MacBook Pro has no sound - trying to connect to AirPlay

Hello,
I have the following issue - I noticed my Mac is trying to connect to some Air Play things (have no idea what is that; happens after the update to Yo 10.10.2) and the problem is it has no sound - I attached some files.

1. System Preference > Sound > Output
   Internal Speakers selected?
2. Try Reset SMC. http://support.apple.com/kb/HT3964
   Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
3. If there is red light visible in the headphone port plug the head phone into and out of the port
    couple of times to flip the microswitch inside. Sound may be stuck in digital mode.
4. Reinstalling iTunes may help sometimes.
Best.

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Hi DeathDrone,
Welcome to the HP Community! I will be happy to help with your sound problems. However, I will need some additional information to better assist you. What is your operating system? What is your product number?
Find your product number on a notebook:
http://h10025.www1.hp.com/ewfrf/wc/document?cc=us&lc=en&dlc=en&docname=c00033108
Finding your OS:
http://windows.microsoft.com/en-CA/windows/which-operating-system
Thank you,
Please click “Accept as Solution ” if you feel my post solved your issue.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Thank you,
BHK6
I work on behalf of HP

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Wed Sep 12 12:35:40 2012
panic(cpu 0 caller 0xffffff8002cbfefe): "Error 4 trying to transition CPU 1 to OFF"@/SourceCache/xnu/xnu-2050.7.9/osfmk/i386/acpi.c:179
Backtrace (CPU 0), Frame : Return Address
0xffffff80a3cbbc70 : 0xffffff8002c1d5f6
0xffffff80a3cbbce0 : 0xffffff8002cbfefe
0xffffff80a3cbbd40 : 0xffffff7f83fff075
0xffffff80a3cbbd70 : 0xffffff7f8400250a
0xffffff80a3cbbd90 : 0xffffff80030596de
0xffffff80a3cbbde0 : 0xffffff8003074a12
0xffffff80a3cbbe20 : 0xffffff800303c14e
0xffffff80a3cbbe60 : 0xffffff8003036742
0xffffff80a3cbbeb0 : 0xffffff80030401d4
0xffffff80a3cbbef0 : 0xffffff80030402af
0xffffff80a3cbbf30 : 0xffffff8003045b8a
0xffffff80a3cbbf80 : 0xffffff8003045cb9
0xffffff80a3cbbfb0 : 0xffffff8002cb2677
      Kernel Extensions in backtrace:
         com.apple.driver.AppleACPIPlatform(1.6)[30560B54-EE96-3FCB-BFDB-95FEF56D5163]@0 xffffff7f83ff5000->0xffffff7f8404bfff
            dependency: com.apple.iokit.IOACPIFamily(1.4)[A35915E8-C1B0-3C0F-81DF-5515BC9002FC]@0xfffff f7f83784000
            dependency: com.apple.iokit.IOPCIFamily(2.7)[8C9E06A4-13D0-33F5-A377-9E36F0ECC229]@0xffffff 7f8324d000
BSD process name corresponding to current thread: kernel_task
Mac OS version:
12A269
Kernel version:
Darwin Kernel Version 12.0.0: Sun Jun 24 23:00:16 PDT 2012; root:xnu-2050.7.9~1/RELEASE_X86_64
Kernel UUID: 8D5F8EF3-9D12-384B-8070-EF2A49C45D24
Kernel slide:     0x0000000002a00000
Kernel text base: 0xffffff8002c00000
System model name: MacBookPro5,3 (Mac-F22587C8)
System uptime in nanoseconds: 786227778005
last loaded kext at 145417769819: com.apple.filesystems.ntfs          3.10 (addr 0xffffff7f84d88000, size 368640)
last unloaded kext at 274320720028: org.navi.OemSMBIOS          1.0.0 (addr 0xffffff7f83856000, size 24576)
loaded kexts:
org.virtualbox.kext.VBoxNetAdp          4.1.20
org.virtualbox.kext.VBoxNetFlt          4.1.20
org.virtualbox.kext.VBoxUSB          4.1.20
org.virtualbox.kext.VBoxDrv          4.1.20
com.squirrels.airparrot.framebuffer          2
com.squirrels.driver.AirParrotSpeakers          1.7
org.usrsse2.NVClockX          1.0.2d1
org.mozodojo.ITEIT87x          1.0.3
org.mozodojo.NuvotonNCT677x          1.0.1
org.mozodojo.WinbondW836x          1.0.1
org.mozodojo.IntelCPUMonitor          1.0.1
org.netkas.FakeSMC          4.2.0
org.tgwbd.driver.NullCPUPowerManagement          1.0.0d2
es.osx86.driver.EvOreboot          1.0.3
com.apple.driver.AppleHWSensor          1.9.5d0
com.apple.iokit.IOUserEthernet          1.0.0d1
com.apple.iokit.IOBluetoothSerialManager          4.0.9f8
com.apple.Dont_Steal_Mac_OS_X          7.0.0
com.apple.driver.AGPM          100.12.69
com.apple.driver.AppleMikeyHIDDriver          122
com.apple.driver.AppleUpstreamUserClient          3.5.10
com.apple.driver.AppleHDA          2.3.0f2
com.apple.driver.AppleMikeyDriver          2.3.0f2
com.apple.GeForce          8.0.0
com.apple.iokit.BroadcomBluetoothHCIControllerUSBTransport          4.0.9f8
com.apple.driver.AppleSMCLMU          2.0.2d0
