I am using an HP 2000-2d70NR running windows 7 64 bit os. The laptop came with Windows 8 and I removed that drive and installed a new drive with Win 7. I've had no problems for 4 months.
Earlier this week, I lost sound. No updates that I know of. No changes or new software. My sound icon has an X on it and the message "No speakers or headphones are plugged in". I've run the internal diagnostics and they detect no error. When I go to playback devices, it only shows 1-Digital DIsplay Audio "AMD High Definition Audio Device not plugged in." There is no longer an option to click on the internal speakers.
I've read several posts on this forum to uninstall the IDT driver and reinstall. I've tried several drivers with no luck. I've completely reinstalled Win 7 and receive the same error. Finally, I put the original Win8 drive back in the laptop but it still tells me "no speakers or headphones are plugged in".
Not sure where to go now. My computer is still under warrantee. I tried to open a case and get service as I suspect a hardware problem, however HP immediately closed the case and told me to go to the forums!?!
I'd appreciate some help.