Tech tool disk will not boot machine ????

greetings in my neverending issue ....
so it all began with a neverending spinny gear on a G4 ibook that would not boot. So I booted it as a terminal of my old machine and got all the stuff off of it. Then I ran the disk utitlity from my G5 n the drive of the G4 when it was a terminal and it said there were no errors.
So Now I guess I need to reinstall the software. So I got some G4 disks from a pal and tried to boot from the install/restore disk holding the C down and it just kept telling me I needed to restart my machine ... so I tried but it would not get past the spinny wheel AND i couldn't get the disk out
so
some nice folks told me here how to get Open Firmware to eject the cd, and that worked great. Then I put the TechTool pro disk into the drive and turned it on holding down the C and I get the apple screen, and then it kind flashes and I get another apple screen where the apple is just a hair to the right of centre on the screen (I woldn't notice the change otherwise!!) and NOTHING ...
no spinnny gear below the apple
just the apple sitting there
no sound of disk spinning
just the fan that comes on and then turns off
ideas?
kt

HI kt,
I love to offer advice to Apple users here except when I have to say something they don't want to hear. It sounds like the drive is dying and needs to be laid to rest even though you ran DU and it reported no errors, obviously something is wrong when you can't boot from the restore disk or TechToolPro. Sounds like it just doesn't want to mount any disks at all.
Try resetting the PMU... here's how: Reset PMU on iBookG4
Also, here's a PDF User Manual for the iBookG4: iBookG4 User Manual PDF
A trip to an Apple store or an Apple retailer might be the answer.
Apple Store Locations Scroll to the bottom of that window.
Carolyn

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External FireWire Disk will not boot

Hi Forum,
after some installations (OS 10.4.9, latest security update and Qucktime 7.1.6 I canot boot from my external disk (Lacie) connected to FireWire 800 port. The Apple shows up but then nothing more happens. Does anyone have a hint?
Thanks
Oliver

Add me to the list also. I had an external firewire disk as a RAID mirror for my boot disk. After a system crash (and some problem with my internal disk) I couldn't boot from the firewire stripe. This used to work.
I've tried creating a single-disk "degraded RAID pair" on the external disk and cloning the internal disk to it (using Disk Utility "Restore"). The cloning works fine but I can't boot from the copy. This is how I originally set up the RAID pair (clone, boot from clone, add internal disk to RAID group). This used to work. I bought a new firewire disk and it has exactly the same problems.
My original firewire disk was an Acomdata E5. My new firewire disk is a Coolmax Gemini CD-311 enclosure with a Hitachi 250GB deskstar inside.
iMac G5 Mac OS X (10.4.9)

