PowerPC :: PowerBook G4 Displaying Black Lines?
Mar 2, 2010
I've got a friend with a 17" PowerBook G4 that's suddenly started displaying a vertical strip of black lines about 2" wide. Any idea what's causing the problem? I've seen plenty of pictures of PowerBooks with pixel-wide strips of a single color, but none that show black lines. Something else to note is that the problem area is displaying a shadow of the previous window that was there (ghosting).
He's tried all the usual, from rebooting to rubbing the problem area to pressing the metal strip above the keyboard to try and reseat the ribbon cable.
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Oct 19, 2009
my macbook pro has been freezing and crashing lately. the screen ends up looking like this: [URL]
i have checked/repaired disk permissions.
not sure what could be causing this problem.
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Dec 30, 2007
Lines on calendars are not showing. Nor are the input box outlines on websites.
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Jul 13, 2007
I put my PowerBook to sleep and left home with it about an hour ago. I just opened it and it woke up but the screen was black. I turned it off and back on. The white screen with the apple and progress wheel came on for a normal period of time, but then the screen went all white and there were several uneven horizontal lines across the middle and froze there. I forced a restart and the same thing happened but this time I got the semi transparent window that says need to restart. I did that and I got the same screen without the message.
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Jun 3, 2007
My friend gave me his ibook 900mzh that was not displaying because he did not know how to fix it so I took a stab at it. I am not new to fixing computers as it is my profession but I'm new to Apples. Anyway, the first time I turned on the laptop the lcd displayed without any problems, every time after that it turns on randomly. After taking it apart about 3 times for various reasons and mistakes the laptop now displays every time I turn it on, but if I apply any type of pressure to the lower left side if the laptop the screen either goes black or gets small lines running through it. From what I have learned the only possible conclusion that I could come up with is the magnet that tells the ibook if it is open or closed has something wrong with it. It feels almost as if whenever there is any pressure around the hard drive the screen goes black. Any ideas, or tests I could do to fully determine the problem?
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Dec 21, 2006
I've got an older 15" powerbook running Mac OS X 10.3.9 (i think). Lately my computer screen randomly turns itself off, the whole think going black, like it was asleep or off, but the computer keeps running just fine. Like i might have itunes playing or be burning a disc and that goes on just fine. The computer itself stays running. What I've been doing is putting the computer to sleep by closing the notebook, letting it rest for a few seconds and turning it back on by opening it back out. This fixes the problem for anywhere from 5 seconds to indefinitely, until it happens again. Lately its been happening more. The computer is 4 years old, but the model itself, probably 5.
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Sep 10, 2010
It's a PowerBook G4, 15" model A1046, and this is what's going on.
Powers on, checks combo drive, gongs, no flickering or lighting on screen, period.
Tried a PRAM reset several times but it NEVER gongs a second time. I tried booting to Open Firmware and typing mac-boot, blind, but nothing. The keyboard clearly works, as the caps lock light works.
The hard drive spins up, the fans run at normal speeds, so everything else is clearly functional.
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Jun 1, 2007
Just realized that Apple is selling the black MacBook for the same price as the 12" PB before it was discontinued ($1499). Considering the PB was aluminum, no wonder Apple is making so much money...
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Aug 19, 2008
recently my powerbook g4 has been doing some funny things. ..--Sometimes it won't turn on when pressing the button but eventually it will. --The computer would not book up earlier and would just stay on a white screen, like the white screen you normally get when booting but without the apple logo.--When my computer eventually booted it worked for a couple of mins and then the screen went a tinted black colour and a box came up in the middle of the screen saying i need to reboot (the box had a power logo for the background)--Then i rebooted and as i was rebooting a black screen came up with lots of writing in white. A bit like on a windows pc.
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Jun 15, 2010
I have this powerbook from 2005 and no problems up to now..ohhh no!
A couple of days ago started to occasionally make a clank clank noise and getting stacked on the spinning colour circle, only manual restart would do it.
