I continue trying things and looking for answers, but am not sure what else to do. Here is the log of a recent attempt to start my iMac that did not work. I am still only able to boot in safe mode. Again, all help is appreciated.
Oct 6 14:23:30 localhost kernel[0]: standard timeslicing quantum is 10000 us
Oct 6 14:23:30 localhost lookupd[42]: lookupd (version 365) starting - Sat Oct 6 14:23:30 2012
Oct 6 14:23:31 localhost kernel[0]: vm_page_bootstrap: 252675 free pages
Oct 6 14:23:30 localhost mDNSResponder-107 (Mar 20 2005 20: 31:47)[44]: starting
Oct 6 14:23:31 localhost kernel[0]: mig_table_max_displ = 70
Oct 6 14:23:31 localhost kernel[0]: 88 prelinked modules
Oct 6 14:23:31 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
Oct 6 14:23:31 localhost kernel[0]: The Regents of the University of California. All rights reserved.
Oct 6 14:23:31 localhost kernel[0]: using 2621 buffer headers and 2621 cluster IO buffer headers
Oct 6 14:23:31 localhost kernel[0]: AppleKauaiATA shasta-ata features enabled
Oct 6 14:23:31 localhost kernel[0]: DART enabled
Oct 6 14:23:31 localhost kernel[0]: MacRISC4CPU: publishing BootCPU
Oct 6 14:23:31 localhost kernel[0]: FireWire (OHCI) Apple ID 52 built-in now active, GUID 001124ff feca4298; max speed s400.
Oct 6 14:23:31 localhost kernel[0]: CSRHIDTransitionDriver::probe
Oct 6 14:23:31 localhost kernel[0]: CSRHIDTransitionDriver::start before command
Oct 6 14:23:31 localhost kernel[0]: Security auditing service present
Oct 6 14:23:31 localhost kernel[0]: BSM auditing present
Oct 6 14:23:31 localhost kernel[0]: disabled
Oct 6 14:23:31 localhost kernel[0]: rooting via boot-uuid from /chosen: 52660333-8EAE-38C1-9B01-A9D5669EBC4E
Oct 6 14:23:31 localhost kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
Oct 6 14:23:31 localhost kernel[0]: Got boot device = IOService:/MacRISC4PE/ht@0,f2000000/AppleMacRiscHT/pci@3/IOPCI2PCIBridge/k2-sat a-root@C/AppleK2SATARoot/k2-sata@0/AppleK2SATA/ATADeviceNub@0/IOATABlockStorageD river/IOATABlockStorageDevice/IOBlockStorageDriver/WDC WD2500JD-40HBC0 Media/IOApplePartitionScheme/Untitled 3@3
Oct 6 14:23:31 localhost kernel[0]: BSD root: disk0s3, major 14, minor 2
Oct 6 14:23:31 localhost kernel[0]: AppleSMU -- shutdown cause = 1
Oct 6 14:23:31 localhost kernel[0]: CSRHIDTransitionDriver::stop
Oct 6 14:23:31 localhost kernel[0]: [HCIController][start]
Oct 6 14:23:31 localhost kernel[0]: [AppleUSBHCIController][StopIsochPipeRead] - mInt1IsochInPipe = 0 - numReadsPending = 0
Oct 6 14:23:31 localhost kernel[0]: [start] 1
Oct 6 14:23:31 localhost kernel[0]: Jettisoning kernel linker.
Oct 6 14:23:31 localhost kernel[0]: Resetting IOCatalogue.
Oct 6 14:23:31 localhost kernel[0]: Matching service count = 0
Oct 6 14:23:31 localhost kernel[0]: Matching service count = 2
Oct 6 14:23:31 localhost kernel[0]: Matching service count = 2
Oct 6 14:23:31 localhost kernel[0]: Matching service count = 2
Oct 6 14:23:31 localhost kernel[0]: Matching service count = 2
Oct 6 14:23:31 localhost DirectoryService[41]: Launched version 1.8 (v346)
Oct 6 14:23:31 localhost kernel[0]: IOHWMonitor - no Params Version !!