IMac will not boot from any mode except Target Disk

I have an Early 2008 Penryn iMac 24" MB398LL/A running OS X 10.7.4 (see specs below) that will not boot from ANY mode, It also has several strange vertical bars from top to bottom on the screen. They are about 10 px wide, with some pixels empty and looks a bit like a barcode if you squint at it.
I have tried Safe Boot, Force Boot, DVD Boot, FireWire/USB Boot, and it always gets to the same point. It gets to the apple screen with the spinning gear and then after about 8 seconds it freezes. The only way it works at all is in Target Disk Mode. It pops right up on my Macbook Pro and I was able to grab all my info!
I have run Disc Utilities and Tech Tool on it many times from my MBP and it passes every test.
I reformatted the HD and installed 10.7 again, it still freezes up at the same point.
I have tried using Single User mode and every time have had to run /sbin/fsck -fy twice because it always says the disk is ok but it was modified on the first pass.
I thought maybe it had a bad video card or logic board but and I ran the Apple Hardware Test on many occasions and it always passes. Recently I was told about Loop Mode and just completed running the AHT for just over 30 hours without any errors at all.
UPDATE...
Strange Part… I tried installing Mountain Lion in Target Disk Mode and everything went smoothly. When it restarted on its own the lines on the screen were gone for the moment, but the Mac still freezes up on the spinning gear and immediately restarts on its own. I have run every thing listed above on it and still nothing. Sometimes the lines reappear then in two more starts they are gone.
I did manage to have it start one time got a copy of the the error report (its at the bottom too) The Mac ran for at least 30 minutes with no problems, then the screen went crazy a few seconds and it became unresponsive. The mouse moved but that was all it could do. Now my iMac continually restarts itself, I don't have any more ideas, HELP!
Specs...
The iMac "Core 2 Duo" 3.06 24-Inch Aluminum (Early 2008/Penryn) features a 3.06 GHz Intel "Core 2 Duo" processor (E8435), with two independent processor "cores" on a single silicon chip, a 6 MB shared level 2 cache, a 1066 MHz system bus, 2 GB of RAM (800 MHz DDR2 SDRAM, PC2-6400), a 500 GB (7200 RPM) Serial ATA hard drive, a vertically-mounted slot-loading DVD±R DL "SuperDrive", NVIDIA GeForce 8800 GS graphics acceleration with 512 MB of GDDR3 memory, a built-in iSight video camera, and built-in stereo speakers underneath the 24" glossy TFT Active Matrix LCD (1920x1200 native) display.
Error Report…
Sat Sep 1 17:13:12 2012
panic(cpu 0 caller 0xffffff801a4b7b95): Kernel trap at 0xffffff7f9bab8654, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000010, CR3: 0x0000000011803000, CR4: 0x0000000000000660
RAX: 0x0000000000000001, RBX: 0xffffff8050e00000, RCX: 0xffffff801aa8eb00, RDX: 0xffffff80602dba38
RSP: 0xffffff80602dbb60, RBP: 0xffffff80602dbb60, RSI: 0x0000000000000000, RDI: 0x0000000000000000
R8: 0x0000000000000000, R9: 0x00000000000000ff, R10: 0xffffffffffffffff, R11: 0x00000000ffffffff
R12: 0xffffff8050e00000, R13: 0x0000000000000000, R14: 0x0000000000000002, R15: 0x0000000000000000
RFL: 0x0000000000010246, RIP: 0xffffff7f9bab8654, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000010, Error code: 0x0000000000000000, Fault CPU: 0x0

