Imac G4 wont boot past grey screen desperatly want to fix it!!!!

Hi there,
Please can someone help.....
I got a Imac G4 at the weekend for a bargin, but it wont boot up. When i turn it on it makes the noise and comes up with a grey screen with the apple logo and the loading circle. It doesnt go past this screen and after about 15 mins turns itself off.
Any ideas how i can get this running again (havent tried anything yet to be honest as im not sure what to do). I love these machines as i just think they are querky and would love to get it working again to use as my home pc (as even though its old it will still probably be quicker than my old microsoft laptop)
Thanks!

Did you try a PRAM reset?
http://support.apple.com/kb/ht1379
>I can't get the disk drive to open either
If the optical drive tray cannot be opened, what happens if you hold down the mouse button during startup?
As a brody indicated, a faulty hard drive cannot be ruled out. Instructions for removing this drive can be found in the ifixit.com guides as well.
If you can gain access to the optical drive, the best way forward would be to use an appropriate Mac OS X system CD in an attempt to start from that disc (holding down the C key).
If it is not possible to locate a correct system CD right now, another way could possibly be to try to boot from an Ubuntu CD for PowerPC instead (once again, holding down the C key) just to see whether the computer is capable of booting at all.
Jan.

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My iMac won't boot past grey screen and it didn't come with a os x disk

My iMac won't boot past grey screen with apple. I've tried booting in safemode but that didn't help and my iMac didn't come with a os x disk.

Take each of these steps that you haven't already tried. Stop when the problem is resolved.
Step 1
The first step in dealing with a startup failure is to secure the data. If you want to preserve the contents of the startup drive, and you don't already have at least one current backup, you must try to back up now, before you do anything else. It may or may not be possible. If you don't care about the data that has changed since the last backup, you can skip this step.
There are several ways to back up a Mac that is unable to start. You need an external hard drive to hold the backup data.
a. Start up from the Recovery partition, or from a local Time Machine backup volume (option key at startup.) When the OS X Utilities screen appears, launch Disk Utility and follow the instructions in this support article, under “Instructions for backing up to an external hard disk via Disk Utility.”
b. If you have access to a working Mac, and both it and the non-working Mac have FireWire or Thunderbolt ports, start the non-working Mac in target disk mode. Use the working Mac to copy the data to another drive. This technique won't work with USB, Ethernet, Wi-Fi, or Bluetooth.
c. If the internal drive of the non-working Mac is user-replaceable, remove it and mount it in an external enclosure or drive dock. Use another Mac to copy the data.
Step 2
If the startup process stops at a blank gray screen with no Apple logo or spinning "daisy wheel," then the startup volume may be full. If you had previously seen warnings of low disk space, this is almost certainly the case. You might be able to start up in safe mode even though you can't start up normally. Otherwise, start up from an external drive, or else use either of the techniques in Steps 1b and 1c to mount the internal drive and delete some files. According to Apple documentation, you need at least 9 GB of available space on the startup volume (as shown in the Finder Info window) for normal operation.
Step 3
Sometimes a startup failure can be resolved by resetting the NVRAM.
Step 4
If you use a wireless keyboard, trackpad, or mouse, replace or recharge the batteries. The battery level shown in the Bluetooth menu item may not be accurate.
Step 5
If there's a built-in optical drive, a disc may be stuck in it. Follow these instructions to eject it.
Step 6
Press and hold the power button until the power shuts off. Disconnect all wired peripherals except those needed to start up, and remove all aftermarket expansion cards. Use a different keyboard and/or mouse, if those devices are wired. If you can start up now, one of the devices you disconnected, or a combination of them, is causing the problem. Finding out which one is a process of elimination.
Step 7
If you've started from an external storage device, make sure that the internal startup volume is selected in the Startup Disk pane of System Preferences.
Start up in safe mode. Note: If FileVault is enabled, or if a firmware password is set, or if the startup volume is a Fusion Drive or a software RAID, you can’t do this. Post for further instructions.
Safe mode is much slower to start and run than normal, and some things won’t work at all, including wireless networking on certain Macs.
The login screen appears even if you usually log in automatically. You must know the login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
When you start up in safe mode, it's normal to see a dark gray progress bar on a light gray background. If the progress bar gets stuck for more than a few minutes, or if the system shuts down automatically while the progress bar is displayed, the startup volume is corrupt and the drive is probably malfunctioning. In that case, go to Step 10. If you ever have another problem with the drive, replace it immediately.
If you can start and log in in safe mode, empty the Trash, and then open the Finder Info window on the startup volume ("Macintosh HD," unless you gave it a different name.) Check that you have at least 9 GB of available space, as shown in the window. If you don't, copy as many files as necessary to another volume (not another folder on the same volume) and delete the originals. Deletion isn't complete until you empty the Trash again. Do this until the available space is more than 9 GB. Then restart as usual (i.e., not in safe mode.)
If the startup process hangs again, the problem is likely caused by a third-party system modification that you installed. Post for further instructions.
Step 8
Launch Disk Utility in Recovery mode (see Step 1.) Select the startup volume, then run Repair Disk. If any problems are found, repeat until clear. If Disk Utility reports that the volume can't be repaired, the drive has malfunctioned and should be replaced. You might choose to tolerate one such malfunction in the life of the drive. In that case, erase the volume and restore from a backup. If the same thing ever happens again, replace the drive immediately.
This is one of the rare situations in which you should also run Repair Permissions, ignoring the false warnings it may produce. Look for the line "Permissions repair complete" at the end of the output. Then restart as usual.
Step 9
Reinstall the OS. If the Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
Step 10
Do as in Step 9, but this time erase the startup volume in Disk Utility before installing. The system should automatically restart into the Setup Assistant. Follow the prompts to transfer the data from a Time Machine or other backup.
Step 11
This step applies only to models that have a logic-board ("PRAM") battery: all Mac Pro's and some others (not current models.) Both desktop and portable Macs used to have such a battery. The logic-board battery, if there is one, is separate from the main battery of a portable. A dead logic-board battery can cause a startup failure. Typically the failure will be preceded by loss of the settings for the startup disk and system clock. See the user manual for replacement instructions. You may have to take the machine to a service provider to have the battery replaced.
Step 12
If you get this far, you're probably dealing with a hardware fault. Make a "Genius" appointment at an Apple Store, or go to another authorized service provider.

