Headphone & speaker option missing ,only digital output

i am using hp G42 370TU notebook pc , operating system windows 7 (32) .Few day's back my headphone & speaker option missing ,only digital output after staring windows . Speaker option & sound available after restarting the laptop for several times. After this problem i download & installed audio driver from hp.But this problem is not solved. An updated latest antivirus is installed in my laptop. i have tried by re-installing windows.sound appear after rebooting the laptop for seveal times .but again it missed by shut down or sleep or hibernet. i have installed latest & old realtec audio driver available for this laptop.but after starting the windows only digital ouput & the audio driver also missing. At this time the microsoft trouble shooting shows no peripheral speakers or headphone is not connected.please tell me about probable solution for this problem.
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Hi,
As a further test to identify whether this is a hardware or software issue, try the following.
1. Create a bootable Ubuntu CD - a guide on creating an Ubuntu CD and the download can be found Here.
2. When created, follow the guide on the link below to Try Ubuntu.
http://www.ubuntu.com/download/help/try-ubuntu-before-you-install
The 'Try Ubuntu' option runs the OS from the CD without the need to install on your HDD. It will be slow running from a CD but let me know if you get audio.
Regards,
DP-K
****Click the White thumb to say thanks****
****Please mark Accept As Solution if it solves your problem****
****I don't work for HP****
Microsoft MVP - Windows Experience

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