Here is the complete error log...
Sat Sep 1 17:13:12 2012
panic(cpu 0 caller 0xffffff801a4b7b95): Kernel trap at 0xffffff7f9bab8654, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000000010, CR3: 0x0000000011803000, CR4: 0x0000000000000660
RAX: 0x0000000000000001, RBX: 0xffffff8050e00000, RCX: 0xffffff801aa8eb00, RDX: 0xffffff80602dba38
RSP: 0xffffff80602dbb60, RBP: 0xffffff80602dbb60, RSI: 0x0000000000000000, RDI: 0x0000000000000000
R8: 0x0000000000000000, R9: 0x00000000000000ff, R10: 0xffffffffffffffff, R11: 0x00000000ffffffff
R12: 0xffffff8050e00000, R13: 0x0000000000000000, R14: 0x0000000000000002, R15: 0x0000000000000000
RFL: 0x0000000000010246, RIP: 0xffffff7f9bab8654, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000000010, Error code: 0x0000000000000000, Fault CPU: 0x0
Backtrace (CPU 0), Frame : Return Address
0xffffff80602db800 : 0xffffff801a41d5f6
0xffffff80602db870 : 0xffffff801a4b7b95
0xffffff80602dba40 : 0xffffff801a4ce4ad
0xffffff80602dba60 : 0xffffff7f9bab8654
0xffffff80602dbb60 : 0xffffff7f9baa218c
0xffffff80602dbbb0 : 0xffffff7f9baa20e2
0xffffff80602dbbd0 : 0xffffff7f9ba73554
0xffffff80602dbc00 : 0xffffff7f9aa8d470
0xffffff80602dbc40 : 0xffffff7f9aa8d3df
0xffffff80602dbc60 : 0xffffff7f9aa926ec
0xffffff80602dbcf0 : 0xffffff7f9aa8af20
0xffffff80602dbd20 : 0xffffff7f9aadacc7
0xffffff80602dbd70 : 0xffffff801a833b9b
0xffffff80602dbdc0 : 0xffffff801a862d57
0xffffff80602dbe30 : 0xffffff801a497cef
0xffffff80602dbe80 : 0xffffff801a420abd
0xffffff80602dbeb0 : 0xffffff801a410448
0xffffff80602dbf00 : 0xffffff801a4195fb
0xffffff80602dbf70 : 0xffffff801a4a5ad6
0xffffff80602dbfb0 : 0xffffff801a4ced13
      Kernel Extensions in backtrace:
         com.apple.iokit.IOGraphicsFamily(2.3.4)[2600903C-EEDE-321B-A023-169DC9B26EA6]@0 xffffff7f9aa81000->0xffffff7f9aab8fff
            dependency: com.apple.iokit.IOPCIFamily(2.7)[8C9E06A4-13D0-33F5-A377-9E36F0ECC229]@0xffffff 7f9aa4d000
         com.apple.NVDAResman(8.0)[6A699209-FB98-316B-A3C0-DCA82AA8C86B]@0xffffff7f9aad8 000->0xffffff7f9addafff
            dependency: com.apple.iokit.IOPCIFamily(2.7)[8C9E06A4-13D0-33F5-A377-9E36F0ECC229]@0xffffff 7f9aa4d000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[99CA4184-8D92-31B2-8726-46139E8E3DFF]@0xff ffff7f9aac4000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[2600903C-EEDE-321B-A023-169DC9B26EA6]@0 xffffff7f9aa81000
         com.apple.GeForce(8.0)[4B9BE287-5251-398E-96B0-BB16C9BFB2D9]@0xffffff7f9ba72000 ->0xffffff7f9bb34fff
            dependency: com.apple.NVDAResman(8.0.0)[6A699209-FB98-316B-A3C0-DCA82AA8C86B]@0xffffff7f9aa d8000
            dependency: com.apple.iokit.IONDRVSupport(2.3.4)[99CA4184-8D92-31B2-8726-46139E8E3DFF]@0xff ffff7f9aac4000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[8C9E06A4-13D0-33F5-A377-9E36F0ECC229]@0xffffff 7f9aa4d000
            dependency: com.apple.iokit.IOGraphicsFamily(2.3.4)[2600903C-EEDE-321B-A023-169DC9B26EA6]@0 xffffff7f9aa81000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
12B19
Kernel version:
Darwin Kernel Version 12.1.0: Tue Aug 14 13:29:55 PDT 2012; root:xnu-2050.9.2~1/RELEASE_X86_64
Kernel UUID: 3005059E-270B-3B9F-940D-7A66C05DDC9D
Kernel slide:     0x000000001a200000
Kernel text base: 0xffffff801a400000
System model name: iMac8,1 (Mac-F227BEC8)
System uptime in nanoseconds: 26349024446
last loaded kext at 22534854703: com.apple.driver.AppleHDAHardwareConfigDriver          2.3.0f2 (addr 0xffffff7f9c489000, size 12288)
loaded kexts:
com.apple.driver.AppleHDAHardwareConfigDriver          2.3.0f2
com.apple.driver.AppleHDA          2.3.0f2
com.apple.driver.AppleTyMCEDriver          1.0.2d2
com.apple.filesystems.autofs          3.0
com.apple.iokit.IOBluetoothSerialManager          4.0.9f8
com.apple.iokit.IOBluetoothUSBDFU          4.0.9f8
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleMuxControl          3.2.6
com.apple.driver.AppleBacklight          170.2.3
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.GeForce          8.0.0
com.apple.driver.AppleSMCPDRC          1.0.0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.ApplePolicyControl          3.2.6
