Frozen Apple Logo and Kernel Panic
Over the weekend I went to sleep and when I woke up I noticed that the power in the apartment had gone out. I turned on my iMac G5 running 10.4.6 and was greeted by the grey Apple logo and spinning wheel. I shut down unplugged everything, and turned my machine back on to the same results. Afterwards I tried repairing the disk from my OSX dvd. Tried a few times, but kept getting the same two errors that it didn’t seem to repair. Tried to boot up again and this time I was greeted by a blinking earth and then blinking question mark and then the machine showed a kernel panic screen. I tried running disk warrior and the program seems to run ok and only list one set of things that it could not repair, but when I check the preview my Users folder and other folders are missing. I see applications, documents, and a few others, but the total GB in all of these folders in the preview is only about 50-60 GB. However disk warrior correctly shows that the total HD space is 233GB, with 44 remaining, which is roughly the amount, give or take a few GB I had remaining before I went to sleep. I called Alsoft and they had me try to rebuilt from my older iMac running 10.4.2 in target mode, and as a root user, but both times I got the same results. Do you know what else I can do to recover my data or repair my HD. I’ve pretty much conceded to the fact that I just want to get all my working data on my external HD then erase and reinstall OSX and drag my data back. What else can I do? Any suggestions?
1. If necessary, go dig up your original system disks that came with the iMac G5.
2. Check the labels. One should explain how to start up from that disk to use the hardware test it contains.
3. There is also a 'read me' file on that disk explaining exactly how to use it.
4. The same info is in the paper User's Guide manual that came with your iMac -- page 58 if we have the same model, as I think we do. If not, check the contents under "Troubleshooting."
5. If none of these guides are accessible, try the appropriate online manual for your model, available through the "Manuals" link at the top of this page.
If the new iMac's HD does not show up in the old Mac's Finder even with a "pass" from AHT & the repair attempts you have made with Disk Warrior, I know of no other way to access the data other than with Data Rescue or a similar tool, or with a data recovery service, which is generally quite expensive.
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Hiya,
Your hard drive has died. My company www.dr-pod.com can replace this for you.
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See Here for
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Unknown "source"? Do you mean unknown "error" followed by a number?
http://support.apple.com/kb/TS3221
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Try a reset:
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iTunes: Restoring iOS software - Support - Apple
If that doesn't work, try this.
iOS: Unable to update or restore - Support - Apple -
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Take each of these steps that you haven't already tried. Stop when the problem is resolved.
To restart an unresponsive computer, press and hold the power button for a few seconds until the power shuts off, then release, wait a few more seconds, and press it again briefly.
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.” The article refers to starting up from a DVD, but the procedure in Recovery mode is the same. You don't need a DVD if you're running OS X 10.7 or later.
b. If Step 1a fails because of disk errors, and no other Mac is available, then you may be able to salvage some of your files by copying them in the Finder. If you already have an external drive with OS X installed, start up from it. Otherwise, if you have Internet access, follow the instructions on this page to prepare the external drive and install OS X on it. You'll use the Recovery installer, rather than downloading it from the App Store.
c. 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.
d. 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 the technique in Step 1b, 1c, or 1d 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 a desktop Mac hangs at a plain gray screen with a movable cursor, the keyboard may not be recognized. Press and hold the button on the side of an Apple wireless keyboard to make it discoverable. If need be, replace or recharge the batteries. If you're using a USB keyboard connected to a hub, connect it to a built-in port.
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 in OS X 10.9 or earlier, or if a firmware password is set, or if the startup volume is 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 11. 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
If the startup device is an aftermarket SSD, it may need a firmware update and/or a forced "garbage collection." Instructions for doing this with a Crucial-branded SSD were posted here. Some of those instructions may apply to other brands of SSD, but you should check with the vendor's tech support.
Step 10
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 11
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 12
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 13
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. -
i dowloaded an app cant rember name but i was ment to be a jailbreak thing (typed in on sarfari jailbreak me) but it was not what i hopped for so i tryed deleting it (and an game boy app off this app) but no X came up on the corner so i tryed resating it but its now frozen and thers the apple logo and a loading bar under it ?
PLEZ HELP ME SOME ONETry forcing your iPod into Recovery Mode...
Follow the Steps in this Article...
Recovery Mode / Unable to Update or Restore
http://support.apple.com/kb/HT1808
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