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  1. #1


    Member Since
    Aug 26, 2013
    Posts
    9
    Macbook Pro Restarts Randomly When Connected to Monitor
    Hello there,

    I have a 15" Macbook Pro, with a 2.4Ghz Intel Core i5 processor, 8GB DDR3 memory, and running OS X 10.8.4.

    When I connect my Macbook Pro to my Samsung monitor using the VGA to HDMI adapter it randomly restarts.

    What could be causing this?

    What could I check out on my Macbook Pro that would indicate the cause?

    Thanks guys.

  2. #2

    JohnCL's Avatar
    Member Since
    Jan 29, 2009
    Location
    Kansas City
    Posts
    1,202
    Specs:
    -->
    Based on the specs of the machine I am assuming that this is a Mid 2010 laptop. The first thing that you can try is the Apple Hardware Test to see if it reports any issues.

    Also, if you have another VGA adapter try to swap it out to see if the issue continues.
    13" rMBP 256gb | Mac Mini | 24" ACD | 64GB Verizon iPhone 6s Plus | 128GB iPad Pro LTE | 16GB iPad mini 2 | Gen 7 Nano | Gen 4 iPod Touch | TV1 | TV3 | TV4 | Watch Sport 42mm Space Gray

  3. #3


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by JohnCL View Post
    Based on the specs of the machine I am assuming that this is a Mid 2010 laptop. The first thing that you can try is the Apple Hardware Test to see if it reports any issues.

    Also, if you have another VGA adapter try to swap it out to see if the issue continues.
    Thanks. Will do.

    I actually made a mistake stating which cable it was. I'm actually using the MiniDisplay port to HDMI port. I just ordered a replacement for that cable; so I hope it works and makes the difference.

  4. #4


    Member Since
    Aug 26, 2013
    Posts
    9
    I got my new MiniDisplay port to HDMI today. I used it, and within ten minutes it restarted randomly again.

    I have also tried the Apple Hardware Test. After reading the instructions again, I saw that I had to press Option + D in order for it start. Once it did start, though, it said that "this machine does not support Apple Hardware Test."

    I'm back to square one. Any advice guys?

    Thanks.

  5. #5


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by JohnCL View Post
    Based on the specs of the machine I am assuming that this is a Mid 2010 laptop. The first thing that you can try is the Apple Hardware Test to see if it reports any issues.

    Also, if you have another VGA adapter try to swap it out to see if the issue continues.
    I got my new MiniDisplay port to HDMI today. I used it, and within ten minutes it restarted randomly again.

    I have also tried the Apple Hardware Test. After reading the instructions again, I saw that I had to press Option + D in order for it start. Once it did start, though, it said that "this machine does not support Apple Hardware Test."

    I'm back to square one. Any advice guys?

    Thanks.

  6. #6

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    49,409
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    I have to ask.... why are you using a VGA to HDMI adapter from your MacBook Pro to the Samsung monitor? Your MacBook Pro has a MiniDisplay Port output which supports DVI. VGA is strictly analog while DVI is digital. I don't know for sure if that's your problem, but you might want to change adapters. If your Samsung monitor has a DVI input, that would be even better.

  7. #7


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by chscag View Post
    I have to ask.... why are you using a VGA to HDMI adapter from your MacBook Pro to the Samsung monitor? Your MacBook Pro has a MiniDisplay Port output which supports DVI. VGA is strictly analog while DVI is digital. I don't know for sure if that's your problem, but you might want to change adapters. If your Samsung monitor has a DVI input, that would be even better.
    I actually made a mistake stating which cable it was. I'm actually using the MiniDisplay port to HDMI port.

    I got my new MiniDisplay port to HDMI today. I used it, and within ten minutes it restarted randomly again.

    I have also tried the Apple Hardware Test. After reading the instructions again, I saw that I had to press Option + D in order for it start. Once it did start, though, it said that "this machine does not support Apple Hardware Test."

  8. #8

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    49,409
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    Let me see if I understand exactly what you're doing....

    You have a MiniDisplay Port to HDMI adapter connected from your MacBook Pro to a HDMI cable, and then plug the HDMI cable into the HDMI port on your Samsung monitor? Is that correct?

  9. #9


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by chscag View Post
    Let me see if I understand exactly what you're doing....

    You have a MiniDisplay Port to HDMI adapter connected from your MacBook Pro to a HDMI cable, and then plug the HDMI cable into the HDMI port on your Samsung monitor? Is that correct?
    Yep. Correct. That's how I have it connected.

