Toshiba L750 - 1T9 Webcam and microphone have disappeared

[steve1234_16]

Hello, my webcam and microphone have disappeared, when i try and use skype it says it cant find my sound card.
cant find either in device manager.

Thanks for any help

 

[rgd1101]

duplicate post

 

[steve1234_16]

but i added more detail to the title.