vertical, coloured lines

Hi,

I gues the "partially" remedy to that is in this Thread!

http://discussions.apple.com/thread.jspa?threadID=559393&tstart=60

A friend of mine had that problem this morning with his mb, and was solved by doing that procedure!

Cheers!

Well, i've got the same problem with my 1 week old MBBlack.

I tried to reset the PRAM and work until the next restart.

A friend of mine said to RESET THE PMU and it works fine to me. Well, I'm still testing but it seems fine. But I am worry now, 'cause I'm affraid this problem will happen again. Should I go to store soon as possible or is this a temporary problem that can be repair by software?

This is the link to RESET THE PMU: http://docs.info.apple.com/article.html?artnum=303319

And this is the link to the video of my MB: http://www.youtube.com/watch?v=kNYCkQb8H7Y

MacBook 2.0 Black Mac OS X (10.4.7)

MacBook 2.0 Black Mac OS X (10.4.7)

Hi, me again, I had a look around and found this page on the Apple website.

http://www.apple.com/support/ibook/faq/

Check it out you may be able to get a Logic Board replacement, cost covered by Apple. It apparently covers certain iBook models that were made 3 years ago!

I had a similar problem with vertical colored lines that came up on a grey screen on start up. I got rid of the problem by resetting the PRAM pressing the "Comand-Option-P-R" keys together on start up.

I am assuming that the problem started after I updated to Mac OSX 10.4.7. I not very sure though, if thats the actual cause of the problem.

Hope it works for you too.

I have the same problem. Resetting PRAM is the only way to boot and it only works on that boot. If the system is off for more than maybe 5 minutes, I'm back to the vertical colored lines. Multiple reboots in a short amount of time are ok.

I upgraded both my white macbooks last week the day 10.4.7 came out using the combo installer and one is working fine but the other developed this problem today.

I ran the extended hardware test which came back ok, and also reset the PMU.

Anyone have any other thoughts? I'm going to the apple store tommorrow to see if they have any suggestions.

Well, I have a theory and a possible permanent fix.

My theory is that 10.4.7 somehow broke how the pram gets updated/saved. I ran nvram -p in a terminal on the problem macbook and it came back only with a value pertaining to speakervolme. I checked my functioning macbook and the same command returned a couple of extra boot parameters. I tried to set the startup volume disk from the preference panel but it didn't help, I could still reproduce the problem it at will. What did seem to help is setting the startup volume from the OSX Boot/Install DVD (10.4.6). I've succesfully rebooted at least 15 times and the problem hasn't reoccured. nvram -p now shows the boot values set.

My other macbook has been upgraded to 10.4.7 but still doesn't have the problem.

I'd be interested if someone else can try this out who is having the problem. At least what the nvram -p shows.

nvram -p in the terminal gives me :

SystemAudioVolume w

I should say though, that yesterday night when I started getting the llines once again on start up, I reset the PRAM 4-5 times continuously, and after that i have restarted my MB 6-7 times with no problems.

Hey guys,

I would like to point out that, while zapping the PRAM is a great quick fix, it is most certainly not an acceptable form of fixing the problem.

The problem, as we can be 99% sure of, is that Apple has released a faulty OS that has adversely affected our MacBooks, and has caused us all some considerable worry and stress.

The most obvious solution is to wait for a patch in the next OS release (10.4.8); and all we can do is make sure that they are aware of the problem (which I'm sure they are).

As one of you pointed out earlier, another possible fix involves reverting to 10.4.6. I would highly discourage that any of us do such a thing; because it is not US that should be suffering or making change for a problem that is most clearly APPLE'S fault.

I would prescribe a march straight over to your nearest Apple Store; but when you get there, please make sure that you show them this STILL unanswered forum, and don't let them make you think that this is in any way your fault. IT'S THEIRS


One last thing. In response to "nvram -p = SystemAudioVolume w; in the case of 10.4.7." Have any of you observed, that when you press the mute button on your keyboard that only the bezel panel (the square, grey, box that appears and shows the level of your volume) responds to the key; while the icon in the upperright corner stays the same.
I never really gave it much thought until I saw "SystemAudioVolume w." Connection, or coincedent?

Thank you,
ClyPinto

I've also been having this problem and from what I can tell it is most likely 10.4.7's fault - only in that it did not occur under 10.4.6 - though that does make me wonder why it is not a more widespread issue. Wouldn't a software flaw of that sort make this boot problem occur on far more MacBooks?

In any case, for the time being I am doing PRAM flashes several times a day to keep the startup working properly, but this strikes me as an unacceptable and only temporary solution. I do have a case open with AppleCare about it and they were very interested in hearing more and determining whether it could be reliably reproduced.

I'm certain that this is a more widespread issue than we believe. I've searched the web, and it seems that there's a concensus that this is an issue isolated to 10.4.7. This is a software problem; but as far as I have read, there is something that we are all doing to trigger the effect accidentally.

I'm sure that Apple is aware of this flaw; how could they not? They are a huge company that must go through thousands of diagnostics on all of their products both before and after release. If AppleCare wants proof, give them a link to this page, and let them see for themselves.

I know from experiance that AppleCare is (in contrast to their Oh-So-Friendly title) not so caring; and would much rather that we all just leave them alone.

They're gonna fight to keep a recall down, and they're also gonna fight to keep their money.

-ClyPinto

MacBook Mac OS X (10.4.7)

Of the two I had the issue with, my fix has worked and you don't have to reinstall 10.4.6 either. Just set your startup disk from the 10.4.6 install dvd and be done with it, takes two minutes.

Of course you should also open a case with apple to let them know how widespread this problem is but for now if you already installed 10.4.7 you can have a normally functioning macbook back in short order (assuming you're not having any other issues).

White Macbook Mac OS X (10.4.7) 2.0GHz | 2GB RAM | 100GB 7200RPM HD

hey, i just bought my macbook 2 days ago, when i turned it on for the first time the line (i only have a thin blue line on the right hand side of the screen, not as bad as yours but still annoying)wasn't there then it automatically told me to update all the software on it so i did and i downloaded and installed the 10.4.7 mac os x update, when i restarted and logged in the blue line was there i tried restarting and that didnt work, d'you think i should re-install the MAC OS X cd i got with my macbook or should i wait for them to bring out a new update for it (how long will this take though??)would be grateful for some answers.... letti

I think that your blue line is a hardware problem, totally unrelated to these "login lines."

At some point in time, too much pressure was applied to the right side of your screen, causing two layers to fuse together and cause the line. There is nothing you can do software wise; but you can still get a full refund/replacement. Just go to an Apple store.

-ClyPinto

This happened to my computer as well, except none of the temporary fixes worked for me and I was unable to boot up at all (not from the CD, not even in firewire target disk mode). I sent my computer away a few days ago to get it fixed. I'm really interested to hear what the problem was when I get it back.

One more here. First two times it happened, zapped the PRAM and that took care of it. The last time, nothing helped. I took it in to the Apple Store yesterday and the only thing that they commented on was that the bezel was loose. It's been sent back for repair.