    It randomly restarts, and I'm trying to figure out the cause.

    My only guess is that I'm opening up my programs too fast. I only open programs like Safari, iTunes, Mail, and Microsoft Word. It should be able to handle opening up those programs right?

    Would you happen to know how I can find the cause of the restarting? Some way to diagnose the MacBook Pro, maybe?

    Thanks.

  10. #10

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
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    26,514
    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    I'm not clear exactly what is happening?

    Are you getting a kernel panic, does the screen just black out and come back, the machine shuts down, or is it shutting down and restarting all on it's own (and you see the whole boot process and log in)?
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  11. #11


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by bobtomay View Post
    I'm not clear exactly what is happening?

    Are you getting a kernel panic, does the screen just black out and come back, the machine shuts down, or is it shutting down and restarting all on it's own (and you see the whole boot process and log in)?
    What happens is that when I'm connected to my Samsung monitor, my MacBook Pro will randomly restart. It may be 5 minutes into using it, or 20, or 40 minutes where it simply restarts without warning.

    My only hunch as to the cause is that I'm opening too many programs at once. I've noticed that it sometimes triggers the restart.

    As to the kernel panic, I don't really know what that is. If you're referring to that message you receive when the MacBook restarts that's written in different languages, then yes, I'm receiving that.

  12. #12

    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    49,409
    Specs:
    Late 2013 27" iMac, iPad 3, iPhone 6s+, iPhone 6+, 3 iPods, Sierra
    OK, that's a better definition of what's going on. Random restarts are usually triggered by faulty hardware such as a bad power supply, failing memory, or overheating. I don't believe your Samsung monitor by itself is the cause by very likely adds to the cause when attached. May be a bad or overheating video chipset that acts up when the monitor is attached. ?? That's a tough one to track down.

  13. #13

    bobtomay's Avatar
    Member Since
    Dec 22, 2006
    Location
    Texas, where else?
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    Specs:
    15" MBP '06 2.33 C2D 4GB 10.7; 13" MBA '14 1.8 i7 8GB 10.11; 21" iMac '13 2.9 i5 8GB 10.11; 6S
    What I'm trying to get at:

    1. Do you get the kernel panic (yes, it's that multi-language screen) that tells you to power the unit off and restart. You have to hold down the power button to shut it off and then press it again to restart the computer.

    versus:

    2. the computer actually shuts down and reboots - no error - no warning - just all of a sudden it's re-started itself

    versus:

    3. the computer just shuts down - no error - no warning
    and you have to press the power button to restart it

    Or some combination of the above.

    Opening a whole bunch of applications by itself would not cause any of the above.

    If number 3 - that is a typical overheating issue and my first question would be, what is the computer sitting on when you have it connected to the TV?

    If number 2 - almost always a hardware issue, though I have seen some bad applications do it on rare occasions.

    If number 1 - is typically hardware, although it can be software related. Would tend to agree with chscag's assessment, that running the external monitor is just exacerbating the issue.

    Try posting the log of the error - can be found in /Library/Logs/DiagnosticReports

    Also try running the machine in Safe Mode to see if it still happens.
    I cannot be held responsible for the things that come out of my mouth.
    In the Windows world, most everything folks don't understand is called a virus.

  14. #14


    Member Since
    Mar 06, 2013
    Posts
    10
    Could be the HDMI cable?
    There are different types of hdmi cables.

    Try here: HDMI :: Manufacturer :: HDMI 1.4 :: Finding the Right Cable

    I had an hdmi cable going from my mac mini that wouldn't pass the sound with the video. Changed cables and that did it.

  15. #15


    Member Since
    Aug 26, 2013
    Posts
    9
    Quote Originally Posted by bobtomay View Post
    What I'm trying to get at:

    1. Do you get the kernel panic (yes, it's that multi-language screen) that tells you to power the unit off and restart. You have to hold down the power button to shut it off and then press it again to restart the computer.

    versus:

    2. the computer actually shuts down and reboots - no error - no warning - just all of a sudden it's re-started itself

    versus:

    3. the computer just shuts down - no error - no warning
    and you have to press the power button to restart it

    Or some combination of the above.

    Opening a whole bunch of applications by itself would not cause any of the above.

    If number 3 - that is a typical overheating issue and my first question would be, what is the computer sitting on when you have it connected to the TV?

    If number 2 - almost always a hardware issue, though I have seen some bad applications do it on rare occasions.

