Intel Mac :: 27" - Color Calibration - Fault/Failure?
Feb 15, 2012
Earlier today I had the LED Panel replaced in my 27" iMac (Applecare Warranty) due to a screen discoloration that had appeared around the Optical Disk area of the screen. The replacement LED has resolved that issue. However, (and I don't know if this is due to the new LED installation) I now find that I cannot 'color calibrate' the new screen. On opening Display Preferences/Color, there are three display profiles listed;
• iMac
• iMac 27 Calibrated
• My 27 iMac Calibrated.Â
On selecting any of the above and clicking the 'Open Profile' button - I'm given this message; Unable to determine file format. The file "/Library/ColorSync/Profiles/Displays/iMac-00000610-0000-9CB5-0000-000004272D40 .icc" does not appear to be compressed or encoded.It is advised that you obtain further information about the contents of this file from the sender or provider of the file.    On selecting the 'Calibrate' button - I'm given the message; Can not calibrate the display The factory profile for the display could not be found. Â
Info:
27, Mac OS X (10.7.2), • 23" HD Cinema Display • iPhone 3G 16Gb • ATV
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Jun 25, 2008
I have a Dell 2408WFP on the way, as well as a Mac Pro 2.8 with the HD 2600XT, at long last!
The 2408 was recommended by several users of this site, so I wanted to see if you would be willing to share your calibration settings for the monitor?
I've read here about the important task of recalibrating this monitor and soaked up as much knowledge as a I could (as he does get into his settings a little bit).
Since it seems some of you would have a very similar system to me , I was hoping you could help take a little of the pain out of calibrating it (without an external device) and share all relevant settings with me (monitor settings, color profile, graphics card settings, etc.)
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Feb 24, 2012
I recently purchased a macbook pro. I'm a digital photographer & I'd like to colour calibrate the screen. Can anyone recommend the best calibration system for macbook pro? I'm using Mac OS X ver 10.7.2
Info:
MacBook Pro, Mac OS X (10.7.2)
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Jan 20, 2009
I've been trying to get decent color on my Acer AL2216W display to no avail.
First, I attempted to fiddle with the brightness and contrast levels because I've been having trouble seeing really light grays. I used this as a guide so my whites, grays, and blacks looked good but then my colors were completely off.
[URL]
Then, (after resetting all my changes) I downloaded a color profile from the Acer support website. Surprisingly, that profile is completely off.
Next, I tried using Mac OS X's Color Calibration utility in System Pref > Displays > Color > Calibrate. I ended up with incorrect colors & grays again.
Am I doing something wrong? Could someone please direct me about how to achieve proper colors and contrast?
Also, if any of you have an Acer AL2216W and you have made a correct color profile, please pass it along!
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Nov 3, 2008
I did this for the Macbook Pro's a while back, but I'm a Macbook guy now. There are a few other threads with profiles but it's no good if you use a profile made from a different panel than what you have. I'm just trying to consolidate things here.
I will try to keep this post current; please only submit profiles created from hardware, not those done by human eye (meatware?) And be sure to say which panel the profile is for. Thanks to everyone for contributing and improving the Macbook experience!
How to determine your panel type/code
How to install and use color profiles
Basic tests to determine if a profile is a good fit:
Black level
White level
Gamma
9C89 (LG)
See attachment (rezonat0r-9c89.zip)Spyder3 Pro. 2.2 Gamma, Native and 6500K whitepoint. I recommend using the Native whitepoint.See attachment (rezonat0r-9c89-alt.zip)Spyder3 Pro. 2.2 Gamma, Native whitepoint. This is an alternate profile made from another Macbook with the LG panel. It is similar to the previous but slightly darkerjessica's profileSpyder2 Pro. 2.2 Gamma. Native whitepoint (I think - not confirmed)
9C8C (AU Optronics)
See attachment (rezonat0r-9c8c.zip)Spyder3 Pro. 2.2 Gamma. I only did a calibration at native whitepoint (honestly, if you really need 6500K then you won't be using a Macbook screen, or any laptop screen for that matter)
9C8A
See attachment (rezonat0r-9c8a.zip)Spyder3 Pro. 2.2 Gamma. Native whitepoint.
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Mar 12, 2012
My screen went high-contrast. color profiles and calibration didn't work well - HOWEVER-It looks fine right before I log in! Is there a way to repair the color profiles or whatever? I Installed Photoshop Elements and Premiere Elements a couple weeks ago that's when I think it began
Info:
MacBook Pro, Mac OS X (10.7.3)
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Dec 5, 2007
Thing is I got hold of a 1ghz 17" iMac almost for free, it had a dead logicboard (I checked it with a voltage-meter), but I figured I could fix it and have a small hobby project-thingie going on. Well I just got a new logic board today, for a 1ghz 17" iMac g4.
