Retina macbook pro boots to black screen

I have a Retina MPB with SSD, etc. Recently after restarting my MPB, a FileVault dialog was presented - I clicked the "cancel" button. After this, my MBP has refused to boot past the initial Apple/grey screen, and instead, stays on a pitch black screen that displays only an active pointer cursor. Trackpad is responsive, as are all keyboard keys (they make the bonk sound after pressing many repeatedly).
Sadly, nothing else -- I was able to reboot using "command+P+R" to the MacOSX Utilities screen, and no issues were found with my startup disk, but restarting once again resulted in the black screen that was displayed within seconds affter the Apple/gray screen went away.
Anyone see this ever? And if so -- how do you resolve it???
~Douglas

OK - next bit of discovery: I rebooted in SAFE mode (hold Shift while boot - which apparently turns off the graphics support) and it successfully booted...but returns to black screen on boot even after downloading and installing the new Retina Thunderbolt 1.2 software update that was recently posted.
This had me recall one other recent "change" I made in attempts to have Aperture work a bit better/faster on what seems a very slugglish system...
Really want this resolved asap --

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             com.apple.GeForce(6.4.0)@0xc7d000->0xd33fff
                dependency: com.apple.NVDAResman(6.4.0)@0x98f000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x982000
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x949000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x960000
             com.apple.NVDAResman(6.4.0)@0x98f000->0xc7cfff
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x949000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x982000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x960000
    BSD process name corresponding to current thread: WindowServer
    Mac OS version:
    10K549
    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: MacBookPro6,2 (Mac-F22586C8)
    System uptime in nanoseconds: 10177875731756
    unloaded kexts:
    com.apple.filesystems.msdosfs          1.6.3 (addr 0x83407000, size 0x53248) - last unloaded 3154654100337
    loaded kexts:
    com.vara.driver.VaraAudio          1.0.3
    com.Cycling74.driver.Soundflower          1.6.2
    com.pctools.iantivirus.kfs          1.0.1
    com.apple.driver.AppleHWSensor          1.9.3d0 - last loaded 1594858749190
    com.apple.filesystems.autofs          2.1.0
    com.apple.driver.AppleMikeyHIDDriver          1.2.0
    com.apple.driver.AppleUpstreamUserClient          3.5.7
    com.apple.driver.AppleMCCSControl          1.0.20
    com.apple.driver.AppleMikeyDriver          2.0.5f14
    com.apple.driver.AGPM          100.12.31
    com.apple.driver.AppleHDA          2.0.5f14
    com.apple.driver.AudioAUUC          1.57
    com.apple.kext.AppleSMCLMU          1.5.2d10
    com.apple.driver.AppleIntelHDGraphics          6.4.0
    com.apple.driver.AppleIntelHDGraphicsFB          6.4.0
    com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0a1
    com.apple.GeForce          6.4.0
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.1.6
    com.apple.driver.AppleLPC          1.5.1
    com.apple.driver.AppleGraphicsControl          2.10.6
    com.apple.driver.SMCMotionSensor          3.0.1d2
    com.apple.driver.AppleUSBTCButtons          201.6
    com.apple.driver.AppleUSBTCKeyboard          201.6
    com.apple.driver.AppleIRController          303.8
    com.apple.driver.AppleUSBCardReader          2.6.1
    com.apple.BootCache          31.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.iokit.SCSITaskUserClient          2.6.8
    com.apple.iokit.IOAHCIBlockStorage          1.6.4
