Cant find Mac OS boot after win 8.1 update.

Hi there,
Ive had a look around the net for a possible solution but no luck so far.
I recently installed Win 8.1 on a partition. My Macbook pro is a model A1398.
I was trying to create a shared partition. From Mac OS I made the new shared partition ex-FAT. I went into Win 8.1 reformatted it (cant remember if I left it at ex-FAT). In the process of restarting Win 8.1 was nice enough to download some updates and restarted itself.
From then on it doesnt see the Mac OS boot any more. Doesnt even boot into Windows! It has start up errors. I tried the command + R option and I cant do the following either:
1. I cant seem to do anything useful (unless Im missing something) with Disk Utility. Diagnostics show that the Mac OS X install is fine.
2. Cant re-install because it cant see any boot disk options to select from.
Right now Im screwed. Cant do anything with my "fancy pants" macbook pro. Any help would me much appreciated!
Cheers.

Had to revert to wiping everything out and starting from scratch. Didnt have a back up so thats the only way. Set the partition to GUID and Mac OS journalled.
Command + Option + P + R and then set it all to just one partition. Then re-install mac OS.
If the above start up option didnt work, try the command R then try the above option again.
Hoe this helps someone.

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Mon Jul 4 11:00:32 2011
panic(cpu 0 caller 0x2abf6a): Kernel trap at 0x57cf1b5a, type 14=page fault, registers:
CR0: 0x8001003b, CR2: 0x00000000, CR3: 0x00100000, CR4: 0x00000660
EAX: 0x00000000, EBX: 0x096b8100, ECX: 0x01500000, EDX: 0x00000001
CR2: 0x00000000, EBP: 0x57dd3df8, ESI: 0x00000001, EDI: 0x096b8100
EFL: 0x00010206, EIP: 0x57cf1b5a, CS: 0x00000008, DS: 0x00000010
Error code: 0x00000000
Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
0x57dd3be8 : 0x21b837 (0x5dd7fc 0x57dd3c1c 0x223ce1 0x0)
0x57dd3c38 : 0x2abf6a (0x59e3d0 0x57cf1b5a 0xe 0x59e59a)
0x57dd3d18 : 0x2a1a78 (0x57dd3d30 0x10001 0x57dd3df8 0x57cf1b5a)
0x57dd3d28 : 0x57cf1b5a (0xe 0x9790048 0x9790010 0x10)
0x57dd3df8 : 0x57cf1951 (0x96b8100 0x57cf1f64 0x57cf1f5c 0x7d22fc0)
0x57dd3e18 : 0x543f60 (0x96b8100 0x6c03f00 0x1 0x506b76)
0x57dd3e78 : 0x542137 (0x6c03f00 0x96b8100 0x7d28a00 0x9791da0)
0x57dd3f28 : 0x5426e9 (0x6c03f00 0x7d20340 0x0 0x516766)
0x57dd3f78 : 0x5443d5 (0x6c03f00 0x8 0x57dd3fac 0x1)
0x57dd3fc8 : 0x2a179c (0x9773aa0 0x0 0x2a17ab 0x7c1b000)
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BSD process name corresponding to current thread: kernel_task
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10K540
Kernel version:
Darwin Kernel Version 10.8.0: Tue Jun 7 16:33:36 PDT 2011; root:xnu-1504.15.3~1/RELEASE_I386
System model name: MacBookPro5,5 (Mac-F2268AC8)
System uptime in nanoseconds: 54454580752
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(none)
loaded kexts:
com.Cycling74.driver.Soundflower          1.5.1 - last loaded 54075922238
com.Logitech.Control Center.HID Driver          3.2.0
at.obdev.nke.LittleSnitch          2.2.05
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.iokit.CHUDUtils          3
com.apple.driver.AppleIntelYonahProfile          14
com.apple.driver.AppleMikeyHIDDriver          1.2.0
com.apple.iokit.CHUDProf          3
com.apple.driver.AppleUpstreamUserClient          3.5.7
com.apple.driver.AppleIntelPenrynProfile          17
com.apple.driver.AppleMikeyDriver          2.0.5f13
com.apple.driver.AppleHDA          2.0.5f13
com.apple.driver.AppleGraphicsControl          2.10.6
com.apple.driver.AppleMCCSControl          1.0.20
com.apple.driver.AppleIntelNehalemProfile          11
com.apple.driver.AirPortBrcm43xx          423.91.27
com.apple.driver.AudioIPCDriver          1.1.6
com.apple.nvenet          2.0.17
com.apple.driver.AppleBacklight          170.0.46
com.apple.kext.AppleSMCLMU          1.5.2d10
com.apple.driver.SMCMotionSensor          3.0.1d2
com.apple.driver.AppleIntelMeromProfile          19
com.apple.driver.AirPortBrcm43224          428.42.4
com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0a1
com.apple.driver.AppleLPC          1.5.1
com.apple.GeForce          6.3.6
com.apple.filesystems.autofs          2.1.0
com.apple.driver.AppleUSBTCButtons          201.6
com.apple.driver.AppleUSBTCKeyEventDriver          201.6
com.apple.driver.AppleUSBTCKeyboard          201.6
com.apple.driver.AppleIRController          303.8
com.apple.driver.AppleUSBCardReader          2.6.1
com.apple.iokit.SCSITaskUserClient          2.6.8
com.apple.iokit.IOAHCIBlockStorage          1.6.4
com.apple.BootCache          31.1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.driver.AppleUSBHub          4.2.4
com.apple.driver.AppleFWOHCI          4.7.3
com.apple.driver.AppleEFINVRAM          1.4.0
com.apple.driver.AppleAHCIPort          2.1.7
com.apple.driver.AppleUSBEHCI          4.2.4
com.apple.driver.AppleUSBOHCI          4.2.0
com.apple.driver.AppleHPET          1.5
com.apple.driver.AppleSmartBatteryManager          160.0.0
com.apple.driver.AppleRTC          1.3.1
com.apple.driver.AppleACPIButtons          1.3.6
com.apple.driver.AppleSMBIOS          1.7
com.apple.driver.AppleACPIEC          1.3.6
com.apple.driver.AppleAPIC          1.4
com.apple.driver.AppleIntelCPUPowerManagementClient          142.6.0
com.apple.security.sandbox          1
com.apple.security.quarantine          0
com.apple.nke.applicationfirewall          2.1.12
com.apple.driver.AppleIntelCPUPowerManagement          142.6.0
com.apple.iokit.KLog          2.4.5
com.apple.iokit.IOSurface          74.2
com.apple.iokit.IOBluetoothSerialManager          2.4.5f3
com.apple.iokit.IOSerialFamily          10.0.3
com.apple.driver.AppleHDAHardwareConfigDriver          2.0.5f13
com.apple.iokit.CHUDKernLib          3
com.apple.driver.DspFuncLib          2.0.5f13
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.iokit.IOAudioFamily          1.8.3fc2
com.apple.kext.OSvKernDSPLib          1.3
com.apple.driver.AppleHDAController          2.0.5f13
com.apple.iokit.IOHDAFamily          2.0.5f13
com.apple.driver.AppleBacklightExpert          1.0.1
com.apple.nvidia.nv50hal          6.3.6
com.apple.iokit.IOFireWireIP          2.0.3
com.apple.iokit.IO80211Family          320.1
com.apple.iokit.IONetworkingFamily          1.10
com.apple.driver.NVSMU          2.2.7
com.apple.driver.AppleSMC          3.1.0d5
com.apple.driver.IOPlatformPluginFamily          4.7.0a1
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.iokit.AppleProfileFamily          41
com.apple.NVDAResman          6.3.6
com.apple.iokit.IONDRVSupport          2.2
com.apple.iokit.IOGraphicsFamily          2.2
com.apple.driver.AppleUSBMultitouch          207.7
com.apple.driver.BroadcomUSBBluetoothHCIController          2.4.5f3
com.apple.driver.AppleUSBBluetoothHCIController          2.4.5f3
com.apple.iokit.IOBluetoothFamily          2.4.5f3
com.apple.iokit.IOUSBHIDDriver          4.2.0
com.apple.iokit.IOUSBMassStorageClass          2.6.7
com.apple.iokit.IOSCSIBlockCommandsDevice          2.6.8
com.apple.driver.AppleUSBMergeNub          4.2.4
com.apple.driver.AppleUSBComposite          3.9.0
com.apple.iokit.IOSCSIMultimediaCommandsDevice          2.6.8
com.apple.iokit.IOBDStorageFamily          1.6
com.apple.iokit.IODVDStorageFamily          1.6
com.apple.iokit.IOCDStorageFamily          1.6.1
com.apple.driver.XsanFilter          402.1
com.apple.iokit.IOAHCISerialATAPI          1.2.6
com.apple.iokit.IOSCSIArchitectureModelFamily          2.6.8
com.apple.driver.AppleFileSystemDriver          2.0
com.apple.iokit.IOUSBUserClient          4.2.4
com.apple.iokit.IOFireWireFamily          4.2.6
com.apple.iokit.IOAHCIFamily          2.0.6
com.apple.iokit.IOUSBFamily          4.2.4
com.apple.driver.AppleEFIRuntime          1.4.0
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com.apple.iokit.IOSMBusFamily          1.1
com.apple.security.TMSafetyNet          6
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com.apple.driver.DiskImages          289.1
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+Message was translated by google translator+