Things is I only get a bright grey screen from my Mac when I boot. I've tried connecting it to a external display and that works fine. Everything is there.
I then reinstalled Tiger on it, with the computer connected to my external screen. And I still have the same problem. (I have now disconnected the ext. screen and is controlling the iMac from my MBP). So at least it isn't the installation.
So what is the problem? I can via an Apple Keyboard control the brightness on the blank screen, which would indicate that it does react to input of some degree.
I've read that if the inverter is dead or anything else is dead, you would get a rolling grey screen, flicker or something like that and not a steady bright grey. One thing I'm thinking is. What if somehow this logic board was for a 15" 1ghz imac g4? Can I check this?
I read that long thread about guys buying hi-res displays for their MBPs, and they had to replace some display profile? Could I maybe fix it with a different display profile-file?
I'm really confused by all this, and would appreciate any help I can get.
Model: PowerMac6,1
CPU-Type: PowerPC G4 (3.3)
and
the gfx chip is a GeforceMX4 with 32mb.
The display is a mode 9c27, manufacturer 610, serialnumber 00000, manufacture date: B84D7200.
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Feb 20, 2009
before switching to Mac, I used an "X-Rite Eye One Display 2" color meter device with software. You can find them most places like Amazon for about $150. The device should still work, but I can't find any software for it for the Mac. After going to the X-Rite web site, I could find no software at all for the Mac as it is only windows based.
Surely someone out there has used a color meter such as this one as they are quite popular especially for graphics artists that use professional graphic monitors. I am hoping someone can tell me how to use my color meter (USB), what software for Mac Leopard I need and how to save the color profile in the Mac OS.
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Apr 26, 2012
I need to know how to calibrate my monitor so that I know what my photographs are going to look like before they get printed. Either that or would it be better to buy a third party calibrator, like X-rite?
Info:
iMac, Mac OS X (10.7.3)
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May 13, 2012
Macbook Pro won't boot. Symptoms preceding failure included failure to open Firefox. When trying to cold boot I can get as far as the start-up sound, the Apple logo, and the spinning whieel (spins for a bit but not for very long) and then major failure. Not running Liom.
Info:
imac 10.1, Mac OS X (10.6.2), also have macbook pro running os 10.5
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Jun 6, 2010
I was an owner of a white macbook for just over a year until the motherboard decided to give up the ghost... So I eventually bought myself a new 13" Macbook Pro. Everything was going just beautifully, until I realised when I was charging it, I had this weird electrical current going through all the aluminum.First of all the first two things that came to mind was. What's the computer and most importantly MY health going to be like if its exposed to all this! Anyway. I read a few threads, and they were talking about the "Grounding" problem. Luckily I got my old macbook charger out and plugged it in.. The problem went! So I was then thinking on where in the charger lied the problem? So I took the cable part from the Megasafe to the socket from my macbook, and then put it into my macbook pro Megasafe... and everything worked brilliantly! I'm no genius, however if you guys feel that tingly electrical/static current going through you're MBP, go and buy yourself a new cable. However as Apple is so popular, I'm sure if you try one of you're friends (As they will undoubtably have one) and see if it is that the problem. In anycase, I'm very happy with my Macbook Pro Apple make some awesome products. Bill Gates should just pack up and go fishing if you ask me. He can never compete with Me old mate Steve
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Jun 29, 2012
I bought a faulty MacBook pro off eBay really cheap, it's immaculate condition externally but it won't power on. It came without a battery,charger or a HDD. The power adaptor came today and I put it in, without any battery or HDD would anything happen when you press power or not? Otherwise I'm assuming it's a possible logic board replacement?
Info:
iPhone 4, iOS 5.0.1
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Jun 17, 2012
Recently I've started creating and using Smart Playlists. And ever since I created a Smart Playlist - when I make any change to the metadata (artist, album title, anything at all - even just changing one letter) - iTunes freezes up for about 10 to 20 seconds as the wheel spins and iTunes processes the new information. But in the meantime iTunes is rendered completely frozen up for me. Same thing happens if I begin importing (whether from CD or just dragging) new music. Is this sort of thing normal? I assume it's the program processing the new information for the Smart Playlist, but for pete's sake, does it have to render the complete program useless? Smart Playlists are a nice idea, but they have made iTunes a nightmare to deal with!