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleIRController          320.15
com.apple.iokit.SCSITaskUserClient          3.5.1
com.apple.driver.AppleFileSystemDriver          3.0.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.1
com.apple.driver.AppleFWOHCI          4.9.5
com.apple.driver.AppleUSBHub          5.1.6
com.apple.driver.AirPortBrcm43224          600.36.17
com.apple.iokit.AppleYukon2          3.2.3b1
com.apple.driver.AppleAHCIPort          2.4.0
com.apple.driver.AppleIntelPIIXATA          2.5.1
com.apple.driver.AppleUSBEHCI          5.1.5
com.apple.driver.AppleUSBUHCI          5.1.5
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleRTC          1.5
com.apple.driver.AppleHPET          1.7
com.apple.driver.AppleACPIButtons          1.6
com.apple.driver.AppleSMBIOS          1.9
com.apple.driver.AppleACPIEC          1.6
com.apple.driver.AppleAPIC          1.6
com.apple.driver.AppleIntelCPUPowerManagementClient          196.0.0
com.apple.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.driver.DspFuncLib          2.3.0f2
com.apple.iokit.IOAudioFamily          1.8.9fc9
com.apple.kext.OSvKernDSPLib          1.6
com.apple.kext.triggers          1.0
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.nvidia.nv50hal          8.0.0
com.apple.NVDAResman          8.0.0
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.driver.AppleHDAController          2.3.0f2
com.apple.iokit.IOHDAFamily          2.3.0f2
com.apple.iokit.IOSurface          86.0.2
com.apple.iokit.IOBluetoothFamily          4.0.9f8
com.apple.driver.AppleGraphicsControl          3.2.6
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleSMC          3.1.3d11
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.IOPlatformPluginFamily          5.2.0d16
com.apple.iokit.IOUSBHIDDriver          5.0.0
com.apple.driver.AppleUSBMergeNub          5.1.5
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          3.5.1
com.apple.iokit.IOBDStorageFamily          1.7
com.apple.iokit.IODVDStorageFamily          1.7.1
com.apple.iokit.IOCDStorageFamily          1.7.1
com.apple.iokit.IOATAPIProtocolTransport          3.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IO80211Family          500.15
com.apple.iokit.IONetworkingFamily          3.0
com.apple.iokit.IOAHCIFamily          2.2.0
com.apple.iokit.IOATAFamily          2.5.1
com.apple.iokit.IOUSBFamily          5.1.6
com.apple.driver.AppleEFIRuntime          1.6.1
com.apple.iokit.IOHIDFamily          1.8.0
com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.sandbox          220
com.apple.kext.AppleMatch          1.0.0d1
com.apple.security.TMSafetyNet          7
com.apple.driver.DiskImages          344
com.apple.iokit.IOStorageFamily          1.8
com.apple.driver.AppleKeyStore          28.18
com.apple.driver.AppleACPIPlatform          1.6
com.apple.iokit.IOPCIFamily          2.7
com.apple.iokit.IOACPIFamily          1.4
com.apple.kec.corecrypto          1.0
Model: iMac8,1, BootROM IM81.00C1.B00, 2 processors, Intel Core 2 Duo, 3.06 GHz, 2 GB, SMC 1.30f1
Graphics: NVIDIA GeForce 8800 GS, NVIDIA GeForce 8800 GS, PCIe, 512 MB
Memory Module: BANK 0/DIMM0, 1 GB, DDR2 SDRAM, 800 MHz, 0x2C00000000000000, 0x38485446313238363448445A2D3830304531
Memory Module: BANK 1/DIMM1, 1 GB, DDR2 SDRAM, 800 MHz, 0x2C00000000000000, 0x38485446313238363448445A2D3830304531
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8C), Broadcom BCM43xx 1.0 (5.10.131.36.16)
Bluetooth: Version 4.0.9f8 10405, 2 service, 18 devices, 1 incoming serial ports
Serial ATA Device: WDC WD5000AAKS-40YGA1, 500.11 GB
Parallel ATA Device: MATSHITADVD-R   UJ-875
USB Device: Built-in iSight, apple_vendor_id, 0x8502, 0xfd400000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x1a100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x820f, 0x1a110000 / 5
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x5d100000 / 2
USB Device: Hub in Apple Extended USB Keyboard, apple_vendor_id, 0x1002, 0x1d100000 / 2
USB Device: Trackball, 0x046d (Logitech Inc.), 0xc404, 0x1d120000 / 4
USB Device: Apple Extended USB Keyboard, apple_vendor_id, 0x0204, 0x1d110000 / 3