IMac wont boot Past Grey Screen, finder folder with blinking question mark

iMac G5 won't boot Past Grey Screen. The G5 froze and i restarted, It will not go past the grey screen and it has the finder folder with blinking question mark, also the fans kick on wide open. As it atempts to boot a sound plays "beepda beepda beepda beep" that starts quiet and gets louder and repeats a couple of times. I ran a hardware check on the startup disk and all hardware passed. I thought it might be the RAM any suggestions?
I have restarted using the troubleshooting methods in the guide.

Sorry for the late reply. The drive shows up when booting to disk, but it will not allow you to verify disk or repair. Also it will not allow you to select the hard drive to reinstall the software. Under disk utility Maxtor sabre shows up with total capacity:0 bytes.
I've taking the Mac to the Apple store to get looked at, and its probly the hard drive. Now Im trying to see if theres a way to recover the data myself. I've used software like "Data Rescue" the hard drive shows up "Maxtor Sabre" totally capacity: 0 bytes, and it will not recover anything.
Did this test just to see if it was power problem.
http://support.apple.com/kb/HT2173
Thats when noticed the beeps are coming from the hard drive. So its getting power.
Now just wondering how to recover data.
Any suggestions?

2010 MacBook wont boot past grey screen, even after a new hard drive and install CD.

Hey guys, I received a 2010 Macbook last year as a gift (no warranty). It worked fine untill a few days ago. It wouldn't boot past the grey apple logo. I took it in to an Apple store and they said it was a bad HDD. Since I didn't have much stored on it, and I have everything backed up to my desktop, I got a new, larger capacity HDD and replaced it with no issues. I started the Macbook with the OSX Leopard install CD, but it didn't identify the HDD, and now it won't boot past the grey screen.
Any ideas? Is it the motherboard?
Thanks a lot!

House3917 wrote:
I started the Macbook with the OSX Leopard install CD...
Leopard is done for, call Apple via phone and order the 10.6.3 white retail disks and use those.
Use these install instrcutions for best operation and performance.
How to erase and install Snow Leopard 10.6

Wont boot past Grey screen

My iMac suddenly went very slow and when rebooting never get past the Grey screen with Apple and circle - after some minutes hard disk stops.

http://support.apple.com/kb/TS2570 When you get to the part that talks about repairing your disk in disk utility, you don't have a disc to insert so you're going to hold down command and R on startup then you'll see disk utility.