Info:
Mac Pro, Mac OS X (10.7.4)
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Mar 2, 2012
cannot get Migrate from PC to iMac working.The iMac can see shared folders on PC, but the PC cannot connect to the iMac.Both machines share wired router. I can ping from each machine to the other, the PC sees the iMac in the workgroup but cannot connect.Â
I need Migrate to bring over 4 Outlook Express folders (mailboxes) that were left out after two attempts by the apple store to migrate my doc's, photos and email. There is a utility called "Belkin Switch-to-Mac" on both machines.Â
Info:
iMac, Mac OS X (10.7.3), From XP sp3 to new iMac
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Apr 14, 2009
This is something I've been wondering for a long time. I seem to have a lot of screen-related issues with the Pros that I sit in front of in the main. Brightness controls going haywire displays not turning on, etc. There is also the odd attached USB device lockup, but I'd been putting this down to the devices themselves and the occasional, app-level instability of Leopard. More recently though, I've been seeing a pattern that's leading me to suspect the Pro's more than the peripherals. Is there a documented case of possible USB hub connection issues in (fully patched) 2008 Pros? The most frequent issue is monitors not behaving as expected when the system is booted until the monitors themselves are unplugged from power. There are also less frequent but present problems where iPods lock up, keyboards stop working, etc. I can't really abstract the problem down to an OS issue or a hardware issue, but the need for me to unplug the monitors seems to indicate that there is some sort of USB initialisation issue - as with the other minor problems I experience with other monitor-connected USB peripherals. Since I only use multimonitor environments as far as my Pros are concerned, all USB connections are usually made from the backs of the screens. So the big question is is this a screen USB hub fault, or a main-unit intermittent fault? All of the monitors I'm using have been to Applecare for one reason or another, although I'm not sure if they check everything in these repairs.
Can anyone else shed more light on this issue? It's pretty hard to replicate reliably and it's not been something I can go to Apple with any degree of certainty, yet the little minihoops I have with this problem (and oh so many other Apple issues, but that's by the by) irritate me immensely in comparison to my rock-solid, near-zero-such-issue, non-Apple environments which I also use daily.
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Jul 29, 2010
Recently i've started to experience my iMac screen flickering for approx 2 seconds, and then turning back on. I was wandering if this was a common problem with this model of iMac (purchased mid-09, 2.66ghz 4gb ram model). I had read of such a problem with the new 27", and in some cases even with the 21.5".
I have only recently begun to use the iMac for relatively graphically-intense tasks, and was wandering if perhaps it could be a dying graphics card (or perhaps it was always faulty, but the lack of intensity of any programs run never pulled it up originally?), or if maybe it was an issue with the LCD?
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Apr 10, 2012
I recently tried to update a few software on my MacBook Pro, but apparently software update crashed while it ran in the process. So I cannot update any software since it won't work at all. I even tried to run software update on command line and it gave me "segment fault".
[Software logs] .....
Info:
MacBook Pro, Mac OS X (10.6.8)
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May 22, 2012
why i have to unplug the power cable from the back of my imac after every power failure at my home to get the imac to boot up. I've tried resetting the surge protecter and unplugging there. However, the only option is to unplug the cord from the back of the monitor/imac before it will boot up.Â
Info:
iMac, Mac OS X (10.7.4)
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Aug 18, 2010
After using a PC laptop for six months or so (and it really messing with my eyesight) I thought I'd try to revive my old macbook. Basically 70/80% of the time it won't turn on. There are these patterns of faulty behaviour which I hope you guys could diagnose:
1. I'll press the power button, I hear the disk noise, and the screen is black (i.e. not a backlight problem). The chime won't sound, I can just hear the fan and the hard drive whirring. The only way to get out of this is to power it off via the power button.
2. Sometimes after it's started up successfully and I move the Macbook (say, from a desk to my lap) the same thing will happen - black screen, with the rest of the stuff whirring, and if I try to shake it around nothing happens, I have to power off.
3. Occasionally when I power on, I just get the disk noise, a white screen, but no question mark, no apple logo, nothing.
4. Another time I tried to boot up with an external hard drive fitted and just got the chime over and over and over. Removing the drive solved this.
5. One time the screen just greyed out and a message in about 5 languages came up saying I needed to shut down my computer NOW.
This is not a hard drive fault - I saw that apple had extended the warranty on the hard drive because the question mark usually pops up for half a second at startup, and the nice guys at regent st London just whacked a new hard drive in, with a clean install of leopard (which was cool, I was previously on tiger at the time). I read something about resetting the PRAM (which I haven't tried), but I'm guessing it's the logicboard/motherboard. If this is the case, any idea how much it costs to fix? (My macbook is out of warranty). Figures in GBP appreciated but I can convert USD estimates. Is there any way I can try to blag a free motherboard and install from apple by exaggerating some symptoms?