Macbook Pro Will Not Boot Windows Disk

I have a late 08 (or early 09) Unibody Macbook Pro 2.53Ghz. I start the Bootcamp Assistant and successfully create my Windows partition. When I restart with the Windows 7 disk, I get a blinking cursor for 1 second then it goes to a black screen and never leaves. I have tried several different Windows 7 disks with the same result. I have even tried booting from a Windows Vista, Windows XP and even a Ubuntu disk all with the same result, stuck at a black screen.
I took the hard drive out of this mac and put it into my wife's older Macbook pro, and it booted off the Windows 7 disk and completed the install to the drive with no issues. I then put the hard drive back into my Macbook Pro and get the same black screen when trying to start the Windows partition, and still have the same problem that it will not boot from any other OS disk be it Windows or Ubuntu. It boots from OS X DVDs without a problem.
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Any clue as to what is going on here?

What is really odd is if I take my hard drive out of my Unibody Macbook Pro and put it into my wife's non-unibody Macbook Pro, it boots the Windows partition with no problem (Remembering I previously swapped these hard drives to complete the Windows installation to my hard drive). Seeing as the disk boots on her machine fine and not in mine, and my Windows cds (DVDs) boot fine on hers and not on mine, it seems to me it's something specific about my machine, but I can't imagine what it is.

Intel Xserve will NOT boot from hard disk drive

I have two Intel Xserves 2.0 QC machines
I have tried to re-install version 10.4.11 OS (don't ask) onto a Hard disk drive that is in a Disk drive caddy and inserted in the machine.
When booting from The installation DVD media
The disk is seen by the "Disk Utility" (the disk is partitioned as GUID boot) and the installation proceeds to the disk.
Once the first pass of the installation is complete and the system reboots, the system shows the folder and ? mark.
If I boot and hold "ALT" key to view all avaialble boot options the Hard Disk Drive does NOT appear as valid boot disk.
It does show, the still inserted Installation DVD.
I CAN boot from an external firewire drive and the Hard disk drive is visible to the OS once logged in.
I have tried different caddy postions (left, middle and right)
I have tried bona fide Apple supplied Disk drives
I have tried various different caddies
I have tried installing Operating System 10.5.* and 10.6.8 server
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Has anyone seen this behaviour?
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Regards
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Antonio Hi !
QC = Quad core or QX as it is written on the "pull out" serial number tab at rear of system
I have 3 late 2006 Intel xserves
On my intial posting I declared 2 were 2.0 machines - when I was trying to be concise
2 of the macines are 2.66 systems and 1 is 2.0 system - all are QX machines
the 2.0 and 1 of the 2.66 will NOT boot from the ADM and disk inside the system - whereas the other 2.66 system will.
I have many different Caddies and these have different product/model number labels
603-9965
603-9545
603-9796
these are marked "intel SATA"
The 80Gb was only one of the drives tested - I have used Seagate 400Gb 750Gb and 1Tb - all of which have been used in systems at one time or another
and as I said the drives ARE visible once the operating system (either installation DVD or external firewire are booted from) - they are just NOT visible when the system is searching for boot media.
Thanks for the guide - I will look through that and continue to try and find an answer

Hard disk not recognised - will not boot from cd & No FW Target Disk mode

hi,
some help would be greatly appreciated.
Some time ago i was switching internal hard drives around and wound up with a kernel panic of some sort (see my previous posts).
following on from this I have tried FW target disk mode with no success, and it will not boot from a retail Tiger install disc (this machine has tiger installed (i think!). I can't force a boot from the optical drive and i also can't even force it to eject the disc inside to try another install DVD/CD (I have panther discs lying around also).
when i start up with the c key nothing happens, but when i start up with the alt/option key i get a closed padlock symbol, password entry field and a "right facing arrow" button.
anyone got any clues with this? i'm guessing it could either and/or be an internal hard drive ribbon failure (i have swapped internal HDs multiple times in this machine, which can't be good for it) or the familiar PRAM problem (although why would it not boot from an install DVD if this was the case?). I have changed the power supply unit in the past due to having a power cable snap off inside the original one - damage to PRAM caused by this?
help would be muchly appreciated!
Jesse

Hi, Jesse. Remove the hard drive and its cable, then see whether you can start up from a CD or DVD. If that works, replace your hard drive cable.

