PowerPC :: Imac G5 2.0 Wont Boot
Jan 9, 2010
I woke up this morning and my imac wouldn't wake from sleep. then when it finally did I had a all black screen with a few red pixels at the top. the imac wouldn't do anything so I had to hold the power button down and restart. now when I try to turn it on, I hear the apple sound, I get the grey screen (10.4) with the white apple and a spinning circle, then it goes to a light blue screen and just sits there. I still have a cursor and it moves with my mouse.
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Oct 14, 2007
I picked up this G4 (M6498, 17", 800/256/80HD) from a lady in her 80's whose son sent her a new G5, but I'm having trouble getting it to boot on HD or CD. When I turn it on all I get is a file icon alternating between mac face and "?". Boot from IMAC CD: same thing - I hear the CD track switching a few times periodically but that's it. Boot from OS9 Install CD: same thing. I'm not that familiar with iMac, although I've had a few other Mac machines on and off through the years AppleIIe, PowerMacG3). Any suggestions what to try next?
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Dec 25, 2008
I have a 700MHz iMac G3, which froze during DVD playback and it needed to be rebooted. Now it will not boot, the gray screen comes up with the loading circle, but it will just shut down after about a minute. I have reset the PRAM, PMU and it is running 10.4. No beeps or anything when it shuts down, it just turns off.
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Dec 4, 2009
I have an old IMac G5 without an Intel processor. The other day I heard a whistle sound coming out of it. The next day I turned it on, got the apple and a revolving pinwheel. The picture of the apple was a little broken up. After a minute the pinwheel stopped. Tried to boot of the leopard CD. Same thing happened. Looked inside for swollen capacitors. Did not find any. Does anyone have any ideas as to what can be wrong.
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Dec 11, 2008
I just bought an iMac with a G4 processor from a friend... The only problem is that apparently some vital file was deleted and as a result, it will not start up. I have a Tiger recovery disc, but because I'm only being shown the gray apple screen and the loading circle, I can't actually use it. Any ideas?
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Aug 8, 2007
The iMac forum is clogged with news of the new iMac, so I decided to post my problem here: I just bought a friends old iBook G3 for writing and surfing the web. It's slow and full of his junk. He doesn't have the original disks, so I was wondering, would the install disks from my Intel iMac work on it?
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Jul 13, 2009
Just bought a fantastic condition deep-blue 500 MHz G3 DV iMac yesterday for 15. Steal! The original hard drive was knackered so I've replaced it with an 80gb 5400RPM one which should be more than adequate. I'm aiming to get OS X on it. My 350 MHz G3 runs is well, so this should scream. Unfortunately, OS9.0 and OS9.1 disks in the optical drive still produce a flashing folder icon. I need to boot OS9.0 in order to flash the iMac's firmware before I can stick OS X on it, but it just won't boot at all. I'm thinking it could possibly be a knackered optical drive, but before I go to the trouble of finding a workaround, I wondered if anybody here might have some ideas.
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May 12, 2010
I just bought an 800 MHz iMac G4 , and whenever I try to boot into target disk mode it shuts itself down. I am connecting to an intel iMac, and the g4 has no OS installed on it (I am trying to install tiger using my dvd install dvd, the one with the black background and grey x which the G4 won't read). Does anyone know what could be causing this issue? I've already tried reseting the PMU and PRAM.
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May 17, 2007
I have an imac G5 20" that is approximately two years old. About 2-3 weeks ago it started acting a bit flakey....it would lock up on std apps (firefox), it would always lock up after being revived from sleeping etc. I ran the hardware test and everything checked out. Then a few days ago it wouldn't boot. I get the chime, I hear the drive spinning, then the fans kick into high gear and I get a screen with a folder in the middle with a "question mark icon" and a "finder icon" displaying alternatively inside the folder. So I booted up the hardware test dvd and the test failed 27 seconds in with the following error code:
2GMC/2/15: built-in
Logic Board Error Detected
Are there any other steps I should be taking before taking in for service?
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Dec 16, 2008
Originally my iMac G5 (1.6 GHz 17 inch) was failing to boot up. It would get to the grey screen and the apple and it would just stay there and pretend to be a rocket ship with it's little fan whirring as fast as it could after five minutes. So I reset the SMU, fan stopped, still wouldn't boot. Booted it off the 10.5 install cd (which it was running fine until it wouldn't start up). It wouldn't see the Macintosh HD for a while unless you went to disc utility > partitions and changed it from current to one and instead of applying just let it sit there before switching it back to current. Took about 10 minutes of sitting there.