Thought it might be the hard disk as it is a bit old and i never replaced anything on it, shacked it and a noise of something loose would happen, so i thought of opening it up and see if i could reattach anything loose....anyway i started unscrewing following instructions, couldn't get memory out...every screw seems different and so i gave up, put it all back together, praying that the screws are all in their right places and hey, now it wont even start, not a loose sound when shaken though, but not a bip not a light, black screen, nothing...only sign of life is the green light under the num block key and the capitals arrow also starts light
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Jul 21, 2008
This happened literally overnight a few months ago, and I'm finally getting around to assessing the problem.
This is a 15" Powerbook G4 Model # A1095
I turned it on one morning, and a black screen appears with the following message:
Apr 1 03:19:57 launchd: can't exec /bin/sh for single user: No such file or directory
I have the Software Install Restore Discs 1 & 2.
When I insert Disc 1, I hold down the C key, and the info pops up beautifully. I get really happy at this point. The steps it shows me are as follows:
Introduction
Read Me
License
Select Destination
Installation
I am able to get up to the "Select Destination" portion, where it asks me to "Select a destination volume to install the Mac OS X software"
However, there is nothing listed, so I cannot move on to the next step.
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Aug 31, 2009
I was just using my powerbook G4 12" when it "clicked", the screen went black and it will not respond. the power cable light is on, and I've tried another battery, but it does not turn on! the little light on the latch button that glows usually, is not on. What has happened to my Powerbook????! I don't have applecare but I imagine I will be calling Apple this morning unless someone can help here
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Mar 8, 2012
The screen on my Macbook Air just recently started to periodically display flickering lines. They are multicolored and stretch across the entire screen. Hardware test was ok, and console not reported any issues. MBA is "late 2010". Warranty ended January!
Info:
MacBook Air, Mac OS X (10.7.3)
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May 30, 2012
My trusty imac has started displaying pixelated thin horizontal lines?
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Mar 10, 2010
As you can see from the video there is a strange black area surrounding my windows, but only when there are "active," not when I click on the desktop. The iTunes window is unaffected. Additionally the Quicksilver command interface and the Dashboard have a discoloration which is very annoying. Do you know what could be causing this? This behavior goes away when I restart my computer but eventually comes back. I have not been able to tie it to a specific app yet.
This is on a white macbook that I've had for almost two years, but this only about one month old. It didn't use to happen very often but nowadays it happens almost every day.
Video:[URL]
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Mar 13, 2010
My MacBookPro 15" 5.3 worked fine until today, All the blacks (rgb 0,0,0) on the screen become red stripes.
When I boot into Linux or Windows the same problem appears, so it's probably a hardware problem.
I have no expensive adaptor to connect to an external lcd screen, so I don't know yet if the problem is in the mac screen or in the cabling or somewhere else...
Here are 2 screenshots of black squares a drawed in Illustrator, one taken on the mac (cmd + shift + 3)
one taken with a camera (where you can see the red lines)
I want to avoid the MacStore as I want to avoid missing my laptop for a month...
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Apr 18, 2010
See the pictures. They look almost like ink but no ink has been near the screen.Tried cleaning the screen but with no luck. It lies on top of any open window.
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Jun 15, 2010
recently i've been having problems on my mac as its begun to slow down drastically over the last few days and i've been seeing these strange outlines around some of my programs (see image).
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May 3, 2012
My Mac Pro crashed yesterday after it was reading an empty DVD, and now if boot the Mac it shows this screen:I have tryed rebooting it in safe mode, does not work, I get the same screen. Tryed to use a other monitor, same problem. Now, If I press the Eject button, the disc tray will eject and if I press the volume button it can be heard.Â
Info:
Mac Pro
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Jun 12, 2012
I've had my iMac for over 2 years now. Last Thursday, I left it on for more than 3 hours and it started having black and white verticals lines appearing on the bottom and top part of my desktop and the cursor. Yesterday, when I checked it again, it was still there! What can I do to fix it, WITHOUT going to a Apple store?
Info:
iMac, iOS 3.0.1, URGENT!
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Mar 12, 2008
Sometimes my MBP gets these faint black lines that seem to start at the bottom on the screen and fade away as the near the top of the screen. I took a picture. Anyone know what causes these?
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Mar 24, 2010
What is going on here? Should I be worried? And I searched. Voiceover is not on.