Need to erase hard drive and reinstall system on iMac but have misplaced original install disks. Tried to use a my copy of Snow lepord 10.6 from my Mac pro but will not boot. Can original install disks be replaced. Thanks

Need to erase hard drive and reinstall system on iMac but have misplaced original install disks. Tried to use a my copy of Snow lepord 10.6 from my Mac Pro but will not boot. Can original install disks be replaced. Thanks

Yes the original Install Discs can be replaced for a nominal fee. Call AppleCare, you will need a credit card and the serial number of the machine. You can use the AppleCare Contact Info for the phone number on your part of the planet.

After installing 10.6.8 will not boot even from 10.6 disk HELP

Will only start in safe mode, Safari crashes so no help there to get back to 10.6.7 and will not boot from my 10.6 SL disk. HELP! Can't find the orignal disks so I am in a bad way...

Call AppleCare and request replacement discs. You can also Zap the PRAM and Reset the SMC and see if those will fix things up. You updated to 10.6.8 w/o having a bootable backup/clone or Time Machine backup? Bad move, that.

Macbook Pro will not load OS and will not boot from Install Disk

When I try to turn on my macbook pro it goes to the gray logo screen with the spinning gear however it does not progress from there and then after several minutes it proceeds to restart itself and the same process repeats itself. I have tried to boot into single user mode with success and have run /sbin/fsck -fy and that has returned that the volume appears to be ok. However, when I hit reboot it returns to the same process of the gray screen and spinning gear to black screen which repeats. When I boot into verbose mode it progresses to AppleYukon2: RxRingSize <= 1024, TxRingSize 256, RXMAXLE 1024, TXMAXLE 768, STMAXLE 3328 then it stalls for several minutes and then it shows continuing
synchronizing disks... Killing processes
then it says some other stuff to fast to read.
When I try to boot from the install disk it will not boot from holding the c key it goes through the same aforementioned cycle. When using option to boot I can see the Disk then when I select it the cycle happens again.
Also I have XP installed and I am able to boot into that successfully. Any help would be greatly appreciated.
Not sure if I left anything out
-bryce

Welcome to Apple Discussions.
Do you have multiple Accounts defined on that system? The last time you successfully were running, did you run from the Account with Administrator privileges?
Do you have another computer from which you could boot and connect the Macbook Pro in Target Disk Mode to take a look at the drive from your working machine? Perhaps you can run Disk Utility from the working machine and point to the hard disk on the failing Macbook Pro.
Message was edited by: Rick Lang

I am in mavericks disk utility recovery mode as my mac book will not boot up & stays only on the grey apple screen. When I verify the disk I get open error5 :input /output error on Syst stuck on 1 minute pouring out over 50 error messages & still counting

I am in Mavericks disk utility recovery mode as my mac book pro will not boot up & stays on the Apple grey screen . When I verify disk permissions I get
Open error 5:"input/ output error" on syst with over 50 of this messages & still counting . Disk Utility says 1 minute
But this has been going on for over 10 mins .
I can not verify disk or repair disk .
I have tried to reinstall mavericks operating system but it says my hard drive is locked which is very strange .
Does anyone know what is going on here ?
My system looks like it has been totally corrupted . Thanks Andrew

Could be. The "lock" isn't actually looking for a password.
WARNING: This will completely erase the ENTIRE hard drive.
What you would need to do is boot to recovery > disk utility > select the MAIN drive on the left side > partition > change partition layout from CURRENT to 1 PARTITION > ensure on the right side it says Format : Mac OSX Extended (Journaled) then push APPLY.
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Mac Pro will not boot - HD and Machine are fine.

