Pavilion DV7 product #XG300AV: no sound on HP Pavilion DV7
Our laptop is about 5 years old. It came with windows Vista with an upgrade to windows 7. Until a month ago, we had sound. now, we have not. When we look at the sound bar and play music, the sound bar goes up and down, but there is no sound. In our audio sub and stereo Device Manager: we have: audio Codec IDT high definition and ATI High Def Audio Device, HP Web Cam Splitter.
When the sound was released, we used the computer with no sound. then all of a sudden, we got her again. but of short duration. then it went out again.
I uninstalled the driver of the ITD and the driver ATI. and when I turned the computer back on, they both reinstalled. I had read somewhere that if you have windows Vista, and you upgrade to windows 7, you need a different audio drivers and I do not know where to get them. If you think that is the problem...
Can you please help with this. Thank you.
and links to download the drivers.
Hello
Try the following.
Download IDT Audio Installer on the link below and save it in your downloads folder.
http://ftp.HP.com/pub/SoftPaq/sp50501-51000/sp50642.exe
One time finished, open windows control panel, open Device Manager and open sound, video and game controllers. Right click on the IDT device and select uninstall - also, you should get a command prompt to delete the current driver, check the box allow this and then proceed to uninstall.
When you are finished, download and reinstall the Chipset driver at the following link.
http://ftp.HP.com/pub/SoftPaq/sp50501-51000/sp50557.exe
After reinstalling, stop the laptop, unplug the AC adapter and then remove the battery. Press and hold the Power button for 30 seconds. Reinsert the battery and plug in the AC adapter.
Robinet tap away at the key esc that you start the computer to launch the Start Menu, and then select f10 to open the bios menu. Press f9 to load the default values (sometimes it is f5, but the menu below indicates the correct key), use the arrow keys to select 'Yes' and press ENTER. Press f10 to save the setting and still use the arrow keys to select 'Yes' and press on enter.
Allow Windows to fully - charge it will automatically load an audio driver, but let just this complete. Then open your download folder, right-click on the IDT Installer and select "Run as Administrator" to launch the installation. Once this done, do a right-click the speaker icon in the taskbar and select playback devices. 'Speakers and headphones' left click once to highlight, and then click set default (if the "gray" option it will be already set as default device) - check if you now audio.
Kind regards
DP - K
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