Hardware :: Pattern Appeared In Horizontally Lines?
Oct 14, 2009
yesterday I received my 24" ACD and really is a work of art, it is beautiful in every aspect. Color balance, hue everything is very well reproduced. Anyways at night I used iklear to clean off some smudges that I had left on the screen due to the install and placing it in the right place on my desk. I used the iklear with the screen off and cleaned it with the microfibre cloth that it comes with and started noticing this pattern that started appearing of horizontally continuous lines. Also with this some very weird smudging appeared and was very hard to get rid of. So after 20 mins or so of polishing with the cloth it came with, they went away but they appear once you apply artificial light from a flash light. I called apple and they of course knew nothing of this, called the apple store genius and I believe some know and some dont. I called iKlear and they have received some calls about this and offered me a different cleaner and they sent it to me at no cost that they say will take the pattern and smudges off. They say it is something or some sort of residue from the paper cover that covers the display in the packaging, and if you look and compare this you will notice it does have the same pattern. I have read on couple of places including the apple support forums where they have experienced this same problem and hope to bring the solution to light here. I have read everywhere from using clear windex to using 70% isopropyl alcohol and I do not want to try this due to the harsh chemicals these contain unless of course this fails.
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May 3, 2010
i have had a Macbook Pro which I got in mid 2008 and it just yesterday began doing something strange. After working in Mac OS X for a while I saw that many of the white areas on my screen were filled with purple lines. Most of my pics in my background are outlined with varying colors and I cannot figure out what is going on.
I began to suspect the graphics chip at first, so to test this theory I plugged it into an external display and the problem did not exist there so I concluded that it was not due to the graphics chip. I have a friend who performed some tests and believes that it is a problem in the connection between the monitor and the graphics chip and that certain bits of data just aren't making it through. I thought that this was a feasible problem, but to get a second opinion I took it to the local apple store on my university campus and they looked at it and also concluded that it was not a graphics chip problem, but that I may have to replace the whole display assembly. This was fairly expensive and I cannot afford to do that since time got away from me and I forgot to purchase applecare. (How stupid of me. Aargh!) Anyway, so I was wondering what is believed by the macrumors community to be the best option. I discovered that this problem seemed to happen on a lot of this particular model of macbook pro and that apple offered to replace the graphics chip for free because of it, but since they do not think it is a graphics chip issue, it appears that I am stuck.
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Apr 1, 2009
I have an IMac and first the screen went green not long after I got the power supply changed and now lines are appearing
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Jun 23, 2012
I have recently noticed two vertical lines (seem to be a lighter shade of display screen color) running top to bottom on my desktop. They stay on my display screen all of the time. This lovely old guy was purchased May 2006 but has every upgrade (except Lion....running Snow Leopard) and full component of memory...serves me well but I need to know if this is a sign I am losing my hardware.
Info:
Imac with Intel Core Duo, Mac OS X (10.4.11), 512 MB memory 160GB
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Feb 9, 2012
2 vertical lines, running from top to bottom, have suddenly appeared on my screen. On a white back ground they appear blue and green. they have a wide space between them. I switched off and on but they are still there. Whats happening?
Info:
iMac
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Apr 11, 2004
Just got back from a vacation and have some AVIs that I shot on my digital camera. I want to edit these but some of the were shot vertically instead of horizontally. Does anyone know what program I can use to rotate these? Can't find a feature to do so in iMovie - using a 3rd party program is probably the way to go.
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Apr 15, 2012
My MacBook Pro3,1 (early 2007) produces a screen of narrow horizontal bands of black and white, with a few scraps of pale blue and a few fragments of letters, but ONLY when booting from the original install DVD. The displayed pattern has a narrow vertical line in mid-screen, with one side of the displayed pattern shifted up (or down) by the width of the horizontal bands. This display is unreadable, and therefore unusable.Â
Apple serviced the MBP's defective NVIDIA GeForce 8600M GT graphics processor in 12/2010. A year earlier they replaced the SuperDrive.
In May 2011 I replaced the Apple Memory with 4 GB of Kingston memory.