    If number 1 - is typically hardware, although it can be software related. Would tend to agree with chscag's assessment, that running the external monitor is just exacerbating the issue.

    Try posting the log of the error - can be found in /Library/Logs/DiagnosticReports

    Also try running the machine in Safe Mode to see if it still happens.
    Hey there guys.

    Thanks for the feedback!

    The issue happened today again. I went to the /Library/Logs/Diagnostics. I have copied the entire error code. Please forgive me if I wasn't supposed to copy and paste the entire thing. I don't know what is relevant and not relevant to post about the error.

    Here it is (and many thanks!):

    Sun Sep 1 22:01:01 2013
    panic(cpu 0 caller 0xffffff7f9ebf1f1a): "GPU Panic: [<None>] 3 3 7f 0 0 0 0 3 : NVRM[0/1:0:0]: Read Error 0x00000100: CFG 0xffffffff 0xffffffff 0xffffffff, BAR0 0xd2000000 0xffffff810d917000 0x0a5480a2, D0, P2/4\n"@/SourceCache/AppleGraphicsControl/AppleGraphicsControl-3.4.5/src/AppleMuxControl/kext/GPUPanic.cpp:127
    Backtrace (CPU 0), Frame : Return Address
    0xffffff810d64add0 : 0xffffff801ca1d626
    0xffffff810d64ae40 : 0xffffff7f9ebf1f1a
    0xffffff810d64af10 : 0xffffff7f9d15ff1e
    0xffffff810d64afd0 : 0xffffff7f9d23412d
    0xffffff810d64b010 : 0xffffff7f9d23418e
    0xffffff810d64b080 : 0xffffff7f9d4faed0
    0xffffff810d64b1b0 : 0xffffff7f9d25ca75
    0xffffff810d64b1d0 : 0xffffff7f9d166d50
    0xffffff810d64b280 : 0xffffff7f9d1647d0
    0xffffff810d64b480 : 0xffffff7f9d16610a
    0xffffff810d64b550 : 0xffffff7f9e1824a8
    0xffffff810d64b690 : 0xffffff7f9e181f94
    0xffffff810d64b6a0 : 0xffffff7f9e145348
    0xffffff810d64b6b0 : 0xffffff7f9e1453bd
    0xffffff810d64b6c0 : 0xffffff7f9e12643c
    0xffffff810d64b700 : 0xffffff7f9e128b6c
    0xffffff810d64b730 : 0xffffff7f9e17c15d
    0xffffff810d64b7b0 : 0xffffff7f9e1633e0
    0xffffff810d64b810 : 0xffffff7f9e163cc1
    0xffffff810d64b860 : 0xffffff7f9e164214
    0xffffff810d64b8d0 : 0xffffff7f9e1649d3
    0xffffff810d64b910 : 0xffffff7f9e12fe2f
    0xffffff810d64ba90 : 0xffffff7f9e160f0f
    0xffffff810d64bb50 : 0xffffff7f9e12e8c8
    0xffffff810d64bba0 : 0xffffff801ce66e69
    0xffffff810d64bbc0 : 0xffffff801ce68410
    0xffffff810d64bc20 : 0xffffff801ce65e2f
    0xffffff810d64bd70 : 0xffffff801ca98c01
    0xffffff810d64be80 : 0xffffff801ca20b3d
    0xffffff810d64beb0 : 0xffffff801ca10448
    0xffffff810d64bf00 : 0xffffff801ca1961b
    0xffffff810d64bf70 : 0xffffff801caa6536
    0xffffff810d64bfb0 : 0xffffff801cace9e3
    Kernel Extensions in backtrace:
    com.apple.driver.AppleMuxControl(3.4.5)[49FEF732-D7A3-327B-A7AA-6AC5A6E3DCFF]@0xffffff7f9ebe4000->0xffffff7f9ebf6fff
    dependency: com.apple.driver.AppleBacklightExpert(1.0.4)[1D0BB11E-7D71-34CF-ACC3-57DF01CADA08]@0xffffff7f9ebdf000
    dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffffff7f9d068000
    dependency: com.apple.driver.AppleGraphicsControl(3.4.5)[4A2C8548-7EF1-38A9-8817-E8CB34B8DCA6]@0xffffff7f9ebcb000
    dependency: com.apple.iokit.IOACPIFamily(1.4)[A35915E8-C1B0-3C0F-81DF-5515BC9002FC]@0xffffff7f9cfe8000
    dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xffffff7f9d0ea000
    dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0xffffff7f9d0a7000
    com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9d0fe000->0xffffff7f9d3a3fff
    dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffffff7f9d068000
    dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xffffff7f9d0ea000
    dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0xffffff7f9d0a7000
    com.apple.nvidia.nv50hal(8.1.2)[988EAF3A-3318-3787-8A5A-844830FA1522]@0xffffff7f9d3af000->0xffffff7f9d683fff
    dependency: com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9d0fe000
    dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffffff7f9d068000
    com.apple.GeForce(8.1.2)[7EC545A4-4B57-32F1-8DC3-C31023AFBDCB]@0xffffff7f9e11c000->0xffffff7f9e1e9fff
    dependency: com.apple.NVDAResman(8.1.2)[96AE69DE-8A37-39D0-B2D3-D8446A6AA670]@0xffffff7f9d0fe000
    dependency: com.apple.iokit.IONDRVSupport(2.3.7)[6C8CFC18-75F0-3DEF-86C7-CEB2C1FD6BB1]@0xffffff7f9d0ea000
    dependency: com.apple.iokit.IOPCIFamily(2.7.3)[1D668879-BEF8-3C58-ABFE-FAC6B3E9A292]@0xffffff7f9d068000
    dependency: com.apple.iokit.IOGraphicsFamily(2.3.7)[990D1A42-DF16-3AB9-ABC1-6A88AC142244]@0xffffff7f9d0a7000

