Imac G5 - unable to get past grey screen

Help Please.
I have an Imac G5 (non I-sight) model which was going well until about 3 weeks ago. First indications
were the freezing of the screen with various patterns across it - no choice but to continually power off.
Then every time i've tried to start up since then all I got was the grey screen and spinning cog.
Have tried re-starting many times without success. Resetting the PRAM. Also used Apples Hardware test
disk which worked although it was just viewable thru these so-called patterned images - result No
Problems found.
Tonight, after reading the various solutions from these forums, I thought I would try one last time by
using the original install dvd that came with my Imac. I managed to get the machine to read the disk
and went straight to Disk Utility and selected repair disk. Immediately it started to list in red "Reserved
fields in the catalog record have incorrect data. " This has been going for some 20 minutes now as I
type this, and is about ⅓ of the way thru its sequence.
Can anyone say what all this means, please?
Is the machine dying rapidly. Various apple techs have suggested that the video card has gone but is costly to replace and not worth the trouble and expense.
With the machine now reading the install dvd perhaps it is not finished with?
Hope not anyway.
Alan

Dave,
OK, after running D/U from my install disk, it eventually finished saying "Keys out of order".
I then, still using the install disk went to repair disk. Initially it stated "repaired successfully" and underneath " repairs attempted on 2 volumes" - 1 HFS volume repaired followed by 1 volume could not be repaired"
I tried this two times with the same result.
I then tried First Aid (repair permissions) but that stopped saying no "valid packages"
Tried verifying disk but this failed " underlying task reported failures on exit (-9972)"
After several restart attempts managed to get the install disk ejected - but still cannot get past the grey screen and spinning gear.
I do have a backup on my Lacie hard drive, but the problem is that I can't get to the Imac
system prefs to be able to select the disk to start from.
Have you any other suggestions or am I reading something wrongly?
Alan

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http://support.apple.com/kb/TS1417
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Bummer
These services will cost you, but can almost certainly get the data back.
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http://www.vitaldata.ca
1-888-570-0775
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Apple Discussions!
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Hardware Overview:
Model Name: MacBook Pro
Model Identifier: MacBookPro5,1
Processor Name: Intel Core 2 Duo
Processor Speed: 2.66 GHz
Number of Processors: 1
Total Number Of Cores: 2
L2 Cache: 6 MB
Memory: 4 GB
Bus Speed: 1.07 GHz
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SMC Version (system): 1.41f2
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panic(cpu 1 caller 0x47f5ad): "Process 1 exec of /sbin/launchd failed, errno 13\n"@/SourceCache/xnu/xnu-1504.15.3/bsd/kern/kern_exec.c:3145
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0x51383e48 : 0x21b837 (0x5dd7fc 0x51383e7c 0x223ce1 0x0)
0x51383e98 : 0x47f5ad (0x5cf950 0x831c08 0xd 0x0)
0x51383ef8 : 0x4696d2 (0x76e1d20 0x1fe 0x736cee0 0x80000001)
0x51383f38 : 0x48fee5 (0x72b7b7c 0x50f46000 0x51383f88 0x226e2f)
0x51383f68 : 0x219432 (0x72b7b7c 0xffffff7f 0x51383f88 0x2a45c9)
0x51383fa8 : 0x2aacb4 (0xffffffff 0x1 0x22f8f5 0x227c4b)
0x51383fc8 : 0x2a1976 (0x0 0x0 0x2a17ab 0x6e24060)
BSD process name corresponding to current thread: init
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Not yet set
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
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IMac G5 won't go past grey screen w/Apple symbol & gear

Hello,
Three days ago, I installed the (I believe) security update and the Java update, the following day I bought a new iPod and installed the iPod software. After setting up my iPod, I left the computer as it was until the next day whe i returned from school and attempted to go on the computer. I then tried restarting the computer because it was very slow, and when I restarted it, it would not go past the grey screen. I then manually turned the computer off and on, still, it did not go past the grey screen. Does anyone know what my problem may be?
Thank You.

