Lines popping up all over the display

I've got the late 2006 White IMac Intel Core 2 Duo.
I've got these horrible lines coming up all the time. It was dealable for a while but I recently moved, and since then it had gotten much worse, and not very good performance. I just erased the hard drive to start fresh, I'm pretty much just using it for streaming videos and now it stalls constantly and the lines are getting worse. My guess is a bad logic board? Anyone got any other thoughts of what it could be or how I could test it?
Thank for any help

There are a couple of threads on this issue.
I have a late 2006 imac (24" screen) which was experiencing these problems -- lines which were contained to specific windows -- other graphic anomalies -- intermittent freezes as the lines increased. It got quite bad about 3 weeks ago and the computer became virtually unusable.
Genius bar was unhelpful after I shlepped the whole thing in -- suggested doing a clean reinstall of system and also (after my query) suggested replaced the Video Card -- which wasn't in stock anyway.
At any rate, I brought the computer home -- searched the forums and read threads. Based upon MANY suggestions, I downloaded smcfancontrol which increases fan speed and decreases the temperature of the computer. Fingers crossed my problem is solved -- no lines and no freezes since then.
I certainly would recommend trying it before doing anything more drastic. The problem seems to be particularly acute with NVIDIA GeForce 7300 GT graphic cards -- perhaps they are more heat sensitive -- perhaps as they age, they become more heat sensitive. That it is heat related (at least for me) is also supported since the computer "crisis" occurred during the first heat wave so the ambient temperature of my condo was higher than it's been in many months.
At any rate, it's a simple application -- if it doesn't work, you haven't invested much but it worked for me and a lot of other people with the identical issue.

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Sounds like a hardware failure. Make an appointment at an Apple Store to have your device examined by a technician. Or contact Apple Support.

LINES AND DOTS ALL OVER THE SCREEN!! ... AGAIN!

howdo,
I recently got a new 20" intel mac, after less than 24hrs the display has all kinds of weird lines and dots all over it, it kept flickering. Funny thing was that if the machine was then turned off, after about 20mins everythin went back to normal. This happened a few times and after a couple of call to Apple the machine went back, they replaced it with a nice new one ... problem solved??
Not quite!!
The second machine has been fine, after almost a month with no problems the dreaded lines/dots and flicker have reared up. I thought maybe it was something external causing interference, so removed my sound sticks and all other electrical stuff like lamps etc but it is still happenin intermittantly.
Anyone got any ideas?? or am I gone end up throwin the thing out of my window???

Ok
The only peripherals were Harmon kardon soundsticks, these have been removed, and a canon printer. The printer seem to be fine. Other electrical stuff in the room includes:- 2 READING LAMPS/ AN IBOOK G4/ POWERBOOK G4/ AN ADVENT LAPTOP/ ANOTHER CANON PRINTER.
I cant understand how these would affect the screen but its gotta be something like eh.
The only software that has been added is IWORK 06/ MICROSOFT OFFICE MAC/ MACSWORD.
The problem usually happens when the mac is left asleep rather than closed down or if it is left on without being used????
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Horizontal stripes flickering all over the display?

Dear Apple Users,
I have a macbook pro 15 late 2008 unibody.
I have two videocards in it 9400 and the 9600.
I do have screen problems there are horizontal stripes flickering all over the screen.
They do get more visible when i have dark background.
These stripes arent even staying for a second they come and go and are hardly visible.
I do have apple care i just brought my macbook to apple they have replaced the display (im very thankfull)
But the problem still not solved it is conned to a apple cinema display 30 and now the stripes are also visible on my cinema display.
Is anyone familair with this problem? Could it be my videocard? Or something else?
Kind Regards,
OG

I doubt that you have a software 'bug' - looks more as if you're having a problem either with the GPU, the screen or the connection between the two.
Since you're still under warranty, I would advise that you take your machine to your local Apple Store or an AASP and have them diagnose and fix the problem. I don't believe that it's anything that can be remedied via software.
Sorry,
Clinton

What else do I do when it freezes up and lines show up all over the screen?

