Vertical Lines only

I have an Mac 12" Aluminum power book where the screen is not functioning properly. When I boot it up, the display turns on, usually a blueish screen with vertical line in the display that seem to represent the horrizontal postion of text that should be on the screen. As I move the mouse, these vertical lines move laterally in sync with the mouse movements.
Is there any way of determining if the problem is with the cable or inverter board or the LCD???
Thanks
Bob

Hi Bob's. Connect an external monitor to the Powerbook. Does that show the same thing as the built-in display? If so, the video circuitry on your logic board has failed, and the logic board will need to be replaced. If the external display looks fine, you have a problem with the video cable leading to the built-in LCD or with the LCD itself. If changing the display's tilt angle has any effect on what appears on the screen, the cable is probably pinched or chafed where it passes through the dsiplay hinge. If not, the problem is more likely in the LCD.
If your built-in display is backlit, your inverter is fine.

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Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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corrupting process that apparently occurs when I
export my project to a DV clip.
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http://bjango.com/mac/istatmenus/
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I hope this helps.
Please click the Thumbs up icon below to thank me for responding.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Sunshyn2005 - I work on behalf of HP

Vertical Lines Appear Only in Full Quality DV File

I've had problems with vertical lines, detailed in another topic. This problem is different & very specific: My project has no vertical line problem, until I export it into a Full Quality DV file. The FQ DV file has vertical lines in the first photo of the clip when played in QT 6.5.2. I've deleted the DV file & re-exported 3 times, to no avail. Remember, the original project file has no problems.
It's not like I could do in the original project: Focus on the offending first clip. That first clip is now embedded into a DV clip with all the other clips. Do I just duplicate another DV clip & go thru the usual procedure to eliminate a clip with vertical lines? But, even if I delete the corrupted clip, I cannot replace it with a clean clip, due to the corrupting process that apparently occurs when I export my project to a DV clip.
Should I include a clean KB still at the beginning of my project before exporting it to FQ DV? If so, how do I delete that clip from the DV clip? It seems to me, once you convert to a DV clip, all bets are off re: editing individual components (clips) that make up the DV clip.
Any thoughts, anyone?

I've had problems with vertical lines, detailed in
another topic. This problem is different & very
specific: My project has no vertical line problem,
until I export it into a Full Quality DV file. The FQ
DV file has vertical lines in the first photo of the
clip when played in QT 6.5.2. I've deleted the DV
file & re-exported 3 times, to no avail. Remember,
the original project file has no problems.
It's not like I could do in the original project:
Focus on the offending first clip. That first clip is
now embedded into a DV clip with all the other clips.
Do I just duplicate another DV clip & go thru the
usual procedure to eliminate a clip with vertical
lines? But, even if I delete the corrupted clip, I
cannot replace it with a clean clip, due to the
corrupting process that apparently occurs when I
export my project to a DV clip.
Should I include a clean KB still at the beginning of
my project before exporting it to FQ DV? If so, how
do I delete that clip from the DV clip? It seems to
me, once you convert to a DV clip, all bets are off
re: editing individual components (clips) that make
up the DV clip.
Any thoughts, anyone?
Since I started three topics re: vertical line problems & now that, with help from all of you & my own struggles, I've solved the problem(s), I feel I owe an explanation of where I am now.
I thought all the stills I made to extend the duration of the KB clips in my projects were themselves KB clips. Not so. I did not render these clips as KB clips. Therefore, using these clips as place holders had no effect in removing the vertical lines.
Thanks to all for their time, expertise, & patience.

