Viewing data for Flickering display

Total: 756

3.06C2D: 265
3.33C2D: 22
2.66i5: 156
2.8i7: 313


Screen Size
21.5": 18
27": 738


Hard Drive Size
500GB": 12
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: 2
10-17: 1
10-18: 1
10-19: 2
10-23: 1
10-25: 1
10-28: 3
10-33: 1
10-42: 1

Fedex: 257
UPS: 168
DHL: 99
TNT: 2
Store: 230

Australia: 36
Austria: 7
Belgium: 15
Brazil: 2
Bulgaria: 1
Canada: 46
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 flickering stopped after a simple restart fingers crossed but store have offered to exchange 21.5" 3.33 Core2Duo 500GB From 0 to 50% brightness only. Not >50%
27" 2.66 Quad i5 1TB black out
27" 2.8 Quad i7 1TB 2 dead pixels
27" 2.8 Quad i7 2TB waiting for a replacement, apple care clearly did not understand consumer law. Had to speak to three different departments to get a replacement. I Wouls ask anyone who is getting a replacement from Apple Onlines to ask for an Adavance Replacement....... Read More
27" 3.06 Core2Duo 1TB Flickering fewtimes a day
27" 3.06 Core2Duo 1TB this is my first replacement.
luiscmarques 27" 2.8 Quad i7 1TB also had 8gb ram none
cjm42 27" 2.8 Quad i7 2TB Screen goes black occasionally 27" 2.8 Quad i7 2TB My occasional flickering and periodic blackouts iMac 27-inch i7 is from the 945 batch. I placed my order online the day the i7 was announced so I presume it is one of the earliest builds.
27" 3.06 Core2Duo 1TB Some occasional flickering. Temperature or CPU/GPU usage doesn't make any difference. I also just noticed that lower right corner of the display is slightly yellowish. Yellow screen
27" 2.66 Quad i5 1TB flickered, then shifted and my dock was up in the top 1/3 of the screen
27" 2.8 Quad i7 1TB happened once so far
27" 3.06 Core2Duo 1TB Black outs, horizontal video tearing in mirrored mode when external monitor attached
justgotamac 27" 2.8 Quad i7 2TB Well so much for that. Woke up today and my replacement iMac is now flickering and blacking out. At this point, I really don't know if its worth giving Apple another chance to send me a working product. Really disappointing and very inconvenient as every... Read More
sooners1 27" 2.8 Quad i7 2TB After spending some time setting up minimal applications, attempted to "stress" the machine by running Marine Aquarium screen saver. Noticed that I could make the machine display flickering/choppiness after 15 minutes. It was almost exactly on the 15... Read More
Gavin Stephenson 27" 2.8 Quad i7 1TB Thought it was some problem with my household electrics!
Pete Tevonian 27" 2.8 Quad i7 1TB I ordered my 27" i7 before Thanksgiving and it arrived around Dec 3rd. (W8949 batch) First issue I noticed was the dead pixel SMACK in the middle of the screen, accompanied by a fleck or scratch or something on a different layer than the pixel. 1-800... Read More
don1958 27" 2.66 Quad i5 1TB I received my i5 yesterday. I set it up straight out of the box with no migration and no installs. Within one hour of browsing and checking things out it started to flicker. A couple pretty good ones at first and then the screen went black for a second.... Read More
shirltom 27" 3.33 Core2Duo 1TB When I first recvd my 1st IMAC 27, the trainer noticed that the screen was flickering. So I had to wait another 2 days for a replacement. On Nov. 18 I recvd my replacement and everything was fine. Then on Dec. 6 I noticed that my screen was flickering.... Read More
27" 2.8 Quad i7 1TB seems to flicker when doing complex tasks, ie. installing s/w, copying large volumes of data, etc.
Mika 27" 2.66 Quad i5 1TB Flickering after one hour use, noisy Harddrive
Bill Seeley1 27" 2.66 Quad i5 1TB New 27" iMac has horizontal streaks flashing across the screen. They can range from 1/8" wide to a couple of inches. Burned in now for a week and still happening. every few seconds.
bigshoot 27" 2.66 Quad i5 1TB!reply.jspa?messageID=10718829
27" 2.8 Quad i7 1TB Yellow screen
27" 2.8 Quad i7 1TB Mild flickering, may be related to external LaCie hard-drive w/usb cable
Dude_LWood 27" 2.66 Quad i5 1TB Went to the Munich Apple Store today. They got 4 27" on display. Played around with one for a couple of minutes. Right when my dad walked by I saw it flicker. He saw it too, so I have a witness After that it flickered two more times. It's a week 42.... Read More
27" 2.8 Quad i7 2TB I ordered the imac after seeing reports in the media of the problems thinking they would have fixed them, very surprised they hadn't white spot under glass and screen goes black temporarily, as well as flickering
27" 2.8 Quad i7 1TB Also had two defective screen pixels, 11 stuck camera pixels, and uneven backlight bleeding
quehartera 27" 3.33 Core2Duo 1TB I got my 27inch mac last week and my screen is flickering as well... It doesnīt happen the same way everytime... looks something aleatory... I can be 5 hours without any problem, and the next time itīll flickr 10 times every 5 minutes (example)... Iīm... Read More
smakus 27" 2.8 Quad i7 1TB I got the screen flicker once, about 5 minutes after the very first time I woke the iMac up from sleep. It didn't go away until I put the iMac to sleep, then woke it up immediately. Hasn't been back since, but I am waiting for it to. I also have a slight... Read More
Chris Miles 27" 2.8 Quad i7 1TB I have now had my 27inch iMac i7 for 5 days. The only time it showed the flickering/blacking out issue was on the morning of day 2, after waking it from sleep. After about half an hour I rebooted and haven't seen the problem since then! (Despite waking it... Read More