PowerPC :: Powerbook G4 Is Really Hot And Doesn't Turn On?
Aug 1, 2009
It just started getting really hot quickly for about a week before it didn't turn on. I would have it tilted so that its not flat, hoping that it would give it more air but it didn't do anything. I don't even need to do much to get it really hot. And I shut it off every night, so it should get to reset itself. I haven't done anything different that I haven't before. Any fixes please!? Also what's really weird is that it gets hotter and hotter even when it is off and not even plugged in.
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Sep 30, 2006
I'm trying to record something through the internal mic (and I'm too cheap to go out and buy a proper mic) and I was wondering if there is anyway through Terminal,or an external program, to force the fans to shut off for a certain period of time? I don't want to turn them off to find they can't turn back on and suddenly the computer is 1000�...I just want to keep them off to have a minimal amount of background noise. (And, yes, I'll be running it in a moderate climate so the computer doesn't overheat).
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Sep 7, 2007
I've upgraded my HD two days ago. Today my PB suddenly turned off and won't turn back on. All the connectors are in the right places and nothing looks wrong inside. I have no idea what's happened.
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Oct 14, 2009
I have a PowerBook G4 1.67 that shut itself down sometime during the day yesterday, and will not power back up. It's completely unresponsive to the power button, with no signs of life whatsoever.
I've tried resetting the PMU. There has been no new hardware or software installed. This has been tried with 2 batteries, and 2 AC power supplies.
There is inconsistency with the color of the AC power supply tip, as it doesn't seem to indicate the strength of the battery. Regardless of which battery or how much charge is left, the tip is Green, and will flicker Yellow very quickly once, when plugged in. It was Green following the initial shutdown, Yellow when I placed a dead battery in it, and then eventually turned Green. Now, it seems permanently in the Green / flicker Yellow state.
It did fully charge one battery while like this.
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Nov 26, 2008
Does anyone know if there's anyway to turn on an aluminum powerbook without the power button? I mean is there any keystroke combination that can turn a powerbook on?
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Oct 16, 2009
I recently purchased a Powerbook G4 1.5Gz 12" but it will not turn on unless it is plugged in. once turned on, i can unplug it and it runs on its battery just fine though?? it also can't seem to remember the date and my internet connection each time i turn it on.
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Jun 26, 2008
Got a 4 year old 15" PowerBook with a small history of battery issues. Its on its 3rd battery that is on its last leg. It can't be unplugged for more than 5 seconds or it shuts off...been this way for months. Well today it shut off and won't turn back on. Do I buy yet another battery or is my pb dead?
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Aug 12, 2009
I bought a powerbook off ebay, it worked but on startup occasionally a folder icon would appear. I rebooted from the original discs which seemed to do the trick. However the original discs are too old for many of my apps, so I bought some newer install discs (osx 10.5) I put the install disk in and got the panic message 'panic: Im hanging here'
The answer seems to be to run a disk repair (am i right?) However to do that I need to eject the install disc, I can't get the install disk out and of course it keeps tripping up everytime I start it. There is no secret little button to eject the disk manually. I have tried holding down apple and S but the install disk over rides everything and trips the mac up. I think ill be okay if I can just get this disk out.
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Oct 26, 2010
Some days ago i finally added a Powerbook g4 to my Mac collection and since then ive been trying to fix this computer without any results. The Powerbook had the battery dead at first and i had to replace it with a new one i had. Now the problem/weird thing is that the computer detects the battery but it doesnt charge. It has about 18% of the charge and when i try to boot up all i hear is like a fan sound and nothing more, no boot up sound and no image on the screen.
If i boot up using the power cable thats when i see the 18% of the battery icon, but as soon as i take out the power cord, the image goes black although the computer still makes sounds as if it was on. Does it have any solution? PS: ive tried to reset the PMU,changed the pRam for a new one, reset the Nvram.
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Sep 14, 2006
i dropped my powerbook and now it doesn't work. i charged it and tried powering it on but nothing happened. however i connected my ipod and it got charged.
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Jul 19, 2008
I have a problem...my 12" Powerbook G4 doesn't start up properly at the moment. I turn it on, I can hear the chime, and the screen goes grey but then does nothing...I've tried holding down C while starting up too, but still nothing happens, just the grey screen.
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Mar 8, 2007
I just aquired a PowerBook G4 (500Mhz) and it is dead. It will not turn on no matter what I try and when I plug in the power adaptor it glows a bright orange (almost red)...what does that mean?
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Sep 17, 2007
My powerbook doesn't always make the tadah sound when booting up, why is that?
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May 22, 2007
For the past few months i have been using an external display hooked up to my 12" powerbook g4. I have had it on a dual display mode so no mirroring. Recently i would open the laptop lid waking it from being in sleep mode and my internal display will not turn on. The apply system profiler does not even recognize that the internal display exists. My external display works fine and has always been set as the main display. If i go to detect displays nothign happens. I have tried restarting the computer, instering system disks, unplugging the external and nothing has worked. I simply cannot get my internal screen to fire back up. When i used to unplug my external display the internal display would switch back to being the main display and everything would be fine. Now i cannot get the internal display to function whatsoever. Please try and help me as a need this laptop working and i will be ordering a mac pro soon for use with my external display.