My Imac has black and white vertical lines

Riddle me this Apple...
A few months ago, my 2008 Aluminium 24inch Imac locked up and exhibited space invader style pixels all over the screen.
After rebooting, it was fine for a while and then it would freeze again and I'd get the same Atari style pixels appearing, and everything would be frozen.
Then, most reboots after that, I would get vertical lines in groups of three, alternating black and white squares as in the photo.
I called Apple here in South Australia, and they said "it's your graphics card, and it will cost $400 to fix and we need it for a week".
Not wanting to do that, I bought a $15 firewire cable, booted the Imac in T mode and used my PC laptop running macdrivepro to save all my files onto a 500gig backup drive, and then proceeded to fix the corrupted kext files and most importantly delete the recent flash player update which I believe was causing the problem.
Booted her back up, and she ran perfectly. For a few weeks, until it started again.
So I re-installed the Leopard operating system from the original disks, and that fixed it. $15 is better than $400.
Now, a few months have passed, and the problem had come back again, now that I have added more stuff on my computer.
This time however, I chose to wipe the drive completely and do a fresh install of Leopard, and then upgrade to Snow Leopard.
The problem is that it won't boot from the CD drive anymore, won't boot from a thumb drive, won't boot in any mode except T mode, but then it has these lines on the screen again and eventually I get the kernel panic happenning and it wants to be shut down.
Every time I start the computer, these lines IMMEDIATELY appear. I've tried resetting the Pram, tried changing memory and have now resorted to surgery.
I've taken apart the Imac, yes I hear you Apple...you guys thought that we mortals wouldn't delve into the depths of your finely machined systems, however, some of us do own micro torx head tools to remove those pesky screws, and yes, a razor blade does lift up the magnetically attached screen glass without having to use suction pads.
So once inside the temple of doom, I removed the hard drive, and dropped it into a hard drive dock.
After days of messing around with it via four other MAC computers, running Tiger, Leopard and Lion, we have still not been able to install an operating system back onto this drive.
Does anyone have any insight into what these lines actually are? Every one I speak to says a different thing...
"It's the graphics card", "It's the hard drive", "It's the cable that connects the LCD screen", "It's the motherboard", It's the screen itself", "It's a corrupted bios" etc etc..
But if it's any of those things...then why did it run perfectly after I fixed it the first time?
Any and all help is greatly appreciated.

Hi BDAqua,
I appreciate you taking the time to reply, and for the suggestions.
My spider sense was tingling, as were my eager fingers to login and read your reply, in fact I was almost salivating at the thought of crushing those Apple reps with a swift blow from one of my megalithic old 4gig internal drives, or better still, perhaps shooting my old DX266 sporting a massive 256k HD and 4mb of ram, fully loaded with Encarta and Windows 3.11 out of a cannon and straight into Steve Jobs bedroom window, with a note saying..."How'd ya like them apples..".
But alas, my Aquatic friend, I am in need of a functioning operating system to be able to do any of those magical tricks you suggested (insert frown face here)..and yes, when I finally opened up the Imac and peered inside, a moment not unlike Indiana Jones peering down into the depths of the Well of Souls, I suddenly realised that an Imac might look impervious to heat vision and thermonuclear devices on the outside, but inside they can still gather as much dust as my infinately useless ZIP drive that I bought back in the late 90's, thinking it was the best thing since the invention of microsoft paint...awesome program by the way guys..
Getting back to the problem at hand, the issue really is that I have, perhaps stupedly, reformatted the 500gig WD drive via a hard drive dock, which is really a lot like one of those early 1950's cassette drives you find in vintage cars..
And upon returning the drive to the Imac and re-assembling it WITH REAL SCREWS, not titanium-alloy fingerprint encoded ones like you would expect to find in Iron Man's suit, I could only boot the poor thing into T mode. No other modes were available, and believe me, I tried all of the alphabet...even the "C" button, which if you ever watched an episode of Knight Rider called Knight of the Juggernaught, did not turn my computer into a convertable..
By now you're probably sensing that the irony of all of this is that I am typing this message on my Windows 7 upgraded HP laptop, which sounds not unlike a jumbo jet taking off at times, the fans are so loud, and among other things, it keeps telling me it is not genuine, even though I paid good money for a proper copy to free me from the painful experience which was Vista, and so in a sense, microsoft is playing a small part in the desperate rescue of it's far superior, yet broken down and busted arch enemy...I bet somewhere in it's RAM, it is smiling in little ones and zeroes, while it hides behind a free copy of AVAST, hoping one of a billion nasty viruses don't come knocking on the kernel door..
The next round of drinks goes to the man, woman, child or droid that has any other suggestions that could allow me to participate in some of the ideas put forward by our very knowledgable watery friend..as alas, I do not have any of those options available to me.
Today's assignment is.. how do we install an operating system on a formatted external drive. Sounds easy doesn't it...I've read many articles, but in practice it's proved as elusive as Bigfoot.
I just cannot make this hard drive understand that there is no spoon...
EdStraker

Vertical Lines only

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