    com.apple.driver.AirPortBrcm43224          428.42.4
    com.apple.iokit.AppleBCM5701Ethernet          3.0.5b8
    com.apple.driver.AppleEFINVRAM          1.4.0
    com.apple.driver.AppleSmartBatteryManager          160.0.0
    com.apple.driver.AppleUSBHub          4.2.4
    com.apple.driver.AppleAHCIPort          2.1.7
    com.apple.driver.AppleFWOHCI          4.7.3
    com.apple.driver.AppleACPIButtons          1.3.6
    com.apple.driver.AppleRTC          1.3.1
    com.apple.driver.AppleUSBEHCI          4.2.4
    com.apple.driver.AppleHPET          1.5
    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          2.1.14
    com.apple.driver.AppleIntelCPUPowerManagement          142.6.0
    com.apple.driver.AppleProfileReadCounterAction          17
    com.apple.driver.DspFuncLib          2.0.5f14
    com.apple.driver.AppleProfileTimestampAction          10
    com.apple.driver.AppleProfileThreadInfoAction          14
    com.apple.driver.AppleProfileRegisterStateAction          10
    com.apple.driver.AppleProfileKEventAction          10
    com.apple.driver.AppleProfileCallstackAction          20
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.nvidia.nv50hal          6.4.0
    com.apple.driver.IOPlatformPluginFamily          4.7.0a1
    com.apple.iokit.IOFireWireIP          2.0.3
    com.apple.NVDAResman          6.4.0
    com.apple.iokit.IOSurface          74.2
    com.apple.iokit.IOBluetoothSerialManager          2.4.5f3
    com.apple.iokit.IOSerialFamily          10.0.3
    com.apple.iokit.IOAudioFamily          1.8.3fc2
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.AppleHDAController          2.0.5f14
    com.apple.iokit.IOHDAFamily          2.0.5f14
    com.apple.iokit.AppleProfileFamily          41
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleBacklightExpert          1.0.1
    com.apple.iokit.IONDRVSupport          2.2.1
    com.apple.iokit.IOGraphicsFamily          2.2.1
    com.apple.driver.AppleSMC          3.1.0d5
    com.apple.driver.BroadcomUSBBluetoothHCIController          2.4.5f3
    com.apple.driver.AppleUSBBluetoothHCIController          2.4.5f3
    com.apple.iokit.IOBluetoothFamily          2.4.5f3
    com.apple.driver.AppleUSBMultitouch          207.7
    com.apple.iokit.IOUSBHIDDriver          4.2.0
    com.apple.iokit.IOSCSIBlockCommandsDevice          2.6.8
    com.apple.iokit.IOUSBMassStorageClass          2.6.7
    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.iokit.IO80211Family          320.1
    com.apple.iokit.IONetworkingFamily          1.10
    com.apple.iokit.IOUSBUserClient          4.2.4
    com.apple.iokit.IOAHCIFamily          2.0.6
    com.apple.iokit.IOFireWireFamily          4.2.6
    com.apple.driver.AppleEFIRuntime          1.4.0
    com.apple.iokit.IOHIDFamily          1.6.6
    com.apple.iokit.IOUSBFamily          4.2.4
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          6
    com.apple.driver.DiskImages          289
    com.apple.iokit.IOStorageFamily          1.6.3
    com.apple.driver.AppleACPIPlatform          1.3.6
    com.apple.iokit.IOPCIFamily          2.6.5
    com.apple.iokit.IOACPIFamily          1.3.0
    Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i7, 2.66 GHz, 8 GB, SMC 1.58f17
    Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
    Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
    Memory Module: global_name
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.10.131.42.4)
    Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports
    Network Service: AirPort, AirPort, en1
    Serial ATA Device: TOSHIBA MK5055GSXF, 465.76 GB
    Serial ATA Device: MATSHITADVD-R   UJ-898
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: Deskjet F4400 series, 0x03f0  (Hewlett Packard), 0x7711, 0xfa140000 / 6
