Ati 4850 24in iMac long term display problems anyone?

so im seeing blotches and lines on my iMac along with some odd pink spots here and there. 2 lcd replacments failed to fix the problem and all apple can say is "come in to an apple store". I cant as i just dont have the time and they still wont do anything to resolve my issue and they wont even replace my iMac. has anyone with the ati 4850 24in iMac had the same or similar issues later on. I can't believe apple wont fix my problems its just disappointing.

I tried both downloads and neither ended up changing the driver. I selected custom install and the driver that it said it was going to install was the one Apple provided, not the 9.12 one, even though that's what I downloaded. Dumb. I did the driver rollback and though it helped the banding, it's still there a little bit. I'm guessing I shouldn't see anything at all.
Edit: When I noticed the banding a little bit even after the rollback, I was looking at the default Win7 background. After switching to some of the other backgrounds, I'm not really noticing anything anymore. Maybe that default image has some in the image itself? But yea, it was definately terrible regardless with the 3.1 drivers
Message was edited by: eayost

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Mac Pro 3,1 with ATI Radeon 5770 + 30" Apple Cinema Display Problem

Ok guys/gals,
First of all I apologize for the thread as there have been previous posts in the past referrencing various different questions and setups, but I have a problem.. It's a little bit of a noob question so sorry in advance BUT..
What is the correct way to set up the 30 inch with the 5770? I have an old 3,1 (early 2008) that I've upgraded with various hard disks, SSD and 12 gig RAM. I removed the stock Nvidia Card and replaced it with this one but I am having problems that cause the Mac to slow down and the display to go all "fuzzy" or have streaking greenish lines (which you can only see against a black backdrop).
Currently, i have it going into the DVI port with the USB and FW extensions just lying around.. I've read something about needing to source more power from the motherboard to power the display, but I am not sure what to do... It's hit or miss really... every time i want to play say Starcraft 2, i need to restart my Mac Pro else it gets extremely sluggish (graphics)...
Is my Mac dying? or am i not powering the 30 inch correctly? If not, then I am confused between display ports and dual power (active) mini display ports.. can someone please point me in the right direction?
Apols for the long note, but am pretty good with computers but this is just annoying the sh*t out of me and has been for a while...
(PS - I CANT WAIT FOR THE NEW MAC PRO !!!)
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@ Hatter
Yup prior card was 8800gt and new card is nice and snug. 10.8 was not clean install, was upgrade. Ill try safeboot although not sure how/why that will fix any long term issues i have (which are random).. Trying 10.7 i had the same issues and was hoping that 10.8 wld fix.. Why go back to 10.6.8 when it should work in todays day and age? :(
@ Grant
Have done that now although not sure why something like this is not in the owners manual?!
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Weird iMac/iTunes/iPod display problem

iPod Touch G5, IOS 8.02
iMac desktop OS 10.9.5
This began when my WiFi sync stopped working. As far as I can recall, it was coincident with loading IOS-8. For what it's worth, my WiFi sync with my original iPad (IOS-5.1.1) has been flawless.
I tried a reboot but it didn't help so I did a Restore. That solved the problem and, as far as I can determine, the iPod is working properly in all respects. However, it created a problem with iTunes...
After the Restore, the app displays on the iTunes screens show perhaps a third or a half of my apps grayed out. See screen shot below. You'll notice that the issue affects both Apple apps and non-Apple apps. This did NOT happen before the Restore. All apps look properly and work properly on the iPad (at least the half dozen that I tried).
Note that this problem does NOT appear with the 5.1.1 iPad.
I rebooted the iPod several times and nothing changed. I tried a sync several times and nothing changed. I did another Restore and it appeared to solve the problem - all apps displayed properly on iTunes. Unfortunately, when I shut down iTunes and opened it up again the problem returned. This happens with both with a WiFi connection and a cable connection.
I tried a third Restore (yes, I'm a glutton for punishment). Same result. Problem temporarily resolved but returned after iTunes shut down and re-open.
I trashed the Preferences plist file and allowed iTunes to create a new one. No change. I repaired Permissions. No change.
I tried to trash the iTunes application so that I could reload a brandy new version but a message appeared stating iTunes can not be modified or deleted because it’s required by the IOS.
Any clues?
iTunes displaying iPod IOS 8.02:
iTunes displaying iPad IOS 5.1.1
Result when attempt is made to trash iTunes:

I ended up contacting AppleCare through the Chat agent and after a few misses, he instructed me to do an archive and install and presto - the problem is gone. I guess I had a corrupted installation from the factory.....