You could also try the following;
Try things in Apple doc.#106464 for your startup issue.
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Cheers!
DALE

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Symptoms
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Hey, thanks for taking the time to reply.
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Sun May 4 14:01:58 2014
panic(cpu 1 caller 0xffffff80002dbe7e): Kernel trap at 0xffffff7f811e20a1, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0x0000000000000000, CR3: 0x000000000e7fb000, CR4: 0x0000000000000660
RAX: 0x0000000000000000, RBX: 0xffffff80654f3000, RCX: 0x00000000015d0000, RDX: 0xffffff800b21b7f0
RSP: 0xffffff807a23b780, RBP: 0xffffff807a23b790, RSI: 0x0000000000007059, RDI: 0xffffff80654f3000
R8: 0xffffff807a23b4a8, R9: 0x0000000000000000, R10: 0xffffff807a23b4a0, R11: 0x0000000000ffffff
R12: 0xffffff80654f3000, R13: 0xffffff8000903760, R14: 0xffffff80654f3000, R15: 0xffffff80654f3000
RFL: 0x0000000000010297, RIP: 0xffffff7f811e20a1, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000000, Error code: 0x0000000000000000, Fault CPU: 0x1
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0xffffff807a23b410 : 0xffffff8000222fa9
0xffffff807a23b490 : 0xffffff80002dbe7e
0xffffff807a23b660 : 0xffffff80002f3376
0xffffff807a23b680 : 0xffffff7f811e20a1
0xffffff807a23b790 : 0xffffff7f811d6b89
0xffffff807a23b7c0 : 0xffffff7f811d6a05
0xffffff807a23b820 : 0xffffff7f811d8b44
0xffffff807a23b9b0 : 0xffffff7f80ff1b34
0xffffff807a23ba30 : 0xffffff7f80fa5b35
0xffffff807a23bb60 : 0xffffff7f80fa4b3f
0xffffff807a23bbd0 : 0xffffff7f80ff2ba2
0xffffff807a23bc10 : 0xffffff7f80f20522
0xffffff807a23bca0 : 0xffffff7f80f187a3
0xffffff807a23bce0 : 0xffffff7f80ff32f8
0xffffff807a23bd30 : 0xffffff8000695733
0xffffff807a23bd90 : 0xffffff80006caca5
0xffffff807a23be00 : 0xffffff80002b60ab
0xffffff807a23be50 : 0xffffff8000226bf1
0xffffff807a23be80 : 0xffffff80002139f5
0xffffff807a23bef0 : 0xffffff800021e043
0xffffff807a23bf70 : 0xffffff80002c97bd
0xffffff807a23bfb0 : 0xffffff80002f3b96
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         com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f80f0f000->0xffffff7f80f45fff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f807fe000
         com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f80fa3000->0xffffff7f80fb0fff
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f80f0f000
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f807fe000
         com.apple.nvidia.classic.NVDAResmanTesla(8.2.4)[80472F2E-D31D-32C4-88BA-2EB3D63 C159F]@0xffffff7f80ff0000->0xffffff7f81257fff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[EDA75271-4E9D-34E7-A2C5-14F0C8817D37]@0xffffff 7f807fe000
            dependency: com.apple.iokit.IONDRVSupport(2.4.1)[999E29DA-D513-3544-89D1-9885B728A098]@0xff ffff7f80fa3000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[4421462D-2B1F-3540-8EEA-9DFCB0565E39]@0 xffffff7f80f0f000
BSD process name corresponding to current thread: WindowServer
Boot args: -x
Mac OS version:
13C1021
Kernel version:
Darwin Kernel Version 13.1.0: Wed Apr 2 23:52:02 PDT 2014; root:xnu-2422.92.1~2/RELEASE_X86_64
Kernel UUID: E9CF78E2-1E9F-3B6F-81A4-FEE6C6D0E4D5
System model name: MacBookPro5,1 (Mac-F42D86C8)
System uptime in nanoseconds: 86865650539
last loaded kext at 86846961429: com.apple.driver.AppleHWSensor          1.9.5d0 (addr 0xffffff7f815cc000, size 28672)
loaded kexts:
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.driver.AGPM          100.14.15
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AppleBacklight          170.3.5
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleMuxControl          3.4.35
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleLPC          1.7.0