    USB Device: Internal Memory Card Reader, 0x05ac  (Apple Inc.), 0x8403, 0xfa130000 / 5
    USB Device: Apple Internal Keyboard / Trackpad, 0x05ac  (Apple Inc.), 0x0236, 0xfa120000 / 4
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 3
    USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8218, 0xfa113000 / 8
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: My Passport 0748, 0x1058  (Western Digital Technologies, Inc.), 0x0748, 0xfd130000 / 5
    USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8507, 0xfd110000 / 4
    USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0xfd120000 / 3
    I don't know if this is the same crash report but I saved another one too:
    Interval Since Last Panic Report:  149680 sec
    Panics Since Last Report:          6
    Anonymous UUID:                    8FD3B893-CF9A-463D-BF89-1278EB5F8177
    Sun May 11 21:05:02 2014
    panic(cpu 0 caller 0x9f5c9b): NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xc0000000 0xa684e000 0x0a5480a2, D0, P2/4
    Backtrace (CPU 0), Frame : Return Address (4 potential args on stack)
    0x7c2da188 : 0x21b837 (0x5dd7fc 0x7c2da1bc 0x223ce1 0x0)
    0x7c2da1d8 : 0x9f5c9b (0xc0b28c 0xc7b800 0xc19e60 0x0)
    0x7c2da278 : 0xb10608 (0xedbf804 0xe4ad004 0x100 0xcd52b6)
    0x7c2da2c8 : 0xb07601 (0xe4ad004 0x100 0x7c2da2f8 0x9e5778)
    0x7c2da2f8 : 0x16d79a6 (0xe4ad004 0x100 0x438004ee 0x7c2da308)
    0x7c2da438 : 0xb2f2b5 (0xe4ad004 0xe57b004 0x0 0x0)
    0x7c2da478 : 0x9fee7c (0xe4ad004 0xe57b004 0x0 0x0)
    0x7c2da518 : 0x9fb55b (0x0 0x9 0x0 0x0)
    0x7c2da6c8 : 0x9fd58f (0x0 0x600d600d 0x702b 0x7c2da6f8)
    0x7c2da798 : 0xcc0eae (0xc1d00041 0xbfef0033 0xbfef0034 0x857c)
    0x7c2da808 : 0xcd0734 (0x1dc5c400 0x1d96b580 0x8 0x1)
    0x7c2da828 : 0xcf5322 (0x1d96b580 0xb 0x7c2da848 0x2345f4)
    0x7c2da858 : 0xcf5b3d (0xf206000 0x0 0x7c2da87c 0x0)
    0x7c2da888 : 0xcd5d79 (0xf206000 0x988f6080 0x0 0x0)
    0x7c2da8d8 : 0xc97d0c (0x6d2ad000 0x0 0x0 0x3)
    0x7c2da948 : 0xc9740f (0x6d2ad000 0x0 0x2 0x3)
    0x7c2da978 : 0xc8d05f (0x6d2ad000 0x0 0x2 0x6d257000)
    0x7c2daab8 : 0xcc65d8 (0x6d257000 0x1 0x7c2dabcc 0x7c2dabc8)
    0x7c2dab68 : 0xc88fe1 (0x6d257000 0x1 0x7c2dabcc 0x7c2dabc8)
    0x7c2dabe8 : 0x56da06 (0x6d257000 0x0 0x7c2dae3c 0x7c2dac74)
    0x7c2dac38 : 0x56e2a5 (0xd17720 0x6d257000 0x1e079988 0x1)
    0x7c2dac88 : 0x56eb59 (0x6d257000 0x10 0x7c2dacd0 0x0)
    0x7c2dada8 : 0x286638 (0x6d257000 0x10 0x1e079988 0x1)
    0x7c2dbe58 : 0x21dbe5 (0x1e079960 0x1e3685a0 0x1ed788 0x5d43)
    0x7c2dbe98 : 0x210a86 (0x1e079900 0x0 0xddc1000 0xf2949d0)
    0x7c2dbef8 : 0x216f84 (0x1e079900 0x0 0x0 0x0)
    0x7c2dbf78 : 0x295c57 (0xdf767e8 0x0 0x0 0x0)
    0x7c2dbfc8 : 0x2a256d (0xdf767e4 0x0 0x10 0xf3ab3c0)
          Kernel Extensions in backtrace (with dependencies):
             com.apple.nvidia.nv50hal(6.4.0)@0x15a1000->0x19b5fff
                dependency: com.apple.NVDAResman(6.4.0)@0x98f000
             com.apple.GeForce(6.4.0)@0xc7d000->0xd33fff
                dependency: com.apple.NVDAResman(6.4.0)@0x98f000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x982000
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x949000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x960000
             com.apple.NVDAResman(6.4.0)@0x98f000->0xc7cfff
                dependency: com.apple.iokit.IOPCIFamily(2.6.5)@0x949000
                dependency: com.apple.iokit.IONDRVSupport(2.2.1)@0x982000
                dependency: com.apple.iokit.IOGraphicsFamily(2.2.1)@0x960000
    BSD process name corresponding to current thread: WindowServer
    Mac OS version:
    10K549
    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: MacBookPro6,2 (Mac-F22586C8)
    System uptime in nanoseconds: 26194070830465
    unloaded kexts:
