzerland: 4
Taiwan: 1
Thailand: 1
UK: 23
USA: 123

Source Specs Comments
27" 2.8 Quad i7 1TB Computer restarted itself while using safari. issue occurred only twice.
27" 3.06 Core2Duo 1TB Screen blacks out
27" 2.66 Quad i5 1TB Brief period of flickering, updated prior to use, shutdown for night, no flashing since.
arijr 27" 3.06 Core2Duo 1TB Flickering started after week of use (10-12hrs a day); normal usage, Xcode, Interface Builder, Firefox etc. No video encoding or other CPU-intense. Temps high, case very hot. After Dec-21st video firmware update also black-outs started. Black-outs.
chounws 27" 2.66 Quad i5 1TB very rare but it happen
27" 3.06 Core2Duo 1TB Dock shifting to the upper part of the screen (occasionaly)
27" 2.8 Quad i7 2TB Screen flickering and going black seems to be heath related, always occurs when GPU zink is over 58 degress C. Black screen for a second occurs randomly.
27" 2.66 Quad i5 1TB Firmware update has not fixed the problem. I can still make it disappear by putting mac to sleep and waking it up again.
27" 2.8 Quad i7 1TB Screen flickered, firmware update didn't resolve flickering issue.
sj_dehaan 27" 2.66 Quad i5 1TB Second flickering imac another 2 with damaged screens. So I've had 4 crappy 27" imacs and I'm really mad. 4th imac still flickers after firmware update and restarting.
khudsonfilms 27" 2.8 Quad i7 2TB Flickering before and after update... wonderful computer other than that. shipped back for replacement coming on jan 12th
27" 3.33 Core2Duo 1TB Lower third of screen shifts to upper third
PBO 27" 2.8 Quad i7 1TB Flickering display appears after 3 days used
27" 2.8 Quad i7 1TB display flickering and blackouts dead pixels iSight camera
Chris Miles 27" 2.8 Quad i7 1TB Still flickers after firmware update. Only ever flickers after waking from sleep, and that is infrequent (once every week or two).
27" 3.06 Core2Duo 1TB The screen will split horizontally with the bottom being placed on the top and the top on the bottom.
27" 2.8 Quad i7 2TB Started flickering last night, reset PRAM and flickering stopped, but could be temporary
27" 3.06 Core2Duo 1TB Occurs every other time I use the computer. Still trying to see a pattern with applications running - wondered if Office for Windows might be a part of it. Have another appt with Genius Bar tommorrow am. screen goes blank, dock rolls up to top of... Read More
AlMartin 27" 2.66 Quad i5 1TB This is my 2nd 27in i5 iMac; the first one worked fine for about a day and then suddenly half of the screen went dim - looked like the LEDs got sluggish. After leaving my replacement on for about 2 years (sleeping on and off) I thought I noticed some... Read More
27" 2.66 Quad i5 1TB iMac was fine for almost a month until the screen suddenly started flickering and turning on and off. Turning the display off for a few seconds fixes the issue temporarily. I had already updated to the new firmware before the issue started.
27" 3.06 Core2Duo 1TB Flickering & blackouts very sporadic; sometimes 2-3 days with none, then it returns & goes crazy, then stops again after sleep mode. Screen blacks out for a second and then comes back
27" 2.8 Quad i7 1TB How does Apple put out a graphics firmware upate that doesn't fix all display flickering issues. It seems like patch, check, patch, check which is no way to run a business.
eidehli 27" 2.8 Quad i7 1TB Flicker and black screen back again today (06.01.2010)! Reported as perfect 3 days ago: Started up 15.12, perfect first 3 days, then frequent flickering and black screens until firmware update 22.12, perfect since then
27" 3.06 Core2Duo 1TB Flickering started, installed firmware update. After firmware was installed everthing appeared to be okay for the 1st 2 hours. Then decided to shutdown computer to let cool down. Waited 2 hours. Upon restarting, flickering started 10 minutes into... Read More
27" 2.8 Quad i7 1TB This is the replacement machine, and in addition to dead pixels is flickering far worse than the first one!
27" 2.8 Quad i7 1TB also has large speck of dust under glass on right side. strong overall pinkish tint not removed by calibration, some yellowing in center as well.
melonee 27" 3.06 Core2Duo 1TB distorted display (horizontal split scree)
27" 2.66 Quad i5 1TB Intermittent display flickering even after Firmware Update
27" 3.06 Core2Duo 1TB Beginning to wonder about Apple products. I've had an iPhone brick on me and now this.
27" 2.8 Quad i7 1TB prompt replacement by Apple. Flickering issue
mcgregol 27" 2.8 Quad i7 1TB Flickering display has just started after using the computer for a day.