Wont boot past grey screen after disk access was changed

I have a new 13" macbook pro with OS X Lion. I changed the hard disk access from read only to no access, walked away for a minute, when I came back my computer screen was black. Upon touching the mouse pad the mouse arrow showed up but the screen stayed black. I preformed a hard shutdown and when turning it back on it wont load past the grey screen with the apple logo. Ideas? Solutions? Please help.
Thanks

please explain exactly what you did.

Intel iMac will not boot past gray screen

Intel iMac will not boot past gray screen
my system:
new (month old) 24" intel imac, 2.8 ghz, 4 gb ram.
running: leopard (upgraded from tiger, which was pre-installed at purchase), installed 10.5.1 update right before this huge problem occurred.
install discs on-hand: two-disc tiget set, single leopard upgrade disc.
what led to this:
i wanted to install windows using bootcamp on a 50 gb partition.
at this point i was running leopard 10.5
i followed all bootcamp instructions, printing out the guide, as well. once i got into the windows setup, i was prompted to choose a partition to install windows. unlike the bootcamp guide, which showed three partitions, one clearly labeled "bootcamp", i saw only one partition. not wanting to risk writing over my mac partition, i quit the setup and rebooted the mac os. after some googling around, i looked for firmware updates (didn't need any), and then software updates. i decided to try updating to 10.5.1.
i then ran through boot camp again, deleting my previous windows partition, creating a new one, and moving forward as before. once again, i was only shown one partition to choose from in the windows setup. i exited the setup again to reboot through the mac os, but this time, i was only given a blank gray screen.
here's what i have tried so far:
booting from a CD, holding down the C or D keys: no response (in fact, i have to restart the computer holding down the mouse button to be able to eject the CD)
booting with option key held down: gray screen
booting with option key held down with external bootable firewire drive attached: the firewire drive appears as a boot icon, and i can click on it within a five second window, but then the screen freezes after that time period, and nothing changes
booting into target mode while attached to another mac: gray screen (no firewire icon, and drive never shows up on other mac)
resetting NVRAM: i'm able to hear the boot chimes, but no difference in performance. gray screen every time
Safe boot: nothing but a gray screen
Verbose mode: gray screen
Single user mode: gray screen
Single user mode with firewire drive attached: occasionally (not every time), i am able to get the white on black terminal to show up. from here, i'm able to run fsck, but it appears to only be checking the firewire drive. i have tried several times to boot from here, and once it took me to a blue screen with movable arrow cursor, but it never went beyond this.
is there anything else left to try before taking it to apple?
any help would be greatly appreciated.
thanks,
Casey Burns
Casey Burns Illustration and Design
http://CaseyBurns.com

I'd call Apple support at this point. You'll need
to put this issue on the record.
Call U.S. iPod and Mac technical support: 1-800-APL-CARE (1-800-275-2273)
The wait may be long for an agent to come on the line
so expect that and have some other stuff to do in the meantime.
If you have the applecare protection plan, I'd ask about "onsite"
service.
I like your work ! Good luck !
Slim
Message was edited by: slimpikkunz

IMac Does not boot past Gray Screen

iMac does not boot past Gray Screen. 2008 24" Intel iMac running Mountain Lion with 1TB hard drive.
Problem started yesterday while I was web surfing, and my iMac frooze and shutdown. I rebooted and could only get as far as the gray screen.
On bootup the following things happen:
Startup tone
Gray screen with Apple, and gear spins below Apple.
Once the gear stops spinning, nothing happends.
Troubleshooting steps I have tried:
removed all devices connected to iMac and rebooted, but same symptons occur.
booted into Safe mode and run disk utilites.
     Disk Utilities found no errors on the drive, but did find two permission issues that it was able to fix.
          First permission issue:
                   "Group differs on library; Should be 0; group is 80"
          Second permission issue:
                    "Permissons differ on library; Should be drwxr-xr-x; They are drwxrwxr-t"
Disk Utilities says it fixes these issues and then I reboot, but get the same problem.
I reboot back into Safe Mode and run Disk Utilities and it discovers the same problems listed above with Permissions. It says it fixes them, I reboot, but the same problem occurs. Its as if we are stuck in some sort of loop process.
Booted into Single User Mode and ran the following command:
     /SBin/fsck -fy   it reports back, Volume Apprears to be ok.
I reboot, same issue !
Performed SMC Reset, Rebooted, same issue
Performed PRAM Reset, Rebooted, same issue.
Booted into Recovery Partitioin (Command R) and ran disk utilities. It found the same permission issues listed above. It fixed them. I rebooted. Same problem still.
While in safe mode, I preformed a full time machine backup.
I am out of ideas. Any help would be greatly appreciated.