I did disk repair said there was no problem. Disk permission repair said there was a few problems and said it repaired them. To be safe I backed everything up using target disk mode (where the fan tried to play rocket again even though I reset the SMU), erased my hard drive and reinstalled. Now it shuts down randomly when it goes idle, and takes 10 minutes to start up past loading the dock to load the apple bar Mac HD icon and whatever is on the desktop (which is a single empty folder).
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Feb 3, 2006
We have some new Intel iMacs and have transferred some information from our previous G4 PM (one MDD and one Quicksilver) to the new iMacs. For some reason the G4's will now not boot up and kernal panic on the gray Apple boot screen. This has happened to all the G4's we have in our office. They are running OSX 10.2.8 and the iMacs are running OSX 10.4.4. We can still mount the drives from the G4's using FireWire Target Disk mode.
I have tried zapping the PRAM etc but they still wont boot. I have also tried running the OSX 10.2 Installer disks to try and reinstall OSX on the G4's but the installer cannot see the drives?
I tried running the disk utility. It finds the hard drive but wont let me verify/repair permissions (the option is grayed out). It will only let me verify/repair the disk, but it finds no errors. The installer cannot find the disk at all.
We have more than one hard drive in the G4's and the target disk mode will only mount the system drive, it doesnt see the others, so we cannot retrieve out information. Whats going on. Never had this problem before.
Anyone have any idea what is wrong. Never had this problem before using the FireWire transfer.
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Jun 11, 2007
I have an iBook G4 1.07 GHz 30 gb 256 RAM with Panther. It was working fine until my HD got close to being full. Now I can't get it to boot past the Apple screen. It will either freeze there, or move on to the blue screen and freeze before the progress bar enters. I want to re-install Panther but I can't get any CD to boot during startup by holding "C", including the Panther OS CD, the Hardware Test CD, or the Tech Tool CD. I am able to boot to single user mode, where I type fsck -fy, and I recieve no errors with the hardware. I had this issue beore and my HD had to be replaced by Apple.
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Oct 17, 2010
Got a Powerbook G4 with a "messed up" HD. Couldn't fix it, so got a firewire drive and ran a bunch of utilities from my newer intel iMac. Cloned the Powerbook's drive to a USB hard drive, did all repairs on the USB drive, formatted the Powerbook, cloned the USB drive BACK to the Powerbook, but it just gives me the flashing question mark when I try to boot.
What is REALLY weird is I can boot my iMac FROM THE CLONE ON THE USB DRIVE and it works fine.In Drive Genius the Powerbook drive (in TDM) shows as a single drive, but if I go to "Repartition" then it shows 3 smaller partitions on the drive; I believe they're called "Apple Free Space" or something like that (can't check right now, I'm running Repair on it AGAIN at the moment).
I feel like I'm missing something simple, like the machine just doesn't see one thing that tells it "Oh, yeah! There's an operating system on this drive!" I have tried partitioning from Drive Genius and Disk Utility. Have done clones back and forth with Drive Genius, Disk Utility, and Carbon Copy Cloner. Same results each time.
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May 15, 2010
I have a 2 week old iMac 27", i7, 2tb Hard Drive, 16gb RM
In the second week the boot up times became very slow.
I would turn the machine on and get the chime within 5 seconds or so.
Then just a black/blank screen.
Eventually after about 10mins I would get a white screen then it would boot up normally.
Now the machine just doesn't get to the white screen. So I get the chime and then just darkness. It does sound like the machine is on (usual quiet imac whirring).
I've tried various key commands when I turn the machine on including pressing C with the install disk in the dvd drive and the alt, control, P, R pram reset.
I've also tried unplugging all the cables, leaving the machine for a minute and switching back on. I did manage to perform the PRAM reset once. I reset the machine and it booted fine.
But now when I switch it on just darkness.
I've called after sales and will try to get the machine replaced but in the meantime is there anything I could try that might make the machine work? I need to do a remix this weekend (deadline Monday) so really need to get it working.
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Apr 22, 2012
I have a Imac PPC with a 2Ghz processor and 1GB of Ram. I am running leopard 10.5.8. Recently i woke the PC from sleep mode to find a blue screen with only the cursor working. Using the internet, I determined how to get the PC booted in safe mode. I have used all the disk utilities at my disposal along with onyx and cocktail to try and fix what I believe is a startup problem. I hae booted the PC in single user mode and tried the fskc codes, which i believe is just the same as the disk utility. Based on my computer all permissions are correct and there is nothing wrong with the HD. The PC still will not boot normally. I have even done an archive and re-install of Leopard.
Info:
iMac, Mac OS X (10.5.8)
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Aug 7, 2007
I can't get OSX to boot on the G3 when I reboot with the C button down it won't do anything no apple logo or anything. It's 10.4 and the cd version What am I doing wrong?