IMac crashing and display problems

I've been getting weird graphical glitches while playing World of Warcraft, such as this kind of thing: http://img208.imageshack.us/img208/1582/piccie10gl.jpg
Also, occasionally my computer will completely freeze up, or at least the monitor does. Everything will just freeze except the cursor, but I continue to hear sound as if it hasn't frozen. Once this even happened while I was burning a CD, and as I could hear the CD continue to burn I left it for a few minutes and came back and forced a shutdown and then restarted the computer, and the CD had finished burning.
Other times the screen will go black, and once it even flashed a dim gray color on and off.
I haven't ever seen this kind of thing before so I'm at a loss as to what to do about it. It seems to happen most when I'm playing World of Warcraft. Could it be the graphics card? I have an upgraded card, 256mb I believe.
I also have a very full hard drive at the moment (about 85-90% full, 250 gigs) which is the only thing that has changed between now and when this problem started.
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Hello everyone.
This was already posted on http://discussions.apple.com/thread.jspa?messageID=7359296#7359296
I had the exact same problem, and it was fixed after Apple replaced the logic board (motherboard) on my white 24" iMac 2,16.
It started last year with the exact same issues already discussed here as well as in http://discussions.apple.com/thread.jspa?threadID=1441391&tstart=0 . Back when I bought it, I went to the Apple retailer store to ask about heating problems, as I thought my machine wasn't operating the fans correctly. They told me they knew of no problems of this kind, so I didn't do much about it after that.
About 6 months of World of Warcraft, iMovie, Photoshop, Youtube, Garageband, web browsing, word processing, iTunes playing, sometimes some of these all at the same time, my computer started to freeze once a day, then twice, 3, 4 times, and graphic tearing started showing up, first in WOW, then all over the screen. After some extensive reading here on these very same forums, I realized my logic board, being constantly subject to +80º C temperatures, simply started to fry up. One day, my iMac simply did not boot up at all.
Now its working flawlessly but again, temperatures get to over 70º, sometimes 80º, and the fans don't go anywhere higher than 600-1000 RPM; I monitor temperatures with Temperature Monitor (free app) and use smcFanControl (also a free app) and manually turn up the ventilation when I'm using Warcraft (5 hours a day). No issues so far.
The temperature on both processors, the GPU diode and specially in the power supply position is messed up, I believe by faulty controllers that don't manage the fans properly, leading to hardware malfunctions. Sadly, I have to say Apple, after turning to intel, has lost most of its reliability in hardware. My former iMac G4 never had any problems for 2 years (used Warcraft III there as well, and iMovie)
Anyone with these issues, if your computer started freezing up and showing graphical corruption, its most likely a logic board slowly dying. Take it in for repairs as soon as possible.

Need help with long term Java problems

I've been having problems with Java on my computer for about a year now, and I'm hoping that someone here can help me out.
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This might be way off, but it's something that's tripped me up in the past:
If you are using Sun's Java plugin, the first time you go to a site that has a particular Java applet, you may be asked to approve/reject a security request.
If you have clicked on any other windows while the request is first being loaded (which can take some time, because this is swing based), then the security dialog box does not pop to the top of the window stack, and doesn't add an entry into the task bar.
It appears that Java just doesn't work, but it's actually waiting for you to click "Yes". You can check this by hitting alt-tab and seeing if the Java coffee cup icon is one of the options.
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Long Term MBPS problems.

I'm having issues with low mbps rates. I'm running a WRT-54G wireless router, with a wireless signal booster. My signal strength is always excellent, or very good at any location in my home, but the mbps will drop to 1.0 as soon as I leave the office. I don't understand how I can have a full excellent strength signal, but a low transfer rate. I've read and tried many things, but still no answers. It doesn't seem to be interference, I've unplugged everything in the house. Please Help.
Cory

Now according to status window, I have 54mbps, excellent or very good connection. But the web site will not come up. It gives me a generic message from internet explorer. It still only works when I'm in our office within 5-15' from the router. Anything outside that range the web page either doesn't load or it takes forever. I don't understand, If I have an excellent signal shouldn't my transmition rate be high. I've tried unplugging everthing in the house. I've moved the router, same results. Even if I can see the router with no walls in the way, as soon as I'm about 20' or more away the transmition rate drops. Bad router? Linksys junk?

Conclusions so far on the display problems?

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"Alot" of the 24-inch Alu-Imacs have problems with a left to right gradient, often white to yellowish white.
Apple is not admitting that the Alu-iMacs have general display problems. (Maybe due to too cheap display technique?)
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/Krister

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Long term planing.

Hi guys
what is long term planing. can anyone send me some info about that.
what is the diff between longterm planing and mrp.

