I can only start my iBookG4 after deleting preferences. I have to go into single user mode to do so. If I don't go into single user mode, the computer shuts down during boot up. What might be the problem?

I can only start my iBookG4 after deleting preferences. I have to go into single user mode to do so. If I don't go into single user mode, the computer shuts down during boot up. What might be the problem? How can I fix this?

I do not have a startup disk. I did try fsck (based on what I learned from your reply-thank you). This failed (fsck); here is the message:
** Checking catalog file.
Invalid key length
(4, 8198)
** Volume check failed.
/dev/rdisk03 (hfs) EXITED WITH SIGNAL 8.
I am sure this is an easy fix; I just have no clue how.

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Have you tried booting into the Recovery HD, selecting Disk Utility>Macintosh HD>Repair Disk to see if any repairs are needed.? If anything gets fixed/altered click on repair disk again until you get a clean pass. Restart as normal from the Apple menu. To do this, restart holding down Command + r (more details here: http://support.apple.com/kb/HT4718 ).

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I have run into a problem this morning after trying to download Yosemite. I have a Mid-2007 C2D iMac, that was running Mavericks very well this morning.
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Hey bburkava,
Thanks for the question. I understand that you are experiencing issues with your iMac not loading up past the Apple Logo and spinning gear. The following resource may provide a solution:
Mac OS X: Gray screen appears during startup
http://support.apple.com/kb/TS2570
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Dear Lenovo,
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Invalid node structure
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http://www.alsoft.com/diskwarrior/index.html
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Re-download a rented movie after a factory restore?
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This was not my original problem but it has occured before and I know it will occur again.
My computer shuts down for no reason when I try to render or prerender video in Adobe Premiere Pro CS4. From what I can tell it is a general issue with premiere that I am having. I have tried multiple video formats, multiple video lengths, and multiple rendering options and I am still getting random shut downs during rendering.
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OS: Windows 7 Ultimate (64 bit OS)
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If you have a recent nVidia driver installed, you might want to check to see if you have either of these two modules loaded - check in the nVidia console:
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It appears that you have a laptop. Is that correct?
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Hunt

How to remove black "blocked plug-in" window that opens with iPhoto. It covers iPhoto and everything under it. I've right and left clicked the black window, restarting the computer, shutting down the computer, but the window always appears when I ope

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Open the folder /Library/Application Support/iPhoto/Plugins/
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this is a new problem for me - It used to work perfect until 1 week ago. now everytime I am trying to encode a sequence into a MP4 the whole computer shuts down during the process - at different % of the encoding why?

And a few other shutdown message threads that may help
Read Bill Hunt on BSOD shutdowns http://forums.adobe.com/thread/772169
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panic(cpu 0 caller 0xffffff801ae3b58f): "imageboot_mount_image: di_root_image failed: 2\n"@/SourceCache/xnu/xnu-2422.1.72/bsd/kern/imageboot.c:142
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0xffffff8086eb3e20 : 0xffffff801adab598
0xffffff8086eb3f90 : 0xffffff801aa3abd8
0xffffff8086eb3fb0 : 0xffffff801aad6aa7
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Not yet set
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Darwin Kernel Version 13.0.0: Thu Sep 19 22:22:27 PDT 2013; root:xnu-2422.1.72~6/RELEASE_X86_64
Kernel UUID: 1D9369E3-D0A5-31B6-8D16-BFFBBB390393
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loaded kexts:
com.apple.driver.DiskImages.FileBackingStore          371.1
com.apple.driver.DiskImages.HTTPBackingStore          371.1
com.apple.driver.DiskImages.RAMBackingStore          371.1
com.apple.driver.AppleUSBTCButtons          240.2
com.apple.driver.AppleIRController          325.7
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          35
com.apple.driver.AppleUSBTCKeyEventDriver          240.2
com.apple.driver.AppleUSBTCKeyboard          240.2
com.apple.driver.AppleUSBCardReader          3.3.5
com.apple.iokit.SCSITaskUserClient          3.6.0
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.4.0
com.apple.iokit.AppleBCM5701Ethernet          3.6.9b9
com.apple.driver.AirPort.Brcm4331          700.20.22
com.apple.driver.AppleUSBHub          650.4.4
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AppleAHCIPort          2.9.5
com.apple.driver.AppleUSBOHCI          650.4.1
com.apple.driver.AppleUSBEHCI          650.4.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleSMBIOS          2.0
com.apple.driver.AppleACPIEC          2.0
com.apple.driver.AppleAPIC          1.7
com.apple.driver.AppleIntelCPUPowerManagementClient          216.0.0
com.apple.nke.applicationfirewall          153
com.apple.security.quarantine          3
com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
com.apple.driver.DiskImages.KernelBacked          371.1
com.apple.driver.AppleUSBMultitouch          240.6
com.apple.iokit.IOUSBHIDDriver          650.4.4
com.apple.iokit.IOSCSIBlockCommandsDevice          3.6.0
com.apple.iokit.IOUSBMassStorageClass          3.6.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.0
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.driver.AppleUSBMergeNub          650.4.0
com.apple.driver.AppleUSBComposite          650.4.0
com.apple.iokit.IOAHCISerialATAPI          2.6.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.0
com.apple.iokit.IOEthernetAVBController          1.0.3b3
com.apple.driver.mDNSOffloadUserClient          1.0.1b4
com.apple.iokit.IO80211Family          600.34
com.apple.iokit.IONetworkingFamily          3.2
com.apple.iokit.IOUSBUserClient          650.4.4
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.driver.AppleMCP89RootPortPM          1.11
com.apple.iokit.IOAHCIFamily          2.6.0
com.apple.iokit.IOUSBFamily          650.4.4
com.apple.driver.NVSMU          2.2.9
com.apple.driver.AppleEFINVRAM          2.0
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IOHIDFamily          2.0.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          278.10
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.AppleKeyStore          2
com.apple.driver.DiskImages          371.1
com.apple.iokit.IOStorageFamily          1.9
com.apple.iokit.IOReportFamily          21
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.8
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
com.apple.kec.pthread          1
System Profile:
Model: MacBookPro7,1, BootROM MBP71.0039.B0E, 2 processors, Intel Core 2 Duo, 2.4 GHz, 4 GB, SMC 1.62f7
Graphics: NVIDIA GeForce 320M, NVIDIA GeForce 320M, PCI, 256 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x802C, 0x384A53463235363634485A2D314731443120
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x802C, 0x384A53463235363634485A2D314731443120
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.100.22)
Bluetooth: Version 4.2.0f6 12982, 3 services, 15 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: TOSHIBA MK2555GSXF, 250.06 GB
Serial ATA Device: MATSHITADVD-R   UJ-898
USB Device: Built-in iSight
USB Device: Internal Memory Card Reader
USB Device: BRCM2046 Hub
USB Device: Bluetooth USB Host Controller
USB Device: Apple Internal Keyboard / Trackpad
USB Device: IR Receiver
Thunderbolt Bus:

I can only start my iBookG4 after deleting preferences. I have to go into single user mode to do so. If I don't go into single user mode, the computer shuts down during boot up. What might be the problem?

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