    com.apple.driver.AppleWWANSupport          2.0.4b0 (addr 0x1432000, size 0x12288) - last unloaded 20460721782172
    loaded kexts:
    com.vara.driver.VaraAudio          1.0.3
    com.Cycling74.driver.Soundflower          1.6.2
    com.pctools.iantivirus.kfs          1.0.1
    com.apple.driver.AppleHWSensor          1.9.3d0 - last loaded 20385461271440
    com.apple.filesystems.autofs          2.1.0
    com.apple.driver.AGPM          100.12.31
    com.apple.driver.AppleMikeyHIDDriver          1.2.0
    com.apple.driver.AppleMikeyDriver          2.0.5f14
    com.apple.driver.AppleUpstreamUserClient          3.5.7
    com.apple.driver.AppleMCCSControl          1.0.20
    com.apple.driver.AppleHDA          2.0.5f14
    com.apple.driver.AudioAUUC          1.57
    com.apple.driver.AppleIntelHDGraphics          6.4.0
    com.apple.kext.AppleSMCLMU          1.5.2d10
    com.apple.driver.AppleIntelHDGraphicsFB          6.4.0
    com.apple.driver.SMCMotionSensor          3.0.1d2
    com.apple.Dont_Steal_Mac_OS_X          7.0.0
    com.apple.driver.AudioIPCDriver          1.1.6
    com.apple.GeForce          6.4.0
    com.apple.driver.ACPI_SMC_PlatformPlugin          4.7.0a1
    com.apple.driver.AppleLPC          1.5.1
    com.apple.driver.AppleGraphicsControl          2.10.6
    com.apple.driver.AppleUSBTCButtons          201.6
    com.apple.driver.AppleUSBCardReader          2.6.1
    com.apple.driver.AppleIRController          303.8
    com.apple.driver.AppleUSBTCKeyboard          201.6
    com.apple.iokit.SCSITaskUserClient          2.6.8
    com.apple.BootCache          31.1
    com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
    com.apple.iokit.IOAHCIBlockStorage          1.6.4
    com.apple.driver.AppleFWOHCI          4.7.3
    com.apple.driver.AppleUSBHub          4.2.4
    com.apple.driver.AirPortBrcm43224          428.42.4
    com.apple.iokit.AppleBCM5701Ethernet          3.0.5b8
    com.apple.driver.AppleEFINVRAM          1.4.0
    com.apple.driver.AppleSmartBatteryManager          160.0.0
    com.apple.driver.AppleAHCIPort          2.1.7
    com.apple.driver.AppleUSBEHCI          4.2.4
    com.apple.driver.AppleACPIButtons          1.3.6
    com.apple.driver.AppleRTC          1.3.1
    com.apple.driver.AppleHPET          1.5
    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          2.1.14
    com.apple.driver.AppleIntelCPUPowerManagement          142.6.0
    com.apple.driver.AppleProfileReadCounterAction          17
    com.apple.driver.DspFuncLib          2.0.5f14
    com.apple.driver.AppleProfileTimestampAction          10
    com.apple.driver.AppleProfileThreadInfoAction          14
    com.apple.driver.AppleProfileRegisterStateAction          10
    com.apple.driver.AppleProfileKEventAction          10
    com.apple.driver.AppleProfileCallstackAction          20
    com.apple.driver.AppleSMBusController          1.0.10d0
    com.apple.nvidia.nv50hal          6.4.0
    com.apple.iokit.IOFireWireIP          2.0.3
    com.apple.iokit.IOSurface          74.2
    com.apple.iokit.IOBluetoothSerialManager          2.4.5f3
    com.apple.iokit.IOSerialFamily          10.0.3
    com.apple.iokit.IOAudioFamily          1.8.3fc2
    com.apple.kext.OSvKernDSPLib          1.3
    com.apple.driver.AppleHDAController          2.0.5f14
    com.apple.iokit.IOHDAFamily          2.0.5f14
    com.apple.NVDAResman          6.4.0
    com.apple.iokit.AppleProfileFamily          41
    com.apple.driver.AppleSMC          3.1.0d5
    com.apple.driver.IOPlatformPluginFamily          4.7.0a1
    com.apple.driver.AppleSMBusPCI          1.0.10d0
    com.apple.driver.AppleBacklightExpert          1.0.1
    com.apple.iokit.IONDRVSupport          2.2.1
    com.apple.iokit.IOGraphicsFamily          2.2.1
