Soundsystem shuts down

I literally cant hear a thing and I have done everything fourms have told me and nothing has worked, here is console can u please fix this bug!!

[10:35:05] [Client thread/INFO]: Setting user: Joek227
[10:35:05] [Client thread/INFO]: (Session ID is token:cbc6444e5d8c4070bc7931897ff9c9e8:01a7f4ca0bf04c63912670d55ffd84f2)
[10:35:05] [Client thread/INFO]: LWJGL Version: 2.9.1
[10:35:06] [Client thread/INFO]: Reloading ResourceManager: Default, Sphax PureBDcraft 128x MC18
[10:35:09] [Sound Library Loader/INFO]: Starting up SoundSystem...
[10:35:09] [Thread-6/INFO]: Initializing LWJGL OpenAL
[10:35:09] [Thread-6/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
AL lib: (EE) DoReset: Unhandled channel config: 4 – 0x00000107
AL lib: (EE) DoReset: Unhandled extensible channels: 4 – 0x00000107
AL lib: (EE) DoReset: Failed to initialize audio client: 0x80070057
Exception in thread "Thread-6" org.lwjgl.openal.OpenALException: Invalid Device
at org.lwjgl.openal.Util.checkALCError(Util.java:55)
at org.lwjgl.openal.ALC10.alcCreateContext(ALC10.java:251)
at org.lwjgl.openal.AL.init(AL.java:168)
at org.lwjgl.openal.AL.create(AL.java:138)
at org.lwjgl.openal.AL.create(AL.java:102)
at org.lwjgl.openal.AL.create(AL.java:201)
at paulscode.sound.libraries.LibraryLWJGLOpenAL.init(LibraryLWJGLOpenAL.java:164)
at paulscode.sound.SoundSystem.CommandNewLibrary(SoundSystem.java:1576)
at paulscode.sound.SoundSystem.CommandQueue(SoundSystem.java:2572)
at paulscode.sound.CommandThread.run(CommandThread.java:121)
[10:35:19] [Client thread/INFO]: Created: 4096x4096 textures-atlas
[10:35:49] [Sound Library Loader/WARN]: ERROR MESSAGE:
[10:35:49] [Sound Library Loader/INFO]: SoundSystem did not load after 30 seconds.
[10:35:49] [Sound Library Loader/INFO]: Starting up SoundSystem...
[10:35:49] [Thread-9/INFO]: Switching to No Sound
[10:35:49] [Thread-9/INFO]: (Silent Mode)
[10:35:50] [Sound Library Loader/INFO]: Sound engine started

someone help me not hearing anything is driving me crazy!