com.apple.driver.AppleMuxControl          3.2.6
com.apple.driver.ApplePolicyControl          3.2.6
com.apple.driver.AirPort.Brcm4331          600.15.20
com.apple.driver.ACPI_SMC_PlatformPlugin          1.0.0
com.apple.driver.AppleLPC          1.6.0
com.apple.driver.AppleMCCSControl          1.0.33
com.apple.driver.SMCMotionSensor          3.0.2d6
com.apple.nvenet          2.0.19
com.apple.filesystems.autofs          3.0
com.apple.driver.AppleUSBTCButtons          235.4
com.apple.driver.AppleUSBTCKeyboard          235.4
com.apple.driver.AppleIRController          320.15
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless          1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib          1.0.0d1
com.apple.BootCache          34
com.apple.iokit.SCSITaskUserClient          3.5.1
com.apple.driver.AppleUSBCardReader          3.1.0
com.apple.driver.XsanFilter          404
com.apple.iokit.IOAHCIBlockStorage          2.2.0
com.apple.driver.AppleUSBHub          5.1.6
com.apple.driver.AppleFWOHCI          4.9.5
com.apple.driver.AppleAHCIPort          2.4.0
com.apple.driver.AppleUSBEHCI          5.1.5
com.apple.driver.AppleUSBOHCI          5.1.5
com.apple.driver.AppleEFINVRAM          1.6.1
com.apple.driver.AppleSmartBatteryManager          161.0.0
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.nke.applicationfirewall          4.0.39
com.apple.security.quarantine          2
com.apple.driver.AppleIntelCPUPowerManagement          196.0.0
com.apple.iokit.IOSurface          86.0.2
com.apple.iokit.IOSerialFamily          10.0.6
com.apple.iokit.IOBluetoothFamily          4.0.9f8
com.apple.driver.DspFuncLib          2.3.0f2
com.apple.iokit.IOAudioFamily          1.8.9fc9
com.apple.kext.OSvKernDSPLib          1.6
com.apple.iokit.IOFireWireIP          2.2.5
com.apple.iokit.AppleBluetoothHCIControllerUSBTransport          4.0.9f8
com.apple.driver.AppleBacklightExpert          1.0.4
com.apple.driver.AppleGraphicsControl          3.2.6
com.apple.iokit.IO80211Family          500.15
com.apple.driver.AppleHDAController          2.3.0f2
com.apple.iokit.IOHDAFamily          2.3.0f2
com.apple.driver.IOPlatformPluginLegacy          1.0.0
com.apple.driver.AppleSMBusPCI          1.0.10d0
com.apple.driver.IOPlatformPluginFamily          5.2.0d16
com.apple.driver.AppleSMBusController          1.0.10d0
com.apple.nvidia.nv50hal          8.0.0
com.apple.NVDAResman          8.0.0
com.apple.iokit.IONDRVSupport          2.3.4
com.apple.iokit.IOGraphicsFamily          2.3.4
com.apple.driver.AppleSMC          3.1.3d11
com.apple.iokit.IONetworkingFamily          3.0
com.apple.driver.NVSMU          2.2.9
com.apple.kext.triggers          1.0
com.apple.driver.AppleUSBMultitouch          235.7
com.apple.iokit.IOUSBHIDDriver          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.IOSCSIBlockCommandsDevice          3.5.1
com.apple.iokit.IOUSBMassStorageClass          3.5.0
com.apple.iokit.IOAHCISerialATAPI          2.5.0
com.apple.iokit.IOSCSIArchitectureModelFamily          3.5.1
com.apple.driver.AppleUSBMergeNub          5.1.5
com.apple.driver.AppleUSBComposite          5.0.0
com.apple.iokit.IOUSBUserClient          5.0.0
com.apple.iokit.IOFireWireFamily          4.5.5
com.apple.iokit.IOAHCIFamily          2.2.0
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
System Profile:
Model: MacBookPro5,3, BootROM MBP53.00AC.B03, 2 processors, Intel Core 2 Duo, 2.66 GHz, 4 GB, SMC 1.30f3
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Graphics: NVIDIA GeForce 9600M GT, NVIDIA GeForce 9600M GT, PCIe, 256 MB
Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334548312D4346382020
Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80CE, 0x4D34373142353637334548312D4346382020
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.106.98.81.20)
Bluetooth: Version 4.0.9f8 10405, 2 service, 11 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: Hitachi HTS545032B9SA02, 320,07 GB
Serial ATA Device: MATSHITADVD-R   UJ-868
USB Device: Built-in iSight, apple_vendor_id, 0x8507, 0x24400000 / 2
USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0x0237, 0x04600000 / 3
USB Device: IR Receiver, apple_vendor_id, 0x8242, 0x04500000 / 2
USB Device: Internal Memory Card Reader, apple_vendor_id, 0x8403, 0x26500000 / 2
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2
USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x8213, 0x06110000 / 5
Thanks!