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May 15, 2009
My Powerbook g4 al 1GHZ won't boot up. I press the power button it chimes, i can hear the hardrive and fans spinning but the screen is black.
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Mar 28, 2009
I think it worked at one point, but sometime around the point when I set up Fusion with the partition, Windows Aero turned off and is no longer an option in the display settings. I installed this driver with the modded INF to see if it would do anything, but Aero is still not an option. I also have issues playing some games in Fusion, while they work fine in Boot Camp.
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Nov 1, 2009
I'm using a 20" white intel iMac and cannot manage to remove a linux boot disc from the optical drive.At first, the only way that i managed to boot to the linux disc in the first place was from the Startup Disk menu in OSX. I could not even get to the Startup Manager ('opt' at boot) or boot straight to the disc ('C').Now i'm in a position where no matter what i do, the system boots to the linux disc. I cannot even force the startup into OSX to try to eject the disc from there. I've tried holding all of these keys/combinations at startup
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Sep 27, 2010
I'm trying to install Damn Small Linux on iMac G3,64MB ram and 333Mhz processor. The problem is that i'm not able to boot the cd. Under windows machine...it boot normally,but if i put it on G3 and hold 'C',it doesn't boot (but i think it try to read the cd becouse i see a small icon with "face"/"?" on the screen).
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Oct 20, 2010
My PowerBook G4 1.5Ghz won't boot up. It happened about a year ago when I first got my new MBP so I just let it sit. But I'd like to give it to a friend if I can get it to work. I've tried resetting the PMU by holding shift+control+option+power... waiting 5 seconds and powering on, but nothing happens. The battery appears to be functioning correctly. When the cable is in it lights up like normal and the battery indicators light up and are in full charge. I've taken the ram out and put it back in. Any other clues what I could try before bringing it in to Apple?
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Oct 26, 2010
I have a usb thumb drive can I boot leopard from a usb?
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Jan 1, 2011
My trusty ol' powerbook might have finally met its match. I can not get it to boot into any mode. I've tried booting to the original discs ('C' while starting up); safe mode, single user mode, etc. I've reset the PMRAM (or whatever it's called) It seems perma stuck at the blue screen.
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Aug 21, 2006
My powerbook was working fine but i shut i down over night and when i turned it on the next morning it refused to boot. All i got was a grey screen with the folder icon which flash between a question mark and the finder icon.
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Aug 28, 2006
I opened up Garageband, went into preferences to configure the audio for my peripheral audio device, and the computer and curser locked up, so I had to shut it down by pressing the power button for 4 seconds. I restarted the G4 and it would only boot up to a blue screen with the pointer curser, but would not finish loading anything on the desktop, no icons, no menu, nothing. I tried restarting repeatedly this way, but got the same result each time.
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Nov 22, 2006
I was playing some old freeware games for Mac OS 9 and was playing lemmings when my Clamshell iBook just turned off and now I get the Blinking folder with question mark. I made a live CD of ubuntu where it's talking to the harddrive but the iBook won't boot to OS X so i am trying to figure why.
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Apr 8, 2007
My powerbook G4 keeps freezing whenever I try to start it - as limited as my Mac vocabulary is, the "spinny thing" that goes by during the "gray boot screen" with that there "Apple logo" stops and the entire process is frozen. Paper season is started here at school - and I hate click-clacking on the cheapo Dells in the computer lab.
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Oct 8, 2007
My friend just got a 800 Mhz iBook G3 from someone. I think it's the April 2003 model. It has a CD-ROM drive so I think it's that one. The iBook has Mac OS X 10.4 Tiger on it. The problem is that in normal boot, it hangs right before the "Starting Mac OS X" screen with the bar. The mouse pointer just stays in the corner. The computer can boot into Safe Boot. He tried reinstalling the OS with Archive And Install keeping the same settings but it still does it. Apparently he says that he had to boot into the Mac OS X Install Disc in safe mode by holding shift. Starting the computer holding Option and selecting the Install Disc caused the installer caused it to hang in the same way. He is currently doing another Archive And Install with the keep settings box unchecked and has yet to do an Erase And Install.
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Nov 2, 2007
I have a G4 PowerMac that will not boot up. I power up the computer and it stalls on a grey screen with text prompting me to type <<boot>> if you wish to continue...or something like that. Does anyone have any advice on how I might troubleshoot this? The computer was working fine for a few days before this occured. It has been unused and sitting is storage for a while.
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Feb 16, 2008
my powerbook was playing up yesterday and i had to power off via the switch and now it wont boot, All i get is a grey screen no apple logo and no spinning dial, in stead i get a picture of a happy mac face and then a question mark and sometime not even that.
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