Hi,
Basically LTP is simulative MRP to simulate and see all the results like production capacity plan/ raw material plan/ profit margin. here we are using the same master data like material master, recipe, BOM etc
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[Long Term Planning|https://forums.sdn.sap.com/click.jspa?searchID=16254554&messageID=6097199]
Please go through this link also,
http://help.sap.com/saphelp_47x200/helpdata/en/92/bf055544bd11d182b40000e829fbfe/frameset.htm
Regards,
R.Brahmankar

Photoshop CS4 and iMac(ATI 4850) Open GL problem?

Hi: My problem is; when I click full screen mode with menu bar options(Shortcut is F) my workshop background grey area has a colorfull noise and lines(Randomly). My machine and graphic card compatible with Open GL. Anyone know why did happen like that? Buy the way I did all updates. My guess this problem happened after Mac OSX(10.5.7) updates. How can I fix this?
Ps: My machine 2009 iMac 2.93 Ghz with ATI 4850....
Like that;
http://i42.tinypic.com/s2yv5y.png

yeah, short term test deems keeping both cards in.
So, here are the results: Notes: I have 2 monitors, an Apple 30" and Apple 23". The 30" can only be used in the dual link dvi port and NOT the Mini Display port. Second: The ATI 4870 seems to have an issue with the Mini Display port, it does not work, alone or in tandem with the dual link dvi port being used. Apple is replacing the card (heretofore, I had no cause to use the Mini Display port on the 4870 at all) Third: Only Photoshop CS4 extended was used to see if the card was detected and if it had enabled Open GL
ATI 4870 - dual link used, Mini Display NOT used: Photoshop sees the card and enables Open GL
ATI 4870 - dual link used, MIni Display used: didn't test because Mini Display port did not work.
ATI 4870 - dual link NOT used, Mini Display used: didn't test because Mini Display port did not work
Nvidia GT120 - dual link used, Mini Display NOT used: Photoshop sees the card and enables Open GL
Nvidia GT120 - dual link used, Mini Display used: Photoshop does not see the card and thus Open GL is NOT enabled.
Nvidia GT120 - dual link NOT used, Mini Display used: Photoshop does see the card and Open GL is enabled
ATI 4870 Dual link used, Nvidia GT120 Mini Display used: Photoshop does not see a card and Open GL is NOT enabled.
ATI 4870 Mini Display used, Nvidia GT120 dual link used: did not test because ATI Mini Display port did not work

Windows 7 64 bit on iMac display problems and instability

I received my iMac 27" quad core with 8 gig ram & 2 x 1 TB hard drives last Friday. I'm using Boot Camp to run windows 7 64 bit on maximum 2560 x 1440 screen resolution.
I get intermittent but often display problems in windows 7. I get areas of the screen covered in little yellow dots or blue squares (never red artefacts.) This will happen at random areas of the screen, inside an open window, around borders of windows and so on. Most often the screen will go black and come back with a message in the bottom right corner of the screen saying 'Display driver has stopped responding and has recovered' with the sub message saying 'display driver ATI radeon family stopped....etc'. Sometimes I lose the screen wallpaper. Once I've had the system just shut down, once I've had Photoshop seize up and I had to do a cold reboot. Could this be an overheating problem or resolution too high problem or driver problem? Windows 7 tells me my drivers are up to date. I tried installing the drivers for the card from ATI's website which made no difference
The reason I bought a Mac is because it's the only effective way to code for the Mac family of OS's in XCode. The reason I didn't just attach a miniMac to my PC monitor was because there's rather a lot of advertising by Apple about the fact that you can use a Mac with a PC OS via Apple's own Boot Camp. Now I have a lot of Windows software (some of which is not available for the Mac or requires buying again) sitting on an unstable system. Any ideas would be much appreciated...