Greetings, and thank you in advance for your wisdom.
I have a 12-core Mac Pro, and she has been running like a dream. Once a month I run Onyx. Yesterday I did the same and upon reboot I got the grey apple screen and the spinning progress wheel that never stops spinning.
1. I repaired the HD via Disk Utility. All is fine.
2. The contents of the start-up drive are accessible - so the drive itself is not physically damaged.
3. I installed a new HD and made a copy of this Start-up disk via the Disk Utility. It will not boot from this drive as well.
4. I installed Snow Leopard (still using this) on the new drive to make sure the computer was happy. It fires up fine.
5. Everything is disconnected from the Mac Pro
So, I have obvious, and idiotically damaged the start-up disk using Onyx (assumption).
My life would be much better knowing I could do something that would enable me to boot from my current start-up and that's where I seek your wisdom.
Another question would be: If the above is not possible, if I install a fresh OS on the new drive, and then begin to replace all of the folders from the old drive (applications, library, etc.) will I be able to access my files as I did before. My issue is that I use this for music production, and there are literally close to 100 plugins that all have been registered. Going back through that process again would be days of labor, as some of these were purchases years ago. Tracking down serials would be a task. I think you understand.
So any advice that might prevent me from having to do as I said above will be wonderful.
Thank you all so much.
Lance

Under some circumstances, you may need to reinstall Mac OS X. You can reinstall Mac OS X while keeping your files and user settings intact.
from:
Mac OS X 10.6: Reinstalling Mac OS X
If your Hardware is functioning correctly, and your disk has no un-repaired Directory problems [Hint: run Disk Utility ( Repair Disk ) first] then re-installing Mac OS X modifies ONLY the files that are part of Mac OS X. Your Added Applications, User files (which contain preferences and serial numbers) are not supposed to be touched.

Airport extreme will not boot with USB hard disk plugged in.

Hi there,
I'm using the Airport Extreme Base Station, and I find that if I have a USB hard disk plugged into it, it will not boot up, it only hang-ups with an amber light, and stays there indefinitely. It's not a terrible issue because it can be overcome by unplugging the disk then rebooting, but it's irritating, especially when I'm not home and there is a power temporary outage and my wife can no longer access the internet or I can no longer access my disks over the internet.
Is there a solution to this problem?
Thanks,
Marc

I'm going to have to replace the unit, as I'm unable to turn off DHCP services, which is wreaking havoc on my server based environment.
Considering THIS issue *AND* the major DHCP show stopper, frankly, I'm debating etiher the fire pit or tossing the damned thing into the intersection and watching it be reduced to the trash that it is.
Either way, there'll be 7 feet of pack ice in **** before I buy another Apple networking product.
I'll decide later, with a jaundiced eye, regarding our XServe unit. Might reformat it to Linux...

Hard drive detected but will not boot Windows Vista or recovery disk

Hi,
I have a very similar issue with a HP Pavillion a6355.uk, the hard drive kept crshing windows and then it finally just kept getting pass the HP boot menu options, and then all I get is the DOS "@press ctrl+alt+del to restart".
The hard drive is detected and passes all the tests, after pressing F9, going into the F10 options. F11 does not do anything, so cannot recover windows/the system.
I have tried changing the SATA connections on the motherboard, no difference. I tried the recovery boot disk I created when it was working and it will not boot with the old or new hard drive I bought to replace it (same size and compatable).
I cannot find where to partition the new hard drive or format the c: on the old one (it had D: for the recovery, but as it won't boot, cannot access this).
I have also tried the HP website to dowload the drivers for the new one, but the page does not load up to show any drivers or Windows to download.
http://support.hp.com/gb-en/product/HP-Pavilion-a6300-Desktop-PC-series/3644673/model/3671505/driver...
The next page just keeps looping or not proceeding when I put in details.
I can’t find anywhere to get hold of my copy of windows vista for this PC or get a disk to re-install on a new drive or fix the old detected drive, can someone please help!!

Just what size HD and is the drive Sata II or Sata III?
Vista 32bit .iso You must have a valid installation key, which should be on the COA sticker on the computer, to activate the installation once it completes. ImageBurn to create the .iso disk. Driver page Vista (not 64 bit)
I am a volunteer. I am not an HP employee.
To say THANK YOU, press the "thumbs up symbol" to render a KUDO. Please click Accept as Solution, if your problem is solved. You can render both Solution and KUDO.
The Law of Effect states that positive reinforcement increases the probability of a behavior being repeated. (B.F.Skinner). You toss me KUDO and/or Solution, and I perform better.
(2) HP DV7t i7 3160QM 2.3Ghz 8GB
HP m9200t E8400,Win7 Pro 32 bit. 4GB RAM, ASUS 550Ti 2GB, Rosewill 630W. 1T HD SATA 3Gb/s
Custom Asus P8P67, I7-2600k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX660 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Custom Asus P8Z77, I7-3770k, 16GB RAM, WIN7 Pro 64bit, EVGA GTX670 2GB, 750W OCZ, 1T HD SATA 6Gb/s
Both Customs use Rosewill Blackhawk case.
Printer -- HP OfficeJet Pro 8600 Plus