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Apr 2, 2012
my laptop (macbook pro) doesn't turn on, because the battery doesn't work (may be because of moisture), and the 7 battery lights on the left side are off, and when I plug the charger in, the light on the magnetic socket turns on so dim ..
Info:
MacBook Pro, Mac OS X (10.7.3), MC 700
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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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Jul 15, 2010
I got a powerbook G4 for free and the power button is missing, just wondering is there any way to power it on without the power button? i just wanna see if it works to see if it is worth getting a new topcase
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Mar 6, 2008
I'm having a MAJOR difficulty with my Powerbook G4 17" (1.67GHz) after replacing the Hard Disk...
I replaced the hard disk with a new 250GB one, and after putting everything back in place I put the OSX install CD in the harddrive and tried to turn the computer on...it wouldn't turn on so I left it for about 10 minutes. When I came back I tried again and it worked this time, and booted into the Open Firmware... then it suddenly turned off again. Then, about 2 minutes later again, it turned on again, and it went into the OSX installer. I partitioned the hard drive and was about to start the installation process, but before I could press the install button the computer turned off again. Now it has been like this for over 2 hours and refuses to turn on at all. I have tried resetting the PRAM but it makes no difference. I've tried taking out the battery and all sorts of things but nothing works. I'm at my wits end now
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Jan 4, 2009
Had (used) iBook G4 several months now & thoroughly enjoy it, even tho' I live in the sticks where there's no hi-speed/wireless available; I connect to internet & power, which is fine.
This weekend I went to turn off my iBook & it wouldn't turn off. It's now permanently on, with opening info barely visible (like I need to click on F2 to brighten up, except nothing happens).
Currently using my "back up" computer, my iMac Grape, which is pretty much an antique by now.
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Oct 15, 2008
My 12 inch powerbook does not start up. Instead it loads to Darwin. I have an install disk from a 15 inch powerbook G4 and I would like to know if using this would work on my 12 inch powerbook G4?
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Feb 8, 2009
My powerbook G4 recognizes my IPod cable and printer cable through the USB ports, but won't recognize any USB sticks or card readers.
Any idea what is wrong, and hints for how to fix it?
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Mar 31, 2010
I have set in my Energy Saver Prefs to have my display turn off in two minutes and have the computer never turn off while plugged in. I am running MBP with NVidia GeForce 9600M (I have the option to go to "Better Battery Life" and switch it to 9400 if I so choose.)
Is anyone else experiencing this problem? Can somebody try to replicate it and tell me if it's just me? This happened when I installed 10.6.3, .2 was fine.
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Mar 18, 2012
My MacBook pro 15 doesn't turn on, I pressed the power buttom but nothing, no sounds, no lights, no signals of life. Only the battery bottom is responding and the battery is totally full. I bought it in April 2010 and the battery is not removable.
Info:MacBookPro, Mac OS X (10.7.3)
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May 15, 2012
My brand new iMac doesn't turn on on the next day
Info:
iMac, Mac OS X (10.7.4)
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Jun 7, 2012
My MacBook Air was purchased in September 2011 and I've really enjoyed this computer. The complaint I have is that it wouldn't turn on about two weeks ago. I had to bring it to an Apple Store and the logic board was replaced. The service was good and it was a one day turn around time. Now the computer is down again with the same symptoms and I've tried the recommended procedures to try to turn it on without any luck.
Info:MacBook Air, iOS 5
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Jun 17, 2014
My laptop was fully charged and it went to sleep. About an hour later, it's as if it is dead. The screen is black. I can't even turn it on. None of the lights are on. I plugged in my 2 old! charger and it won't been light up. I have had no problems with this charger and have tried different outlets. My laptop was fully charged so I don't understand why it's not turning on. I can't reset anything because it doesn't even boot up. I near how beeps and chimes. I let it charge for a while and still the charger isn't lighting il and the laptop won't turn on.
Info:
MacBook Pro, OS X Mountain Lion (10.8.2)
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Jun 24, 2009
I am really upset because my trusty MacBook pro running the latest version of leopard decided not to turn on today. I already tried resetting the pram but I don't even hear the chime. I can hear my HD stRt but it downtown access anything. It just spins. Do you thnk I need a new logic board? I really hope not because They are like 400 on eBay. I tried taking the battery out And holding pwr button.
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Jul 18, 2010
I removed my battery and plugged the power cord, the small green light doesn't come and the mac book pro doesn't turn on.
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Jun 22, 2012
When I switch on my MacBookPro OX S Lion it stays on a grey page with the apple logo but that's all ,what do I have to do ?
Info:
MacBook Pro
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Mar 27, 2012
macbook pro doesn´t turn on BLUE screen,
Info:
MacBook Pro, Mac OS X (10.6.8)
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