Hello,
I reboot back into Safe Mode and run Disk Utilities and it discovers the same problems listed above with Permissions.
You can ignore repeated "fixes" it's not really a problem, if it says completed repairs that's all that's needed.
Luckily it boots in Safe Mode, here's basically the steps to try to find out what it is...
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons
Though I'm suspecting some corruption to your OS at the moment.

G5 won't boot past grey screen

G5 2.0 Dual will not boot past grey screen. Running 10.5.8 on an old maxtor 160gb drive, drive is available as a startup disc in StartUp disk in system preferences. But when it is chosen the machine shuts down in the usual manner then switches to the maxtor disk and only gets to the grey screen with the apple log no progress clock appears. Using disk utility from install disk reports that drive is ok, running techtool pro 4.6.2 reports the drive is fine and all file structures, volume structures and directories are fine. So of course i am keen to find out what the issue is and wether it can be resolved without resorting to a clean install. When booted from another internal drive the icon for the errant drive is visible and all files and folders are visible and readily accessable.
It would be great to get back to booting from this drive as it is the main drive I use and has so much more on it than the secondary drive.
Any help will be of immense use
Thank You

I assume you have already tried a PRAM reset. If so, then the following three items may yield a clue.
Number one thing to try is a Safe Boot by holding the shift key down at boot. You may have a something in the non-minimal Apple kext set that is causing the hang. (If it safe boots, you may have a problem in kext caches which can be cleared. See below.)
Second is to disconnect all peripherals except monitor, keyboard and mouse and see if something there is contributing to the hang.
Third is to use verbose boot (hold down cmd-V at boot until you see a black Unix terminal screen come up) and see where the system is hanging.
Clearing the kext Caches (if indicated)
This is probably easiest done booted from the other drive, so I'll describe that method.
Open the Maxtor's System folder, then open the Library folder and drag the following two files to the trash:
Extensions.kextcache
Extensions.mkext
Empty the trash.
Open a Terminal session from the Terminal application in the /Applications/Utilities folder.
Type cd followed by a space in the command line and then drag the icon for the Maxtor into the window, which will put a properly formatted Unix path into the command line, then press the return key. Type the following three commands
cd System <cr>
cd Library <cr>
sudo touch Extensions <cr>
then give your password when requested and close the terminal session. Select the Maxtor as the statrup drive in System Preferences and give it a go.

Mac will not boot past Grey Screen

Hello;
My 2007 iMac won't boot past the grey screen, not even with the Apple logo in the centre of the screen. I've tried booting into the Boot Manager, tried using the recovery partition, tried booting from an external USB and FireWire drive, reset the NVRAM, reset the SMC, tried booting with a DIskWarrior boot disk (can't even eject the disk now... i've tried holding onto the mouse to force eject), changed the RAM back to the original...
Anyone else have any suggestions? I can't really figure it out and i need this machine up and running. I appreciate the help!

Please make a Genius Appointment and take it in for service.

IMac wont go past grey screen and cog turning

Hi there !
I have an iMac, thing is after installing a new OS it won't turn on again, it gets as far as grey screen then the cog keeps turning then it just shuts itself off. I've tried using the disk utility but it fails when I verify disk and repair disk, then the HD name goes grey and when I go to boot options its no longer there to boot from. done all the reccomendations on the apple troubleshoot through start up and fsck. is there something physically wrong with the disk or can it be solved by diskwarrior ? (Oh, I haven't backed up either so any idea's if it can be saved?)
Cheers
Ed

Hmmmmm... I had a very similar issue and I called apple. Do you still have apple care? They are awesome about helping you. With mine, I had to reinstall my OS but I can't remember the little tricks used to do it. Maybe you have already tried that... not sure.
I hoe that helps.

MacBook Pro: Tiger wont boot past grey apple screen w/ spinning gear, HELP!

Hey everybody,
I have a 1.83 Ghz MBP with 512 mb of RAM (lame I know). The other day someone was using my computer to burn a CD on iTunes when all of my programs began failing. On instinct I rebooted my computer to solve the problem. Alas, now I cant boot past the grey apple screen, and the gear is spinning away. Saddest part of the story is that I had time set aside to back up my computer the day after this happened . Anyway what is the best thing to do from here? I haven't made any moves to fix it yet really, so what is the best thing that I can do to try and get my files back?
Thank you,
Sam A.

