Summary (2810 total)
Processor (issues only)
3.06C2D: 647
3.33C2D: 57
2.66i5: 523
2.8i7: 963
Screen Size (issues only)
21.5": 206
27": 1984
Graphics Card (issues only)
9400M: 96
4670: 564
4850: 1530
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: 210
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: 18
10-11: 21
10-12: 15
10-13: 13
10-14: 23
10-15: 10
10-16: 14
10-17: 10
10-18: 8
10-19: 6
10-20: 2
10-21: 5
10-22: 3
10-23: 2
10-24: 6
10-25: 4
10-27: 3
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: 1
10-52: 1
| Condition | iMac Specs | Source | Comments |
| Flickering display | 27" 3.06 Core2Duo 1TB | Postfrosch | |
| Flickering display | 27" 2.8 Quad i7 1TB | thxdude | In my case, the machine is fine for 5-6 days and then it will start doing it randomly. A reboot seems to 'cure' it for another 5-6 days. Here's hoping its a firmware/software update fix! |
| Flickering display | 27" 2.8 Quad i7 1TB | Sonics99 | New imac i7 quad core, had it for a few days and then did the flicker thing a few times. It then went away for about a week and now is back again and worse. I used to work for Apple doing repairs (a long time back before they opened the apple store... Read More |
| Flickering display | 27" 2.8 Quad i7 1TB | igor.s28 | After letting the computer on overnight (for downloading purposes), (I turned the display off but the computer itself was on whole night.. Next morning after like 4 hrs, I start using it, and the horizontal screen flicker appears |
| Flickering display | 27" 3.06 Core2Duo 1TB | Ellipsystematic | I had this problem from day 1 |
| Flickering display | 27" 3.06 Core2Duo 1TB | fisi2000 | Bought a new 27" iMac and the display began to flicker around an became black many times for about 2 seconds. Called the customer support and now get a new one. |
| Flickering display | 27" 2.8 Quad i7 2TB | ||
| Flickering display | 27" 3.06 Core2Duo 1TB | gingeralbert | disappointed with the typical money grabbing apple |
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 2.66 Quad i5 1TB | ||
| Flickering display | 27" 2.8 Quad i7 1TB | yellow tinge | |
| Flickering display | 27" 2.66 Quad i5 1TB | simon norris | I noticed my screen flickering and momentarily going black after 3 days... not a good sign considering the expense of it |
| Flickering display | 27" 2.66 Quad i5 1TB | ||
| Flickering display | 27" 2.66 Quad i5 1TB | I'm beginning to hate apple... | |
| Flickering display | 27" 2.8 Quad i7 2TB | Jon Abbott | I just played X-Plane 9.40RC16 for a few minutes on max settings (nearly maxing out the 512MB of video memory), and it started flickering. I immediately closed X-Plane and the flickering/blacking out continued. Rebooting fixed it (so far). |
| Flickering display | 27" 2.8 Quad i7 1TB | 1st replacement unit | |
| Flickering display | 27" 2.66 Quad i5 1TB | Pascal_28 | Shipped from a French store by Chronopost |
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 2.66 Quad i5 1TB | ||
| Flickering display | 27" 2.8 Quad i7 1TB | TUS Bob | it is very intermittent and (happily) infrequent. It is also impossible to reproduce "on demand." |
| Flickering display | 27" 2.8 Quad i7 1TB | Brian_1338 | I started getting screen flickering / tearing / blackouts on my i7 iMac a few days after receiving it. (A week 46 model.) It also had the yellowish tint on the bottom third of the screen. I couldn't figure out a way to consistently reproduce it. It... Read More |
| Flickering display | 27" 2.8 Quad i7 1TB | dangercat xxl | First Day flickering and shutoff. Following Days there were no obviously problem. Today flickering and shoutoff starting again. |
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 2.8 Quad i7 1TB | Oriesko | Display flickerin appears just few times on 3rd day and not again since! No blackouts, just white horizontal stripes once a while. Hearable HDD, Mouse battery fast drain. |
| Flickering display | 27" 2.8 Quad i7 2TB | ||
| Flickering display | 27" 2.66 Quad i5 1TB | I could repeat the freeze up's. Mostly would freeze under heavier loads. ie open a couple of programs while watching a movie at the same time. Freeze up | |
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 3.06 Core2Duo 1TB | ||
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 2.8 Quad i7 1TB | ||
| Flickering display | 27" 3.06 Core2Duo 1TB | ian@yorku.ca | |
| Flickering display | 27" 3.06 Core2Duo 1TB | ||
| Flickering display | 27" 3.33 Core2Duo 2TB | Flickering begins several hours after rebooting, and during moderate CPU activity. | |
| Flickering display | 27" 3.06 Core2Duo 1TB | flickering occasionally sometimes even causes screen to display the dock on the upper 3/4ths of the screen | |
| Flickering display | 27" 2.8 Quad i7 1TB | Glenn Farrell | About 15 minutes after startup screen began to flicker and progressed to brief blackouts. |
| Flickering display | 27" 3.06 Core2Duo 1TB | lievengekiere@me.com | |
| Flickering display | 27" 2.8 Quad i7 1TB | thxdude | reboot fixes issue for 5-6 days and then its present. A reboot starts a new issue free period of 5-6 days. |
| Flickering display | 27" 3.06 Core2Duo 1TB | ||
| Flickering display | 27" 2.66 Quad i5 1TB | My screen not only flickers intermittently, and goes black briefly (as if it's shutting off and coming back on), it sometimes splits horizontally, with the lower dock and the lower border shifted up to the middle of the display and the top of the display... Read More | |
| Flickering display | 27" 2.66 Quad i5 1TB | sj_dehaan | fine for the first two weeks of use. Then flickered. Went black. Horizontal striping on the bottom of display. Bottom 1/3 of screen appears on 1/3 of top and then goes black and resets. |
| Flickering display | 27" 2.8 Quad i7 1TB | Display flickers off and on | |
| Flickering display | 27" 3.06 Core2Duo 1TB | http://adamac.org/27-imac-screen-flashing | |
| Flickering display | 27" 2.8 Quad i7 1TB | bobsy491 | Fine on day 1. Flickered after waking from sleep on day 2. |
| Flickering display | 27" 2.66 Quad i5 1TB | screen displaced so that doc was near the top and things wrapped | |
| Flickering display | 27" 3.06 Core2Duo 1TB | PISSED OFF screen going blank | |
| Flickering display | 27" 2.8 Quad i7 1TB | rick@saalhouse.com | flickering started after one week |
| Flickering display | 27" 2.66 Quad i5 1TB | bobsy491 | Screen goes black for a second or so. |
| Flickering display | 27" 2.66 Quad i5 1TB | ||
| Flickering display | 27" 3.06 Core2Duo 1TB | fmauriet@gmail.com | |
| Flickering display | 27" 2.66 Quad i5 1TB | flickering stopped after a simple restart fingers crossed but store have offered to exchange |