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2 hours?
A day?
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Hello dn:
As an aside, comparing Windows to OS X is like
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By the by, these forums are user-to-user. Everyone
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articles.
Barry
OK, So I'm a cry baby.
But I do not buy your argument that it was all my fault. After I inrterupted the hour ling gray screen and ran and fixed a few previlige problems and tried again over 2 hour went by with nothing but the gray screen.
Archive and intall did get me back and running, but by now 4 -5 hours of my life are gone that I want back!
And the tone on this whole board seems to be we MacBook owners, who unsupectingly trusted Apple and let the Automaitic Software Update have its way with a computer that was functioning just fine, the result of which is a computer that needs to have the OS reinstalled, are at fault for having poor prior knowledge?
I bring up Microsoft because they are BAD. They have an OS that allows 3rd parties to install code to render your computer useless at best, a robot of evil at worst.
Yet here we have the Apple, a trusted known entity and the manufacture of not only the hardware but the OS handing us an install that should have just WORKED.
So al I can think is the Delta install is the culprit, since I had previously been on 10.4.7 and the Archive & Install put in 10.4.6. The Combined installer is ok.
Again MacBook owners are victimized for keeping current?
Some one at Apple deserves a dummy slap at least.
MacBook owners represent the "Switchers". They bought on style and a promis of stability and reliability. Not the allure of becoming UNIX Geeks or even Uber User or browsers of forums. They came from that dull gray world out there where viruse roam but if you let automatic updates run and loaded up with antiv virus and spyware scanners, things pretty much worked.
I'm not new to mac as I have been usinge them since I shelled out $3,500 for a Mac SE. (Don't laugh). I gave up however being a Uber User and I at least am tenaciouse enought to find this discussion board. I suspect there are going to be a lot of busy Mac "Geniouses" for the next few days as ordinary computer users stream in with MacBooks with gray screens.
You know Sony support totally *****, but they are rated the best on the PC side for customer satisfaction. Why? You almost never have to seek support from Sony.
Again I'm just ******** 'casue it happend to me on a new laptop that was bone stock. Its working now so problem solved.

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