The last gasp is an OSX reinstall. If that fails, then the genius bar is the best option.
Ciao.

My macbook pro has a sound problme while booting .....

wen my sytem on sound s nt cuming ....i tryed to incress voliame its nt working .....i chke d system prefarance its shows no audio out presend ...after restaring my system sound came back ......n between its hapening ...how can i sove dis problam

Press the key combination command-F5 to deactivate VoiceOver. If that doesn't work, proceed as follows.
For OS X 10.7: From the menu bar, select
 ▹ System Preferences ▹ Universal Access ▹ Seeing ▹ VoiceOver: Off
For OS X 10.8: Select
 ▹ System Preferences ▹ Accessibility ▹ VoiceOver ▹ Enable VoiceOver: Off

Macbook pro has no sound feedback after yosemite install

Got Yosemite installed and for some reason there was no sound when increasing/decreasing the volume through the keys or the slider. I tried to hear a youtube video but it was not working, I am using chrome so could see that there was sound on the video as there was an icon on the web page tab. I re-started and went to the system preferences>sound and found that by default in the general section, the sound feedback is disabled. I did not test the sound after the re-start so i dont know if there were two issues, but enabled the sound feedback and now I can hear the volume when moving the slider, also the music is playing fine through the internal speakers.

1. System Preference > Sound > Output
   Internal Speakers selected?
2. Try Reset SMC. http://support.apple.com/kb/HT3964
   Choose the method for:
"Resetting SMC on portables with a battery you should not remove on your own".
3. If there is red light visible in the headphone port plug the head phone into and out of the port
    couple of times to flip the microswitch inside. Sound may be stuck in digital mode.
4. Reinstalling iTunes may help sometimes.
Best.

MacBook Pro has no sound - trying to connect to AirPlay

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