Summary (2819 total)
Processor (issues only)
3.06C2D: 652
3.33C2D: 59
2.66i5: 524
2.8i7: 964
Screen Size (issues only)
21.5": 209
27": 1990
Graphics Card (issues only)
9400M: 99
4670: 568
4850: 1532
Batch (Week Built) (issues only)
09-39: 10
09-40: 8
09-41: 8
09-42: 30
09-43: 60
09-44: 42
09-45: 112
09-46: 211
09-47: 239
09-48: 198
09-49: 141
09-50: 284
09-51: 102
09-52: 128
09-53: 72
10-01: 75
10-02: 32
10-03: 27
10-04: 47
10-05: 38
10-06: 28
10-07: 34
10-08: 41
10-09: 31
10-10: 19
10-11: 21
10-12: 15
10-13: 15
10-14: 23
10-15: 10
10-16: 15
10-17: 10
10-18: 8
10-19: 6
10-20: 2
10-21: 5
10-22: 3
10-23: 3
10-24: 6
10-25: 5
10-27: 4
10-28: 4
10-29: 2
10-31: 2
10-32: 1
10-33: 2
10-35: 2
10-37: 1
10-38: 1
10-39: 1
10-40: 3
10-41: 1
10-42: 2
10-44: 2
10-45: 2
10-47: 2
10-48: 2
10-52: 1
| Condition | iMac Specs | Source | Comments |
| 27" 3.06 Core2Duo 500GB | |||
| Flickering display | 27" 2.8 Quad i7 1TB | After 1-2 hours of use, screen flickered for few time, quick screen blackout occured, worked fine for few more hours and happened again. | |
| Flickering display | 27" 2.8 Quad i7 1TB | Immediately after using my brand new iMac for about ten minutes I began noticing a white bar flashing horizontally at random. The problem progressed into the entire screen flashing black. | |
| Flickering display | 27" 3.06 Core2Duo 1TB | Jan Sampermans | Screen distortion/flicker somewhere random in the screen (feels like it is more in the lower part) that looks like a horizontal bar of about 2-3inches just popping in and out of the screen. |
| Flickering display | 27" 3.06 Core2Duo 1TB | Screen has flickering and going black. | |
| Flickering display | 27" 2.8 Quad i7 1TB | 06awd | |
| Flickering display | 27" 2.66 Quad i5 1TB | Thrice06 | |
| Flickering display | 27" 3.33 Core2Duo 1TB | robotkiller | I could work for hours on the computer and then suddenly it would flicker randomly with a band of horizontal static bars about 3 inches thick momentarily or, alternatively, it would black out for a fraction of a second (happened every 5-10 mins). |
| Flickering display | 27" 3.06 Core2Duo 1TB | capricia | Since this morning my display of my 27" iMac show the menubar in the middle of the display and above there are a lot of vertical lines in multi colors. Now I think this one is not a problem with the driver, I think there is a problem with the graphic chi |
| Flickering display | 27" 3.06 Core2Duo 1TB | jmczaja | After waking the iMac from sleep I began to see this flickering problem. The machine was not hot whatsoever so I dont think the issue is heat related. |
| Flickering display | 27" 3.06 Core2Duo 1TB | newanalog | |
| Flickering display | 27" 3.06 Core2Duo 1TB | artka | I turned it on and the flickering and menu bar on the top portion of the screen is happening. It does this for roughly five minutes then it goes to normal? |
| Flickering display | 27" 3.06 Core2Duo 1TB | pschaf | Seems to be getting worse. Quick flicker of bar at the lower half of the screen. No real way to reproduce. Have tried restarting and also sleep. |
| Flickering display | 27" 3.06 Core2Duo 1TB | pschaf | Last night i watched a 30 min programme on BBC iPlayer and the 2-3 inch white lines kept popping up every few seconds horizontally across the screen. The screen also went black momenterally on 6 occasions. |
| Flickering display | 27" 3.06 Core2Duo 1TB | billybuds | momentary black screen and the flickering. Seems to be very sporadic, won't happen for a few hours and then seems to happen every 20 seconds or so. Also the computer sometimes won't wake from sleep |
| Flickering display | 27" 3.06 Core2Duo 1TB | Gable31 | Screen has flickering and going black. Have called Apple tech support to begin replacement process. Makes me question the life span of the LED screen technology. |
| Flickering display | 27" 3.06 Core2Duo 1TB | MarkyJ | This morning it started to get worse and I also got he menu bar 2/3 down the screen, with the vertical 'barcode' look above it. The mouse moved off the bottom of the screen and re-entered on the top. |
| Flickering display | 27" 3.06 Core2Duo 1TB | Jorel | (flickers, blackouts, line , displaced screen, ...) and the slow wifi issue |
| Flickering display | 27" 3.06 Core2Duo 1TB | JJBeans | |
| Flickering display | 27" 3.06 Core2Duo 1TB | ichbinglitched | mine flickered on first boot (on the "select your language" screen) a few days ago and started spazzing out completely |
| Flickering display | 27" 3.33 Core2Duo 1TB | mactoubib | It is easily reproducible, by just activating the screen saver arabesque or activating TimeMachine. |
| Flickering display | 27" 3.06 Core2Duo 1TB | jonashh_dk | |