The MBP boots off of the hard drive into SL 10.6.8 with no problems.Â
In preparation for an upgrade to Lion, I booted off of the original Install DVD into the Apple Hardware Test, and ran one pass of the extended test. It took about two hours. No problems were found. Next, to use Disk Utility to check/repair the hard drive structure before the upgrade, I restarted while pressing the C key to boot from the Install DVD. The DVD was accessed, the grey Apple screen displayed, but at the end of the boot process the striped display appeared instead of the expected system installer display.Â
This Install DVD boot failure is repeatable.
I have rebooted with no problem from the hard drive.
I have rebooted off of this Install DVD, but into the Apple Hardware Test (D-key pressed), and rerun the short test.
I have reset PRAM and SMC, but the problem remains.Â
It is possible that the Install DVD was not used since the 12/2010 graphics processor repair, until now. Although I do not intend ever to use the Install DVD to roll back to MacOS 10.4.9, this is the tool I'm supposed to use to repair my system hard drive. Â
I'm baffled because this problem only appears when booting into the installer program. Is it possible that the repair of the graphics processor (or even the SuperDrive replacement) introduced an incompatibility between my MBP's hardware configuration and that expected by the Install DVD
Info:
MacBook Pro, Mac OS X (10.4.9), Install DVD
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Aug 25, 2005
I recently developed a scrolling problem with my Mighty Mouse. It started to only vertical scroll in one direction. I reinstalled the software and it did not help. So, I called Apple tech support. While waiting on the line, I decided to press quite hard on the scroll button and try to scroll. That cured the problem, after that it only required the normal light touch to work properly. I do not know what was the cause of the problem, maybe dust(?), in any event it is working fine now.
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Sep 15, 2009
Out of nowhere the displays connected to my Mac Pro desktop have an even pattern covering their entire area. Anyone know what's causing this?
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May 25, 2008
When i want to use mp with simple task . eg. iTunes , web browsing , e-mail If i select 1CPU or 4CPU option. Can it reduce my Mac pro power consumption.
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Apr 9, 2009
no matter what kind of screenshot i take (shift+control+command+3, shift+command+3, shift+control+command+4 or shift+command+4)
it always results in this pattern
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Apr 25, 2012
4/25/12 9:59:21.987 PM com.apple.launchd.peruser.501: (com.zeobit.MacKeeper.Helper[3994]) posix_spawn("/Applications/MacKeeper.app/Contents/Resources/MacKeeper Helper.app/Contents/MacOS/MacKeeper Helper", ...): No such file or directory
4/25/12 9:59:21.988 PM com.apple.launchd.peruser.501: (com.zeobit.MacKeeper.Helper[3994]) Exited with code: 1
[code]....
Info:
iMac, Mac OS X (10.7.3)
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Nov 25, 2008
After a power outage my computer was not quite right. When i restarted it there was a plaid like pattern in all shades of gray , black and white. When i put the pointer on it, the desktop came beck at each part I touched. i sort of was painting it back. I shut it down.
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May 29, 2012
After updating 10.7.4 ihave pattern on my second display. Is there a new update this week?
Info:iMac (27-inch Mid 2011), Mac OS X (10.7.4)
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May 15, 2010
i have g5 with fresh leopard install . after restart my icons on desktop realigned to the right,not in my customized pattern. that happened from the first restart after the installation.
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May 31, 2010
I have a Macbook Pro 17" 2.16 dual core with a mate screen and now all of the sudden I get this weird pattern. Sometimes it goes and comes back and sometimes it disappears for a month. Is my screen up for a change or is it just something loose.
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May 18, 2012
2010 Mac Mini, 10.7.3, dual DVI displays. - Several times a day, it shows a yellow checkerboard pattern in some windows. So far, it's appeared in Chrome, Entourage and Excel 2008. The problem occurred both before an after we upgraded the RAM. These checks appear sometimes when scrolling, sometimes while waiting for a web page to load. They go away generally with the same actions... clicking, scrolling, etc. Â
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Mar 15, 2010
I own a 17" g5 imac and today I was just browsing on Firefox and all of a sudden the screen became checkered with thin pink and white lines. It is most noticeable on the menu bar and anything that is grey or white in color. It is not checkered on the blue background behind my desktop photo. I have an external monitor plugged in as well and the same thing is happening to that monitor.