    BSD process name corresponding to current thread: WindowServer

    Mac OS version:
    12E55

    Kernel version:
    Darwin Kernel Version 12.4.0: Wed May 1 17:57:12 PDT 2013; root:xnu-2050.24.15~1/RELEASE_X86_64
    Kernel UUID: 896CB1E3-AB79-3DF1-B595-549DFFDF3D36
    Kernel slide: 0x000000001c800000
    Kernel text base: 0xffffff801ca00000
    System model name: MacBookPro6,2 (Mac-F22586C8)

    System uptime in nanoseconds: 3137920077364
    last loaded kext at 269448888069: com.apple.filesystems.msdosfs 1.8.1 (addr 0xffffff7f9ecf3000, size 65536)
    last unloaded kext at 417892303247: com.apple.filesystems.msdosfs 1.8.1 (addr 0xffffff7f9ecf3000, size 57344)
    loaded kexts:
    com.apple.driver.AudioAUUC 1.60
    com.apple.driver.AppleHWSensor 1.9.5d0
    com.apple.driver.AGPM 100.12.87
    com.apple.iokit.IOBluetoothSerialManager 4.1.4f2
    com.apple.driver.AppleHDA 2.3.7fc4
    com.apple.driver.AppleUpstreamUserClient 3.5.10
    com.apple.driver.AppleIntelHDGraphics 8.1.2
    com.apple.iokit.IOUserEthernet 1.0.0d1
    com.apple.GeForce 8.1.2
    com.apple.Dont_Steal_Mac_OS_X 7.0.0
    com.apple.driver.ApplePolicyControl 3.4.5
    com.apple.driver.AppleLPC 1.6.0
    com.apple.driver.AppleMuxControl 3.4.5
    com.apple.driver.ACPI_SMC_PlatformPlugin 1.0.0
    com.apple.driver.AppleIntelHDGraphicsFB 8.1.2
    com.apple.driver.AppleMikeyHIDDriver 122
    com.apple.filesystems.autofs 3.0
    com.apple.driver.AppleSMCPDRC 1.0.0
    com.apple.driver.AppleSMCLMU 2.0.3d0
    com.apple.iokit.BroadcomBluetoothHCIControllerUSBT ransport 4.1.4f2
    com.apple.driver.AppleMikeyDriver 2.3.7fc4
    com.apple.driver.AppleMCCSControl 1.1.11
    com.apple.driver.SMCMotionSensor 3.0.3d1
    com.apple.driver.AppleUSBTCButtons 237.1
    com.apple.driver.AppleIRController 320.15
    com.apple.driver.AppleUSBCardReader 3.1.7
    com.apple.driver.AppleUSBTCKeyboard 237.1
    com.apple.AppleFSCompression.AppleFSCompressionTyp eDataless 1.0.0d1
    com.apple.AppleFSCompression.AppleFSCompressionTyp eZlib 1.0.0d1
    com.apple.BootCache 34
    com.apple.iokit.SCSITaskUserClient 3.5.5
    com.apple.driver.XsanFilter 404
    com.apple.iokit.IOAHCIBlockStorage 2.3.1
    com.apple.driver.AppleFWOHCI 4.9.6
    com.apple.driver.AppleAHCIPort 2.5.2
    com.apple.driver.AppleUSBHub 5.5.5
    com.apple.driver.AirPort.Brcm4331 615.20.17
    com.apple.iokit.AppleBCM5701Ethernet 3.6.1b4
    com.apple.driver.AppleUSBEHCI 5.5.0
    com.apple.driver.AppleSmartBatteryManager 161.0.0
    com.apple.driver.AppleEFINVRAM 1.7
    com.apple.driver.AppleACPIButtons 1.7
    com.apple.driver.AppleRTC 1.5
    com.apple.driver.AppleHPET 1.8
    com.apple.driver.AppleSMBIOS 1.9