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Jun 21, 2010
I know this is a fairly common subject matter but I have tried just about everything suggested but with no success. detailed below are my findings, I was wondering if anyone better qualified than me could suggest a diagnosis?
What does it do?
I hear the fans and hard drive and see the white/grey boot screen with the apple logo and spinning cog. The cog will spin for anything from 5 - 30 seconds before freezing. Some disk activity will continue for a short time afterwards before everything grinds to a halt?
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Jun 30, 2012
What means hardware test fault 4Mot/4/40000003:HDD-1255? I´m searching for the reason of frequent freezing and finder freezing, freezing in Safari too, and got this result with extended Apple hardware test from CD. Checking volume by Lion recovery tells: volume seems to be o.k.
Info:
iMac, Mac OS X (10.7.4), iMac 27" Dual Core, late 2009
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Nov 7, 2009
i need some advice on what to do next, my Intel 24" iMac has failed, diagnosed as a faulty logic board by the Apple Genius. I purchased the iMac in Dec 07, and I deliberately did not purchase the extended warranty as this is a desktop unit, that in 20 months of ownership has never been moved, dropped or transported anywhere.
I have no option than to either pay for the repair - �380 or sell on eBay for spares...!
I informed Apple about the Sale of Goods Act, and they have put the owness on me to prove it was faulty from date of purchase...! They have informed me that I need to visit an Apple authorised service centre where they will run a test and produce a report, which will determine if the fault was there in the first 6 months of ownership.
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Feb 12, 2012
When my iMac comes out of sleep (overnight), I get a "backup failure" error as the machine tries to do a backup. I try performing a backup manually and it fails as well. I tried removing the drive to have it detect again and I get another error that it cannot perform the ejection process, because it may be in use. I have to force quit/eject. After reattaching the drive, the backup performs with no problems.
Info:
iMac (27-inch Mid 2010), Mac OS X (10.7.3), Seagate GoFlex Hard Drive External
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Mar 15, 2012
Cannot turn on iMac duo core after power failure. Tried plug - unplug. What's next?
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iMac 2 GHz Intel Core Duo, Mac OS X (10.4.9)
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Apr 22, 2012
I tried to partition my main drive and it failed, however it is now saying that 200 gb of space on my main drive is used up. The partition was only for 100 and I have no idea what happened.
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May 25, 2012
I'm trying to disconnect the time machine from my airport extreme and reconnect my external hard drive and I'm not having any success. After I installed the Airport Extreme and tried to connect (the once SUCCESSFULLY direct connected hard drive), the hard drive to the Airport - I was getting failure messages that the device was full) How can I re-point my time machine to a directly connected external hard drive? It's got to be simple - but I've exhausted my options I think.
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Jun 5, 2014
I've tried six times to burn 290 photos, exported from iPhoto, to a RW DVD. The pictures export OK, the transfer to the DVD seems to go OK but it's when the disc is being verified that the problem occurs. It gets to somewhere around 25% verified then returns the message below and ejects the disc.
I only seem to have two burn settings:Â Max (2.4x) and 2.4x - I've tried both and failed.
As a test, I sent a mere 10 photos to a disc and that worked. Then I tried 100 to a new disc and it failed again. But the discs' capacity is 4.6 Gb.
In the past I've successfully burned several hundred photos onto many discs from the same manufacturer.
I'm not sure what's going on. Is it possible that the disc burner on my iMac is broken.
Info:
iMac, Mac OS X (10.6.8)
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Dec 8, 2014
While installing windows 7 via bootcamp tonight, I suffered a power failure a minute or two into installation. Upon reboot, I have only a black screen with flashing curse. I have attempted to reboot in safe mode, recovery mode and diagnostic mode, but I think the machine is not recognizing the keyboard.
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iMac, OS X Yosemite (10.10.1), 2014 21.5" Fusion Drive
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Jan 19, 2010
I have an 09 Mac Pro Nehalem, with nvida gt120 graphics card running 10.6.2 with the latest mac pro 1.4 efi and two 23 inch Apple cinema displays (the older DVI kind)
I go into system preferences>displays>color and try to adjust color on my monitors but selecting different color settings on either monitor only affects ONE monitor, the other monitor is essentially stuck at whatever color setting it is set to.
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Jun 2, 2014
When starting the iMac in the mornings, the upper strip of the desktop appears in the screen color instead of white. What could this be?
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iMac, OS X Mountain Lion (10.8.2)
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