com.apple.driver.AppleMCCSControl          1.1.12
com.apple.nvidia.NVDAStartup          8.2.4
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleUSBTCButtons          240.2
com.apple.driver.AppleUSBTCKeyEventDriver          240.2
com.apple.driver.AppleUSBTCKeyboard          240.2
com.apple.driver.AppleIRController          325.7
com.apple.iokit.SCSITaskUserClient          3.6.6
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.driver.XsanFilter          404
com.apple.BootCache          35
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.iokit.IOAHCIBlockStorage          2.5.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.driver.AppleFWOHCI          4.9.9
com.apple.driver.AppleUSBHub          666.4.0
com.apple.driver.AirPort.Brcm4331          700.20.22
com.apple.driver.AppleAHCIPort          3.0.0
com.apple.driver.AppleSmartBatteryManager          161.0.0
com.apple.driver.AppleRTC          2.0
com.apple.driver.AppleUSBEHCI          660.4.0
com.apple.driver.AppleUSBOHCI          656.4.1
com.apple.nvenet          2.0.21
com.apple.driver.AppleHPET          1.8
com.apple.driver.AppleACPIButtons          2.0
com.apple.driver.AppleSMBIOS          2.1
com.apple.driver.AppleACPIEC          2.0
com.apple.driver.AppleAPIC          1.7
com.apple.driver.AppleIntelCPUPowerManagementClient          216.0.0
com.apple.security.quarantine          3
com.apple.nke.applicationfirewall          153
com.apple.driver.AppleIntelCPUPowerManagement          216.0.0
com.apple.iokit.IOSurface          91
com.apple.iokit.IOBluetoothFamily          4.2.3f10
com.apple.AppleGraphicsDeviceControl          3.4.35
com.apple.nvidia.classic.NVDANV50HalTesla          8.2.4
com.apple.nvidia.classic.NVDAResmanTesla          8.2.4
com.apple.iokit.IOBluetoothHostControllerUSBTransport          4.2.3f10
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.iokit.IONDRVSupport          2.4.1
com.apple.driver.AppleGraphicsControl          3.4.35
com.apple.driver.AppleSMBusPCI          1.0.12d1
com.apple.driver.AppleSMC          3.1.8
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.7.0d10
com.apple.driver.AppleSMBusController          1.0.11d1
com.apple.iokit.IOGraphicsFamily          2.4.1
com.apple.kext.triggers          1.0
com.apple.driver.AppleUSBMultitouch          240.9
com.apple.iokit.IOUSBHIDDriver          660.4.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.6.6
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          656.4.1
com.apple.iokit.IOAHCISerialATAPI          2.6.1
com.apple.iokit.IOSCSIArchitectureModelFamily          3.6.6
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.driver.AppleEFINVRAM          2.0
com.apple.iokit.IOUSBUserClient          660.4.2
com.apple.driver.AppleEFIRuntime          2.0
com.apple.iokit.IO80211Family          630.35
com.apple.iokit.IOAHCIFamily          2.6.5
com.apple.iokit.IOUSBFamily          675.4.0
com.apple.iokit.IONetworkingFamily          3.2
com.apple.driver.NVSMU          2.2.9
com.apple.iokit.IOHIDFamily          2.0.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.TMSafetyNet          7
com.apple.security.sandbox          278.11
com.apple.kext.AppleMatch          1.0.0d1
com.apple.iokit.IOReportFamily          23
com.apple.driver.DiskImages          371.1
com.apple.iokit.IOStorageFamily          1.9
com.apple.driver.AppleKeyStore          2
com.apple.driver.AppleFDEKeyStore          28.30
com.apple.driver.AppleACPIPlatform          2.0
com.apple.iokit.IOPCIFamily          2.9
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.pthread          1
com.apple.kec.corecrypto          1.0
Thanks again for your help, very much appreciated.

Imac G5 - unable to get past grey screen

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