Hi, I posted to you in yoour other thread.
I very much doubt Disk Utility or fsck will fix an +Invalid Node Structure+ error. That's a pretty serious error and DU is just not robust enough of a utility to repair it.
If Disk Utility can't fix it, you'll need a more robust utility for the repair. I would recommend DiskWarrior. It is the best at directory repairs. It rebuilds then actually replaces your old directory. I feel every Mac owner should have a copy. Make sure you get the disk so you can boot up on it to run repairs. You can also install it on another drive and run it from there to repair this one. DW works faster that way.
I use DW once a month to try and catch errors in my system from getting too far out of hand.
If you have a good backup, hopefully a clone of your system before you had issues, an Erase and Install will also rid you of this issue. But, beware! You will lose everything on the drive with this procedure. Let us know if you need help with that!
Cheers! DALE
p.s. If the +Invalid Node Structure+ is real bad, there's a risk even the mighty DiskWarrior will not be able to help. Normally it will come thru; it's only in the severe cases it won't be able to do it. If you don't have a backup, and need the data bad, it's worth the try!

Help: iMac won't boot past Grey logo screen with spinning lines

My fiance's iMac (intel based) running snow leopard (upgraded from Leopard a couple months ago) will not boot past the logo and spinning lines. This started after at attempting to restart after installing updates to Safari and iTunes.
When booting in verbose mode I get these lines:
Launchctl: Dubious permissions on file (skipping): /Library/LaunchDaemons
Launchctl: Dubious permissions on file (skipping): /System/Library/LaunchDaemons
Launchctl: Dubious permissions on file (skipping): /etc/mach_inid.d
AppleYukon2: Marvel Yukon Gigabit Adapter 88E8055 Singleport Copper SA
AppleYukon2: RxRingSize <= 1024, TxRingSize 256. RXMAXLE 1024, TXMAXLE 768, STMAXLE 3328
Then it just stops and does nothing.
I've unplugged everything except the apple keyboard and mouse. Ethernet is not connected.
She doesn't seem to have the original disc that came with the computer, but I do have the Snow Leopard upgrade disc.
What do I do? It won't boot in Safe Mode either, freezes at the same spot.
I'm not a particularly savvy Mac user as I recently embraced them when we moved in together.
Any help would be greatly appreciated

Repairing permission is not the first answer. Should try to run fsck and reset the PRAM
Start up your computer in single-user mode to reach the command line.
Note: If necessary, perform a forced restart as described in the Emergency Troubleshooting Handbook that came with your computer. On desktop computers, you can do this by pressing the reset/interrupt button (if there is one) or holding down the power button for several seconds. On portable computers, simultaneously press the Command-Control-power keys. If your portable computer doesn't restart with this method, you may need to reset the Power Manager.
At the command-line prompt type:
/sbin/fsck -fy
Press Return. fsck will go through five "phases" and then return information about your disk's use and fragmentation. Once it finishes, it'll display this message if no issue is found:
** The volume (name_of_volume) appears to be OKIf fsck found issues and has altered, repaired, or fixed anything, it will display this message:
***** FILE SYSTEM WAS MODIFIED *****
Important: If this message appears, repeat the fsck command you typed in step 2 until fsck tells you that your volume appears to be OK (first-pass repairs may uncover additional issues, so this is a normal thing to do).
When fsck reports that your volume is OK, typerebootat the prompt and then press Return.
Your computer should start up normally and allow you to log in.
Resetting PRAM and NVRAM
Shut down the computer.
Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously in step 4.
Turn on the computer.
Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.
Hold the keys down until the computer restarts and you hear the startup sound for the second time.
Release the keys.
Your computer's PRAM and the NVRAM are reset to the default values. The clock settings may be reset to a default date on some models.

G5 ALS Won't Boot Past Grey Screen...Bad Logic Board?