Install Disk for Snow Leopard will not boot on an iMac 27in

My Install Disk for Snow Leopard will not boot on my iMac 27in. The Apple Logo is the only thing the user will see. The current OS on the system is 10.6.6. Upon placing the Snow Leopard DVD in the system, the DVD players spins for a few seconds and displays the Apple Logo. Nothing happens after 20 minutes.

Yes, it is ridiculous how it is impossible to install Snow Leopard. I have two Snow Leopard DVDs: one that I purchased for a Macbook soon after it's release (10.6.0), and one that came with my iMac (10.6.4). Both of these boot up my Macbook (running 10.6.7) just fine. My SL 10.6.0 DVD mounts onto my iMac (Lion 10.7.0), but you cannot run the install. I attempted to boot from this DVD and got the infinite white screen and Apple logo, as some have reported above. The other SL 10.6.4 DVD will not even mount in Lion, and will not even show up as a bootable drive when I attempt to select it after holding alt/option on reboot.
I created a bootable external drive from SL 10.6.0, attempted boot, same infinite white screen/apple logo.
I created a bootable external drive from SL 10.6.4 on my macbook. I attempted to boot from this drive, and got the white screen of death, except that this time I actually got the loading symbol underneath the Apple logo. After about a minute of attempting to boot, the Apple logo changed to a circle with a diagonal line through it (the "NO!" sign).
I took my iMac to the genius bar. They inserted SL 10.6.0, which would not boot. Then they determined that my computer had to run 10.6.4 and later. So, they restored an image of SL 10.6.4 onto my partition (not an install from an image, but an image of SL already installed). Hurray! Snow Leopard was successfully shoved onto my iMac!
I then deleted a third partition on my hard drive I did not need anymore, which somehow screwed up my SL partition (even though it said "Will not erase partition SL or Macintosh HD). Now I am back at square one, and I guess I need to take my flippin iMac back to Apple for them to do what I should be able to do.
I like Apple, but sheesh do I hate Lion right now.

Machine will not boot; hard drive makes clicking noise

My G4 will not boot up.
Here are the symptoms:
It passed the hardware test;
Will not perform a safe start - so cannot run disk utility;
Hard drive makes a clicking noise.
I'd appreciate any advice about how to proceed.
pdh

Yes, as mentioned backup now. best not to use your Mac till you do. The drive may fail for good. Here's some tips on replacing your drive (they are pretty inexpensive now);
This is by SDMacuser,
Even if you have never installed nor pulled a HD from a Powermac...... trust me....it is not all that difficult.
I can actually switch internal HD's among 3 separate G4 Towers I own in a matter of minutes (often less than 10 minutes).
Simply power the system down and ground yourself (a grounding strap is recommended or at the very least touching the metal frame to discharge any potential static electricity prior to actually touching the HD or any internal components on your system).
Disconnect the power cable to the back of the HD, then the long ide connector on the back of the HD / cable (pull straight back while grasping the black connector with 2 fingers ... do not yank the actual ribbon cable).
All of my HD's are mounted or bolted to their own metal sleds (either single sled or a dual sled) with 4 screws.
Unscrew the small screw (philips) holding the sled in place on position one below the ide connector or cable. And gently remove the sled & HD from the Powermac without bumping / damaging other internal components.
Remove the 4 screws from the sled itself holding the HD in place. Be careful not to allow the drive to fall once all screws have been removed.
Install the new HD (and make sure to address proper jumpers on the back of the HD itself.)
Now reverse this process with new HD for proper installation into the G4 Powermac.
Any questions just post back.
btw ... there are a few QT demos on apples web sites showing how to do this.
 Cheers! DALE

Tech tool disk will not boot machine ????

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