I'll show you what I mean.
(Was watching a music video)
Whenever I watch a video/tv show I can see the video clear at first,but after a couple of seconds my iPod freezes up and lines show up and spread all over the screen. I already reseted it. I did that a couple of times already. What else should I do?
I just bought my 30gb iPod Video on Monday. Should I return it? What happens if I do? Exchange it for a good one? What will it cost me?
I'm sorry if this topic has already been posted before,I'm new to this forum,so I don't really know.
I need help while it's still early.
Windows XP
Windows XP

You can try restoring your IPOD wipes everything out and then you reload everything back on. Read this:
Restoring IPOD to factory Settings - http://docs.info.apple.com/article.html?artnum=60983
Were your music videos bought through ITunes?

Stripes all over the display

Hey guys!
I'm new here!
I just want to share something. Since the install of OSX Mavericks my MacBook Pro acts strange. The waiting ball a.k.a rainbow sometimes pops up out of nothing. And some other bugs.
But today i closed the lid and after a few mins i opent my lid and there it was. All kinds of colours and stripes over the screen. Did someone else experienced this problem? The mouse pointer is clearly visible so this means this is an software bug.
Maybe there is something serious? I restarted the MacBook and it works great after that.
Sorry for the bad grammer, English is not my main language.

I doubt that you have a software 'bug' - looks more as if you're having a problem either with the GPU, the screen or the connection between the two.
Since you're still under warranty, I would advise that you take your machine to your local Apple Store or an AASP and have them diagnose and fix the problem. I don't believe that it's anything that can be remedied via software.
Sorry,
Clinton

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Highlight all teh tracks for that album, right-click > Get Info.
Say yes to changing multiple items.
Type "Kid Rock" in the *Album Artist* field.
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Could you:
(1) Visit the Windows Control Panel, Uninstall a Program and click the "Installed on" column heading to group by date. I suspect you will find unwanted and probably undisclosed bundle items (AKA garbage) that snuck in with some free software. Remove what you can.
(2) Scan using some of the effective free cleanup programs listed in our support article: [[Troubleshoot Firefox issues caused by malware]].
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I am getting ads popping up all over the place. I tried Explorer and don't have the problem. I deleted Firefow and reinstalled but get the same problem. I did a full scan of my computer with my security software. I have switched to Explorer because I don't get the problem there. I would still prefer to use Firefox but can't.

This will be a 3-part answer... I'm assuming this problem in on your Windows 7 system.
'''Part I'''
The most common culprit is a bad add-on. Here's my suggested procedure for tracking down and cleaning up bad add-ons and other ad injectors. I know it seems long, but it's not that bad.
(1) Open the Windows '''Control Panel''', Uninstall a Program. After the list loads, click the "Installed on" column heading to group the infections, I mean, additions, by date. This can help in smoking out undisclosed bundle items that snuck in with some software you agreed to install. Take out as much trash as possible here.
(2) Open Firefox's '''Add-ons page''' using either:
* Ctrl+Shift+a
* "3-bar" menu button (or Tools menu) > Add-ons
In the left column, click '''Plugins'''. Set nonessential and unrecognized plugins to "Never Activate".
In the left column, click '''Extensions'''. Then, if in doubt, disable (or Remove, if possible) unrecognized and unwanted extensions.
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Any improvement?
(3) You can search for remaining issues with the '''scanning/cleaning tools''' listed in our support article: [[Troubleshoot Firefox issues caused by malware]]. These on-demand scanners are free and take considerable time to run. If they finish quickly and especially if they require payment, you may have a serious infection. I suggest the specialized forums listed in the article in that case.
Success?

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You can also boot into Safe mode
To start up into Safe Mode (to "Safe Boot"), do this:
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   2. Press the power button.
   3. Immediately after you hear the startup tone, press and hold the Shift key.
      Tip: The Shift key should be held as soon as possible after the startup tone but not before.
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During the startup in Mac OS X 10.2 through 10.3.9, you will see "Safe Boot" on the Mac OS X startup screen.
During the startup in Mac OS X 10.4 or later, you will see "Safe Boot" on the login window, which appears even if you normally log in automatically.
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Lines popping up all over the display

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