Hi all-
I did a quick search, and found various answers, but none specific to my situation, so below, please find my tale of woe, and I appreciate in advance any advice you folks could provide:
I have a G5, 2.0GHz, 20" iMac (upgraded to Leopard) that recently stopped booting past the grey screen/ chime. Somewhat irked, I did some trouble shooting to include the following:
1 - Reset SMU
2 - Zapped PRAM
3 - Run Apple Hardware Test (all tests passed)
4 - Repaired hard drive by booting to the install CD ... it returned errors that were not fixable, but since the log is on the computer that crashed, I don't have the errors to post here
5 - After that repair, the computer booted, so I ran disk utility again, repaired permissions successfully, verified the hard disk via S.M.A.R.T. (arguably, not the most reliable indicator of hard disk life).
6 - Just to be on the safe side, I did an Archive and Install.
All that done, I was able to use the computer for 2 days, and this morning, I woke up to find the fans a-blazin' and the computer non-responsive...I rebooted to...you guessed it!...a grey screen.
Luckily for me, my memory (akin to a steel trap!) served me well...I had the power supply changed two months ago under the repair extension program for my model iMac (bulging capacitors)..but they did NOT replace the logic board.
If you have made it this far, thank you for reading, I am building to my crescendo....
Being a slightly balding fellow, I have very little hair left to pull out here, so in desperation and with my recent power supply repair in mind, I pulled the back off of my beloved iMac (my very first Mac!) to reveal a bulging capacitor on the +logic board+.
My question: Could my symptoms be related to the logic board (remember the AHT passed), or might it be related to a bad hard drive (remember the S.M.A.R.T. status was verified)? Any troubleshooting steps I may have missed? I am going to bring it to my local Apple store, but wanted to know if there are any other ideas out there for me to try before making the 1.5+ hour trek south to a Mall.
Thank you all in advance for any advice you may have!
Best,
jason

Not only do you have a hardware problem, you should call Apple, tell them that you had the power supply replaced two months ago (you are within the 90 day warranty period), and ask that they replace the motherboard as well, since the previous repair didn't work.

Will not boot past Grey Screen of Death

I was using Safari. Got the spinning beachball. Then it quit, followed by Text Edit, and Quicktime player which were running in the backround.
I was able to restart through the Apple menu, and got the Grey Screen of Death(GSoD), with the apple, and no spinning gear.
I had to shut it down using the power button and restarted holding Command-S so that I could run fsck in the Command Line, but it wouldnt go to the command line and all I got was the GSoD.
So, I started the computer from an external firewire drive, (using the option button on startup, which worked), and it booted fine and mounted my internal drive. (All my files appear to be there and are accessible. The good News...)
I ran disk utility, and it said that the internal drive was fine, no repairs needed.
I shut it down,unplugged the power cord and battery, reset the PMU, restarted, zapped the pram, and let it try to load, only to get the GSoD.
Then I booted from the firewire again, ran Techtool Pro (TTP), everything passed. I rebuilt the directory using TTP, restarted and still got the ole GSoD.
Telephone Tech Support made me use the Install disk to restart, and run disk utility, (no problems), and upon rebooting still the GSoD. They said I could take it to the Apple store, or run an archive and install.
I can't do an archive and install, (from home), because my original disk was Panther, and I can't find it, and my Tiger disk is only an upgrade disk. I don't want to do this anyway, and my last resort would be to clone my firewire disk back to my laptop, which I also do not want to do if I don't have to.
I was considering buying Diskwarrior (DW). It used to do miracles for me with OS9, but that was always when the drive wouldn't mount. I don't know how DW does with the ole GSoD, and a disk that mounts, or whether it can be reccomended to deal in this situation.
Any help would be appreciated, as well as anyone who cannot help, but can tell me what is wrong when the computer can't get past the GSoD.
Thanks in advance.
Powerbook G4 1.67mhz 1gb RAM Mac OS X (10.4.8)

I wanted to add to my post that I have no third party hardware attached, (RAM, etc.), and disconnected all peripheral devices, only connecting the firewire external to boot the thing.
I also made no recent software installations. The last was the 10.4.8 update on 11/22.
Austin
I looked at that article for <10.3.9
The closest symptom was the blank grey screen. Though it did not mention the addition of the apple like my case. It suggests disk utility, and PMU reset, which I did and didn't help.
I looked at some of the other symptoms fixes for the blue-screen, -OS9 is not installed on the computer, and single user and safe modes also don't work.
I have an appointment at the Apple Store for this afternoon. I have the AppleCare protection plan. What in your opinion can they do, that telephone tech support couldn't suggest, besides performing the archive and install, that I can't do at home, and don't want to do anyway?
Also, seeing as the internal drive does mount, and I can access the data, why do you think that DW might fix it? I know they have a proprietary method, but I did replace the directory with TTP.
DW did perform miracles for me in the past, but then only when the disk wouldn't mount.
Right now my plan is to see the Genius this afternoon, if he's got nothing new to offer, I can buy DW rev 39 at the Apple Store, and run it there.
I guess barring any other advice, if you feel that DW can do the trick, I could buy it before seeing the Genius, and if it works, cancel my appointment.<br>
Powerbook G4 1.67mhz 1gb RAM Mac OS X (10.4.8)

Imac G4 wont boot past grey screen desperatly want to fix it!!!!

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