Sorry, that thread got moved for edit and as a user tip... which I didn't want and won't be doing....
Here is the post:
A tip and workaround for how to get ATI mobility/laptop drivers so that Windows no longer thinks the ATI is a desktop card:
http://discussions.apple.com/thread.jspa?messageID=11286987
Summary (my own edit steps):
1. Install Boot Camp 3.0 and upgrade to 3.1
2. Uninstall graphic drivers and run Driver Sweeper
http://www.guru3d.com/category/driversweeper/
instead of:
removing the crashing driver by going into windows 7 setup via its install cd and deleting the ati driver manaully
3. Install ATI Mobility (link)
4. Uninstall ATI (Programs control panel?) Device Manager (rollback; uninstall?)
5. Device Nanager: update driver and BROWSE BACK to 8.681 (the original apple driver that was causing freezes and purple artifacts) - navigate to /Apple/Drivers/ATI
(Apple uses) a 4850 card in the iMac, its modified a bit for apple. Enough that desktop drivers don't work, and modded-for-laptop desktop drivers don't work either.
Now the upshot of using modified drivers is that it FORCES the catalyst control panel to be installed, meaning you get a few more options to mess around with the card.
I couldn't use the original apple drive, it locks up, the newer one had banding, the newer radeon drivers direct form ATI wouldn't work until they were modded and then they cause black screens.
SO the solution, as obscure as it was, was to download ACTUAL mobility Radeon drivers - version 10.3 still, but made for laptops.
http://support.amd.com/us/gpudownload/Pages/index.aspx
THESE drivers I was able to install - and here is where things changed.
THIS driver changed they way windows saw the video card in device manager.
As I mentioned before, its NOT a desktop card, its a modified laptop card, but installing mac drivers makes windows THINK its a full desktop card, and running the original 8.681 driver crashed it.
Once installed 10.3 LAPTOP driver it now appeared in device manager as a MOBILITY card.
+These Steps "should" work:+
delete ATI driver manually
reinstall apple driver after that and see if that works,
otherwise try the steps above
(mod drivers, remove via windows recovery off setup disk, install laptop drivers, reinstall apple driver over it)

Strange green lines with ATI 4850 iMac in Aperture, then crash.

Well, I have been running my iMac, 3GHZ, ATI 4850 for about a week now. I have had 2 lockups in OSX, 1 in boot camp and 1 graphics crash.
In OSX, all the crashes/lock-ups happen after I get these strange green lines, artifacts, that run across part of my screen. They change in length but generally always run horizontal. I can seem to find a way to post pictures here, but I have a couple screen grabs here:
http://atothe420k.blogspot.com/
Since I have to power off in the middle of Aperture, I am also getting corrupt databases, which take forever to rebuild.

Well, I called into Apple Care, after my machine crashed again twice today, once in a web browser and once under EveOnline. The person said to download and use some fan control software. It installed, but didn't do much, couldn't get it to change fan speed or anything else.
I installed iStatPro, which is great, and kept checking the temp of the ATI card, it would crash when the temp was up around 65-70 degrees C. Not sure if that is high or not.

How to connect a Apple LED Cinema Display (24") to a PC with an ATI 4850?

Help!!!!
I have a new MacBook Pro and the LED Display just rocks with it, but my PC... how do I connect this MASSIVE investment to my PC with an ATI 4850?

Sadly, if there is no Mini Display Port on the 4850, you cannot.
And there are no known adapters at this time.
Thanks ... Ken

2x iMac G5: Both Logic Board and Display Problems, Warrenty?

Hello,
Thank you for looking at this topic.
I am Jeroen from The Netherlands and proud owner of several Mac Mini's, iMac's and Macbook's. I have 2times the iMac G5, a beautiful machine, but both not working since 2 months.
I have two times the iMac G5 with iSight, both have logic board and display problems.
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The second iMac has weird horizantal stripes also, but the computer starts. It gives a finder and questionmark icon. After a while the fans go crazy.
Both these symptons are widely known on the internet. I would like to get this fixed, but prices are crazy. And because this is a common issue I would expect to get this fixed for no costs. I have contacted several Apple resellers but they shown me high prices and bad services. On these forums I've saw people in the USA who get this fixed free of charge.
Does anyone has any advice for me? I'll call apple USA this morning.
Thankyou for ur time.

Welcome to Apple Discussions.
I know of no repair extension authorization which provides for the repair of either computer you describe beyond its original 12 month period of coverage. If either machine is covered by a warranty extension program provided by AppleCare, then the parts, labor or both required to replace the defective components may be offered at no charge to you. Final determination of eligibility is made at the part level by authorized Apple service providers or dealers and by the specific serial number of the machine submitted for service.
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Hello to all: My iMac has developed a video display problem. It displays everything in cartoon like colors - purple, green, blue. Can this be repaired? Is there a way to output to a different monitor? Thanks in advance! isplays

Hello -
My iMac has developed a video display problem. Everything now appears in a strange, cartoonish way. Purples, greens, blues. Can this be fixed, and if so, any idea how much it might cost? Also, could I output to a seperate monitor? I plan to replace the unit , but cannot right now. Thanks!

Go to System Preferences > Universal Access > Seeing.
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You can also reset it by pressing Command-Option-Control-8

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Hi,
I am trying to use the imac as an external display for a macbook air, which is well supported/advertised by apple.
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Ati 4850 24in iMac long term display problems anyone?

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