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Feb 9, 2012
Over the last few months I've started to notice my Macbook Pro (13" Mid 2010) developing display issues.. every now and then the screen will freeze and black spots/dashes/lines will appear on the screen.Â
My mac is fully up to date and I can't seem to work out why this keeps happening?Â
I've included some screen shots so you can all see what I'm talking about. Thoughts?Â
http://d.pr/r8VFÂ
http://d.pr/TQJ5Â
http://d.pr/45dD
Info:
Macbook Pro 13" (2010), Mac OS X (10.6.6)
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Mar 5, 2012
Simply using my Imac for watching tv on the web, Hulu, and left to help my wife get groceries in the house. My wife checked her email and closed Safari.
I came back in roughly 10 minutes from when she shut down Safari to see a black screen with white pinstriping, and the mac being totally unresponsive. Shut down and rebooted, sent off the report to Apple, and am now here with seemingly no problems.Â
Needless to say, as a photographer this computer is just about as important as my camera. Should I be worried? discovered the thread to this issue, which appears to be quite extensive.Â
Info:
iMac (24-inch Early 2008), Mac OS X (10.6.8)
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Jun 29, 2014
When I start up my macbook pro white and black lines appear for the startup screen in bunches. After that the screen is black but the keyboard is lit up and you can still hear the sounds of turning up the volume and music can still play.Â
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Nov 15, 2006
I am leaving for a week long trip and many parts of it will not be able to run the computer off of the powercord, which is a problem because I get about 40mins of wordprocessing use out of it when I run the battery alone. Can someone explain what the significance of these levels are for my Powerbook G4 15'' (Alm) 1.25GHz, namely the cycle count and full charge/remaining capacity?
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May 10, 2012
I have some spreadsheet data as comma-separated values text files (.csv), and some .xls files as well, but when I open them in NeoOffice or a spreadsheet application all accented characters are being displayed as black diamonds with question marks in them. In TextWrangler, they appear as screwy letter combinations, no diamonds in that case. Someone viewing the same file in Windows though sees the proper characters. I don't understand character encoding very well at all. How I can open or convert these files to use the proper encoding? I'm opening them in NeoOffice as UTF-8 but the Mac's native encoding of Latin-1 or whatever is messing things up.
Info:
iMac, Mac OS X (10.6.8), 3.06 GHz Inter Core 2 Duo, 6GB RAM
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May 14, 2012
I have a 2007 MacBookPro. shortly after installing Lion 10.7.3 and VectorWorks 2011 I started getting vertical blue and black lines across my screen on startup. They remain with in the apple while the computer boots and the everything freezes. I tried all of the usual fixes, recovery, safe boot, reset PRAM, battery, etc.When I tried to boot of a system disc I get a message sating that I need to restart my computer. Upon restart same problem occurs. 2 months ago I took the whole thing apart and cleaned out the guts. Reconnecting all cables back together, I came across, what I think is the camera cable. Since my camera has been erratic, i decided to test the problem with it connected and then disconnected. Connected same problem. Once i unplugged the camera everything went back to normal, until now. The same problem returned. I cleaned out the guts again. This time I unplugged the hard drive to try and boot off the C drive, but still get the same problem. This morning It decided to boot up. I was able to copy my essential files onto an external drive.
Info:MacBookPro, Mac OS X (10.7.3)
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Jun 3, 2014
My Late '11 15inch Macbook Pro went bonanas today. When it starts up there all these black horizontal lines running across the screen jiggering jabbering everywhere and I see three apple logos (due to GPU glitch I am guessing) after loading everything goes white and my laptop heats up and battery dies within like half an hour. I was bummed but then like after restarting a bunch of times and recharging my laptop it starting up normal again! I was super happy, but then it experienced the same crash next time the battery died. So, this has been going on and off;
Info:
MacBook Pro, Mac OS X (10.7.3)
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Jun 17, 2014
I recently got my laptop back after the logic board was replaced and now black lines with white text keep appearing on the screen. When this happens I cannot do anything except hold the power button in to reset.
Info:
MacBook Pro, OS X Mavericks (10.9.2)
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