    com.apple.driver.BroadcomUSBBluetoothHCIController          2.4.5f3
    com.apple.driver.AppleUSBBluetoothHCIController          2.4.5f3
    com.apple.iokit.IOBluetoothFamily          2.4.5f3
    com.apple.iokit.IOSCSIBlockCommandsDevice          2.6.8
    com.apple.iokit.IOUSBMassStorageClass          2.6.7
    com.apple.driver.AppleUSBMultitouch          207.7
    com.apple.iokit.IOUSBHIDDriver          4.2.0
    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.iokit.IOFireWireFamily          4.2.6
    com.apple.iokit.IOUSBUserClient          4.2.4
    com.apple.iokit.IO80211Family          320.1
    com.apple.iokit.IONetworkingFamily          1.10
    com.apple.iokit.IOAHCIFamily          2.0.6
    com.apple.iokit.IOUSBFamily          4.2.4
    com.apple.driver.AppleEFIRuntime          1.4.0
    com.apple.iokit.IOHIDFamily          1.6.6
    com.apple.iokit.IOSMBusFamily          1.1
    com.apple.kext.AppleMatch          1.0.0d1
    com.apple.security.TMSafetyNet          6
    com.apple.driver.DiskImages          289
    com.apple.iokit.IOStorageFamily          1.6.3
    com.apple.driver.AppleACPIPlatform          1.3.6
    com.apple.iokit.IOPCIFamily          2.6.5
    com.apple.iokit.IOACPIFamily          1.3.0
    Model: MacBookPro6,2, BootROM MBP61.0057.B0C, 2 processors, Intel Core i7, 2.66 GHz, 8 GB, SMC 1.58f17
    Graphics: NVIDIA GeForce GT 330M, NVIDIA GeForce GT 330M, PCIe, 512 MB
    Graphics: Intel HD Graphics, Intel HD Graphics, Built-In, 288 MB
    Memory Module: global_name
    AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x93), Broadcom BCM43xx 1.0 (5.10.131.42.4)
    Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports
    Network Service: AirPort, AirPort, en1
    Serial ATA Device: TOSHIBA MK5055GSXF, 465.76 GB
    Serial ATA Device: MATSHITADVD-R   UJ-898
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfa100000 / 2
    USB Device: Apple Internal Keyboard / Trackpad, 0x05ac  (Apple Inc.), 0x0236, 0xfa120000 / 5
    USB Device: BRCM2070 Hub, 0x0a5c  (Broadcom Corp.), 0x4500, 0xfa110000 / 4
    USB Device: Bluetooth USB Host Controller, 0x05ac  (Apple Inc.), 0x8218, 0xfa113000 / 8
    USB Device: Internal Memory Card Reader, 0x05ac  (Apple Inc.), 0x8403, 0xfa130000 / 3
    USB Device: Hub, 0x0424  (SMSC), 0x2514, 0xfd100000 / 2
    USB Device: Dell USB Optical Mouse, 0x413c  (Dell Inc.), 0x3012, 0xfd130000 / 5
    USB Device: IR Receiver, 0x05ac  (Apple Inc.), 0x8242, 0xfd120000 / 4
    USB Device: Built-in iSight, 0x05ac  (Apple Inc.), 0x8507, 0xfd110000 / 3

    First, uninstall the third-party software that installed these extensions:
    com.vara.driver.VaraAudio          1.0.3
    com.Cycling74.driver.Soundflower          1.6.2
    com.pctools.iantivirus.kfs          1.0.1
    Remove the Dell mouse and use the original mouse.
    See if the above help. If they don't:
    The problem is likely due to the discreet GPU failing. Download gfxCardStatus 2.3 and use it to disable the GPU. This is a temporary workaround until you get your motherboard replaced.
    MacBook Pro (15-inch, Mid 2010)- Intermittent black screen or loss of video

  • My macbook wont boot up, black screen and the cd drive keeps making a constant sound. What to do?

    My macbook wont boot up. When I turn it on, the screen turns black right away and the cd/dvd drive keeps making a constant "ejecting" sound.
    The strange thing though is that once in a while starts up propperly, but suddely goes black again (after a min. or two), and the ejecting sound comes back. What to do, and yh, I've never done a back up so would it be possible to take out the HD and regain whats in there?
    Any help would be appriciated!

    Hello. Try resetting the PRAM and SMC first.
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