    com.apple.driver.AppleACPIEC 1.7
    com.apple.driver.AppleAPIC 1.6
    com.apple.driver.AppleIntelCPUPowerManagementClien t 196.0.0
    com.apple.nke.applicationfirewall 4.0.39
    com.apple.security.quarantine 2.1
    com.apple.driver.AppleIntelCPUPowerManagement 196.0.0
    com.apple.iokit.IOSerialFamily 10.0.6
    com.apple.driver.DspFuncLib 2.3.7fc4
    com.apple.iokit.IOAudioFamily 1.8.9fc11
    com.apple.kext.OSvKernDSPLib 1.6
    com.apple.nvidia.nv50hal 8.1.2
    com.apple.NVDAResman 8.1.2
    com.apple.iokit.IOSurface 86.0.4
    com.apple.iokit.IOBluetoothFamily 4.1.4f2
    com.apple.driver.AppleGraphicsControl 3.4.5
    com.apple.driver.IOPlatformPluginLegacy 1.0.0
    com.apple.kext.triggers 1.0
    com.apple.driver.IOPlatformPluginFamily 5.3.0d51
    com.apple.driver.AppleHDAController 2.3.7fc4
    com.apple.iokit.IOHDAFamily 2.3.7fc4
    com.apple.iokit.AppleBluetoothHCIControllerUSBTran sport 4.1.4f2
    com.apple.iokit.IOFireWireIP 2.2.5
    com.apple.driver.AppleSMBusPCI 1.0.11d0
    com.apple.driver.AppleBacklightExpert 1.0.4
    com.apple.iokit.IONDRVSupport 2.3.7
    com.apple.driver.AppleSMBusController 1.0.11d0
    com.apple.iokit.IOGraphicsFamily 2.3.7
    com.apple.driver.AppleSMC 3.1.4d2
    com.apple.iokit.IOSCSIBlockCommandsDevice 3.5.5
    com.apple.iokit.IOUSBMassStorageClass 3.5.1
    com.apple.driver.AppleUSBMultitouch 237.3
    com.apple.iokit.IOUSBHIDDriver 5.2.5
    com.apple.driver.AppleUSBMergeNub 5.5.5
    com.apple.driver.AppleUSBComposite 5.2.5
    com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.5.5
    com.apple.iokit.IOBDStorageFamily 1.7
    com.apple.iokit.IODVDStorageFamily 1.7.1
    com.apple.iokit.IOCDStorageFamily 1.7.1
    com.apple.iokit.IOAHCISerialATAPI 2.5.1
    com.apple.iokit.IOSCSIArchitectureModelFamily 3.5.5
    com.apple.iokit.IOFireWireFamily 4.5.5
    com.apple.iokit.IOAHCIFamily 2.3.1
    com.apple.iokit.IOUSBUserClient 5.5.5
    com.apple.iokit.IO80211Family 530.4
    com.apple.iokit.IOEthernetAVBController 1.0.2b1
    com.apple.iokit.IONetworkingFamily 3.0
    com.apple.iokit.IOUSBFamily 5.6.0
    com.apple.driver.AppleEFIRuntime 1.7
    com.apple.iokit.IOHIDFamily 1.8.1
    com.apple.iokit.IOSMBusFamily 1.1
    com.apple.security.sandbox 220.3
    com.apple.kext.AppleMatch 1.0.0d1
    com.apple.security.TMSafetyNet 7
    com.apple.driver.DiskImages 345
    com.apple.iokit.IOStorageFamily 1.8
    com.apple.driver.AppleKeyStore 28.21
    com.apple.driver.AppleACPIPlatform 1.7
    com.apple.iokit.IOPCIFamily 2.7.3
    com.apple.iokit.IOACPIFamily 1.4
    com.apple.kec.corecrypto 1.0

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