I have a powerPC imac G5
OSX 10.5.8
1.5GB DDR RAM
ATI Radeon 9600
Here is a screen shot:
Haven't reformatted it yet. Hope there is a better solution. Purchased it used about a year ago. No warranty.
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Dec 7, 2014
Am getting a gray snowflake pattern on display screen (using older Mac pro). Did something fail in computer or is this a hacking job? Right now I'm using another MAC to send this.
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Feb 1, 2007
I have just bought an iMac G4 1GHz USB 2.0. When I run the system for more than about 15 mins the screen dies and goes a glorious multi coloured pattern that I cannot recover from. This is persistant from then on through reboots until I Zap the PRAM.
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Feb 4, 2010
Using the ati flashing tool I flashed the XFX 4870 1GB ZFWC. When I start up a dialog shows up saying the cables are not connected, when in fact they are (I have double and triple checked). Also when I put the computer to sleep then wake it up a weird distorted blocky pattern appears and I have to restart the computer to fix the problem.
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Nov 1, 2010
Had my Macbook Pro 2.66 i7 for about a month now and i've just noticed these 3 marks on my screen. It's like a screen bleed? Also will it be covered under warranty etc?
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Mar 24, 2012
a line appeared on the screen of the air as phaco mcbook to strip
Info:MacBook Air
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Apr 18, 2012
I bought macbook air few monthes ago ,but recently , there are more than 5 blight spot appered on the screen and mistouching happened offen in the touch pad  when i closed the cover !!Â
Info:
MacBook Air, Mac OS X (10.7.2)
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Jul 6, 2012
Ive deleted it countless times and it still reappears (in a different place in the file Structure) I'm running an AV but no sign of anything....Â
Info:
iMac, Mac OS X (10.7.4)
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Aug 29, 2010
Can anyone identify this toolbar icon that has suddenly appeared on my Mac? Clicking/Right clicking does nothing and it doesn't seem to be one of my Login Items. If anyone can identify what it is so I can uninstall it?
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Nov 8, 2010
I have just updated my HD to a SSD and noticed in the sidebar under Places I have the usual listing of Desktop, Home and Documents but another file that's never been there before has appeared. How can I delete it permanently? Searching for the file name on the computer brings no results. It look like a zip file that ends with 3x.gz.
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Apr 18, 2006
today a wiered number appeared on my ical icon similar to that on Mail that notifies you of new messages. What is this and how do I get rid of it?
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Mar 21, 2012
I see several posts about a line across the screen suddenly appearing. The only advice seems to be to get the computer replaced. I'd like to avoid this, obviously, as it leaves me without a computer and with a lot of work to do reinstalling software on a new one. I have not had any problems with the computer, then I installed the firmware update a few days ago (I think it was an update from February? -- something like an "IOE update"?)Â
This morning, I closed the monitor and the fan kept running for minutes. I opened it up again and clicked "apple" > Sleep. And the display shut off. But the fan kept on blowing. Finally it shut off. But then it started back up. This happened several times. Finally I shut off the computer. Now, Sleep appears to work fine again.Â
Then this evening I was browsing Reddit and when I clicked on a link, suddenly a row of pixels went out (see picture). I, at first, thought it was some weird pop up. But it persists through restart, and permission repair, and logging in with different users. I tried playing with new desktop backgrounds. This worked at first, then, for some reason, the computer wasn't accepting new desktop choices. Logging out, then back in fixed the problem. But that is sort of weird too.Â
Are these issues related? Most important to me right now is this line across the screen. Incidentallly, at first the line was of varying shades of gray. Now it appears to be black.Is there a way that Apple can simply put my current hard drive into a new computer for me? This is a late 2011 macbook pro.
Info:
MacBook Pro, Mac OS X (10.7.2), 8gig ram, 17 inch
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Apr 20, 2012
A small (about 1 inch square) blank, white box has appeared at top left-hand corner of my screen. Nothing seems to shift or remove it - cursor doesn't seem to recognise or register on it. I first noticed it soon after I'd had to re-start the Mac (it failed to 'fire up' as usual the other morning), but I can't remember exactly what I was doing when I first saw it.
Info:
iMac, Mac OS X (10.7.3)
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