| Flickering display | 27" 3.06 Core2Duo 1TB | QuickbookMDD | this problem occurred nonstop upon first boot up. I had it plugged in a power strip with a 2 macbook pro's as well. I then put the 27" in a new power strip on its own with its own outlet with nothing else plugged into it and this problem hasn't reoccur |
| Flickering display | 27" 3.06 Core2Duo 1TB | frodo20 | It happens mostly when I switch on after the display has been asleep for a while. |
| Flickering display | 27" 3.06 Core2Duo 1TB | stevo77 | I then left it switched on over night and when I woke it from sleep this morning the screen started jumping up and down and displayed horizontal lines at the top and bottom. |
| Flickering display | 27" 3.06 Core2Duo 1TB | vegavnil | |
| Flickering display | 27" 3.06 Core2Duo 1TB | McLaurin | My screen (iMac 27") is fine UNTIL I go into a more graphics intense process. If I go into PhotoBooth, turn on some effects .. then BAM, there go the flickers. Flickers (plus screen going black intermittently) continue until restart, even if I quit |
| Flickering display | 27" 3.06 Core2Duo 1TB | Goldfrog | The first thing I noticed was a single white line going from the top to the bottom of the screen as I shut down... noticeable on the blue screen. And it went black a couple of times. |
| Flickering display | 27" 3.06 Core2Duo 1TB | Peter Nuding | Mine was fine for the first week now, but tonight it suddenly started doing this, and quite often so, i get about 3 to 5 of the pixel-garbage flickers per minute and the blackout every 5-10 minutes |
| Flickering display | 27" 3.06 Core2Duo 1TB | rmp09 | I have the same flickering problem the moment I turned on the computer for the first time. The screen goes black for a microsecond at times as well. It has been intermittent. |
| Flickering display | 27" 3.06 Core2Duo 1TB | AppleUserSince | |
| Flickering display | 27" 3.33 Core2Duo 1TB | Michael Hanscom | occasional 'flickers' of static bars across the screen, sometimes the screen blacks out entirely for a half-second or so, and twice I've had the desktop 'shift/wrap' downwards, showing the menu bar about three inches below the top of the physical scr |
| Flickering display | 27" 3.06 Core2Duo 1TB | nickferrett | |
| Flickering display | 27" 3.06 Core2Duo 1TB | gmaxflite | |
| Flickering display | 27" 3.06 Core2Duo 1TB | AstonMartinDB7 | I get the same symptoms rebuilt the OS several times following a driver problem for my printer and thought the flickering had gone but it is back with the lines and black screens! |
| Flickering display | 27" 3.06 Core2Duo 1TB | Lauting | |
| Flickering display | 27" 3.06 Core2Duo 1TB | gustaven2000 | Sometimes the screen completely blacks out for 2-3 seconds on intervals of 5-6 secs and the machine becomes useless. |
| Flickering display | 27" 3.06 Core2Duo 1TB | lordrobert | after about 35min I got the first flickering. And it keeps returning irregularly. |
| Flickering display | 21.5" 3.06 Core2Duo 1TB | jogness | I have a new 21.5" iMac (ATI Radeon HD 4670) and am experiencing the exact same flickering issue |
| Flickering display | 27" 3.06 Core2Duo 1TB | opeddler | started about a week after i got mine |
| Flickering display | 27" 3.06 Core2Duo 1TB | StileselitS | I got my new 27' and problems started immediately - screen flickering. |
| Flickering display | 27" 3.06 Core2Duo 1TB | mknez | |
| Flickering display | 27" 3.06 Core2Duo 1TB | kawo | After replacing the ATI graphics drivers the flickering is definitely gone on my machine. |
| Flickering display | 27" 3.06 Core2Duo 1TB | fredpontes | I got my Imac 27 1 week ago and the problems started 2 days ago. I had the white lines and some blackouts. |
| Flickering display | 27" 3.06 Core2Duo 1TB | bfreebody | The 2-3 inches of static appear at random intervals on the screen, I've also experienced the screen going completely blank from time to time. |
| Flickering display | 27" 3.06 Core2Duo 1TB | Brian Pratt | I installed the 10.6.2 update last night and I'm seeing the horizontal bar flickering this morning. So the 10.6.2 update didn't fix everything, at least. |
| Flickering display | 27" 3.06 Core2Duo 1TB | Elroyofderovers | |
| Flickering display | 27" 3.06 Core2Duo 1TB | Soaringoak | dentical issue here... 2-3" bands flicker horizontally across screen randomly... happening less often is the complete blacking out, but it happens. |
| Flickering display | 27" 3.06 Core2Duo 1TB | dicktwi | I restarted once and I haven't seen the problem again. |
| Flickering display | 27" 3.06 Core2Duo 1TB | SirR-G | The first time it occurred was after running in Windows for a bit--the computer had gotten quite hot so I thought it may be a thermal issue. I noticed it almost immediately after rebooting into OS X at the gray Apple logo screen. |