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Hi Maloney,
First things that come to mind are just the basics: Reset pram: hold down cmd-option-P-R keys just after starting up. Keep holding these down. You will hear the startup chime again. Keep holding until you hear the chime three times. This has worked for me in similar situations, but I don't know why because it shouldn't work: hold down cmd-option-a-v at startup. It's an old key command for use with AV monitors, but desperation makes odd fixes look more appealing... Reset the PMU: see this page for directions for your exact model of iBook: http://support.apple.com/kb/HT1431?viewlocale=en_US Try starting up with the CD that came with the computer: Put the cd in and hold down the C key when you start/restart. Look through Apple's support pages if you haven't already. You might find some answers there. Good luck!
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hi i got the same problem, my g4 laptop turn on and everything but the screen wont turn on, when i restart it got the noise and the cap lock and num lock got the light but the screen will not turn on, can some one please help me because i need this for my school work! |
I have the same problem, I just had a friend that works on Macs work on the computer he replaced the fan, and put got me going again, he did solve 1 of its many problems... but I still have the problem where if I use it, the iBook G4 freezes after no more than 10 minutes of use. I restart it and I get this black screen, I get the right sounds by no action, I've tried everything.... Im starting to think this model is used up. I am 80% set on buying a new computer come the end of September, I hear around Sept 26 they are coming out with a new model. So I guess you could say I have given up.... I need my Mac to work soooo badly, but its out of my hands. By the way, I have to wait a couple of hours then it starts up... but freezes after 10 minutes of use. I can leave it on and run NOTHING, and its fine. |
I got the same problem. The computer froze while using iTunes and then when I restarted I just keep getting a blank screen. I tried everything above and tried resetting using Shift-Option-Command-Power held down for 5 seconds. I got long beep and then the startup at least went until I got the Apple, but the startup wouldn't go any further.
Anyone have ideas? |
Add me to the list as well....and exactly 1 month to the day after my Applecare expired....
I was able to get back to the desktop to back up anything that wasn't already by repeatedly resetting the PRAM and the PMU. I am pretty sure that this is hardware related though, so that will only work for so long. My basic knowledge is telling me it is the logic board. Luckily, I am getting married next week and will therefore be broke for the next 6 months or so, so I guess I should get used to a computer free life at home!
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Dude, my friend just called about his iBook display failing. I gave him the old (Cmd + Opt + a +v) trick and it blew his mind. Made me look like a god thanks to you. I told him to call if he's got anymore brainbusters.
:) Thanks again, saved his butt while he's on tour... Will |
I think I found a solution, albeit a temporary one. After reading the article in the following link:
http://www.coreyarnold.org/ibook/ I placed my ibook on my knee and gently pushed down on both ends while booting up. According to the article, a chip from the logic board lifts from the board causing the problems. By using something (my knee) to push from the bottom while pushing down with my hands, my machine magically booted.When I took the pressure off, it started to fail, but as long as I kept my knee in place, i was able to boot up and save my important files. The article talks about opening the back of the mac and placing a shim between the bad chip and the back cover. This extra shim pushes the chip in place when the cover is put back on. It certainly is not a long-term permanent fix, but it is enough to get your files back and maybe work for another few months. S
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hey there,thats very interesting.i have put it on my knee as it says and yes it does give me a screen again,but its still that tv liney thing,has it worked for you?
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i got it to goto my password that time,then the galaxy screensaver thing came up for leopard then it crashed,but hey its the best progress iahve seen in months and months,well done to all involved.i feel quietly confident that it will work again if i try putting the wedge under the board.is it risky? |
Wow! Cmd+option+A+V did it on my 6 year old iBook G3. Got the blank screen of death after some crazy lines across the screen. Couldn't get it to come back. I know that a weak battery can cause this too - as it happened with my G4 iBook and has not happened for a year with the new battery. What a lifesaver |
I'm having the same problem. colored lines, blacked out screens. Resetting the PRAM worked for a while, then when that stopped i did Ctrl+Cmd+Power, and that also forced my screen to come on occasionally. then it stopped completely and i wasn't able to turn it on until i took out my battery. I am still getting the colored lines, but my computer won't get them as long as i have it on a flat surface and don't move it at all. The second i move it the colored lines come back and it freezes. It works as long as i don't move and I think its worth because i can use it. I also had the loud fan, and the bottom left side of my computer would get very hot suddenly. I really hope this works for you as well! |
I forgot to mention--it WAS turning on with noises-by not turning on i mean no screen.
sorry! thanks |
Hello everyone.
I woke up this morning to find my ibookG4 (2004) doing this to me: http://img.photobucket.com/albums/v166/boilingchill/Image124.jpg Everything seems normal (sounds, chimes) and when it starts up, it changes to a blue screen for a second and then reverts back to the static lines. I belive it actually starts up properly. The only catch is all i get are lines!!! I tried using the VGA adapter to connect to another monitor and its the same so i reckon its not the display. I also did the cmd+option A+V and P+R method to no avail. I know I'm really silly for not backing up my files and all but all i need is for it to work for about 30 mins for me to back up all my pictures and work (yes yes i'm a sentimental dude) and i can throw it off the 10th storey. Any ideas anyone? :( |
This was a VERY helpful thread. My G4 laptop is doing the same thing; first had the technicolor freeze, now black screen. Has any had their laptop repaired through Apple? I'm wondering about how much is the cost for the shim fix, etc. Sure how the Square Trade warranty is enough to cover...
Thanks! thnkdffrnt |
Résultats pour my g4 ibook screen won't turn on
Résultats pour my g4 ibook screen won't turn on
Résultats pour my g4 ibook screen won't turn on
Résultats pour my g4 ibook screen won't turn on
Résultats pour my g4 ibook screen won't turn on