Oct 6 14:23:31 localhost kernel[0]: AppleSMU:: getProperty partitionAddress or length zero on partition number 0x05
Oct 6 14:23:31 localhost kernel[0]: IPv6 packet filtering initialized, default to accept, logging disabled
Oct 6 14:23:32 localhost diskarbitrationd[36]: disk0s3 hfs 52660333-8EAE-38C1-9B01-A9D5669EBC4E Macintosh HD /
Oct 6 14:23:33 localhost kernel[0]: UniNEnet: Ethernet address 00:11:24:ca:42:98
Oct 6 14:23:33 localhost launchd: Server 270b in bootstrap 1103 uid 0: "/usr/sbin/lookupd"[42]: exited abnormally: Hangup
Oct 6 14:23:33 localhost kernel[0]: AirPortPCI: Ethernet address 00:11:24:bd:bf:d1
Oct 6 14:23:34 localhost lookupd[61]: lookupd (version 365) starting - Sat Oct 6 14:23:34 2012
Oct 6 14:23:36 localhost mDNSResponder: Adding browse domain local.
Oct 6 14:23:38 localhost kernel[0]: [HCIController][setupHardware] AFH Is Supported
Oct 6 14:23:40 localhost kernel[0]: [IOAppleBluetoothHIDDriver][init] IOBluetoothHIDDriver 1.1.4
Oct 6 14:23:40 localhost kernel[0]: [IOAppleBluetoothHIDDriver][free]
Oct 6 14:23:40 localhost kernel[0]: [IOBluetoothHIDDriver][init] IOBluetoothHIDDriver 1.1.4
Oct 6 14:23:40 localhost kernel[0]: [IOBluetoothHIDDriver][handleStart][00-1f-5b-b2-29-96] Done.
Oct 6 14:23:40 localhost kernel[0]: ATY,Aphrodite_A: vram [98000000:08000000]
Oct 6 14:23:40 localhost kernel[0]: ATY,Aphrodite_B: vram [98000000:08000000]
Oct 6 14:23:41 localhost kernel[0]: IOHIDSystem: Seize of IOHIDPointing failed.
Oct 6 14:23:41 localhost kernel[0]: IOHIDSystem: Seize of IOHIDConsumer failed.
Oct 6 14:23:41 localhost kernel[0]: IOHIDSystem: Seize of IOHIDEventDriver failed.
Oct 6 14:23:42 mikes-imac-g5 configd[34]: setting hostname to "mikes-imac-g5.local"
Oct 6 14:23:44 mikes-imac-g5 kernel[0]: [IOAppleBluetoothHIDDriver][init] IOBluetoothHIDDriver 1.1.4
Oct 6 14:23:44 mikes-imac-g5 kernel[0]: [IOBluetoothHIDDriver][init] IOBluetoothHIDDriver 1.1.4
Oct 6 14:23:44 mikes-imac-g5 kernel[0]: [IOAppleBluetoothHIDDriver][handleStart][00-0a-95-41-fc-98] Done.
Oct 6 14:23:45 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9
Oct 6 14:23:45 mikes-imac-g5 kernel[0]: [IOAppleBluetoothHIDDriver][waitForHandshake][00-0a-95-41-fc-98] Unsuccessful Handshake: e00002c2
Oct 6 14:23:52 mikes-imac-g5 kernel[0]: AirPort: Link DOWN
Oct 6 14:23:53 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9
Oct 6 14:23:55 mikes-imac-g5 kernel[0]: AppleSMU::PMU vers = 0x000d006b, SPU vers = 0x2b, SDB vers = 0x01,
Oct 6 14:24:00 mikes-imac-g5 kernel[0]: AirPort: Link DOWN
Oct 6 14:24:01 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9
Oct 6 14:24:24 mikes-imac-g5 kernel[0]: AirPort: Link DOWN
Oct 6 14:24:24 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9
Oct 6 14:24:47 mikes-imac-g5 kernel[0]: AirPort: Link DOWN
Oct 6 14:24:48 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9
Oct 6 14:25:11 mikes-imac-g5 kernel[0]: AirPort: Link DOWN
Oct 6 14:25:11 mikes-imac-g5 kernel[0]: AirPort: Link UP: "tscstuff" - 001ee5eef23f - chan 9