I hate when that happens!(Just kiddin around Peter)HP Support > HP Compaq 6710b Notebook PC > Drivers and Downloads > Choose Operating System page,
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=3356622&taskId=135&lang=en&cc=us&prodSeriesId=3356620&prodTypeId=321957Supposed to come with Windows Vista Business Edition,
http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/12139188-12139280-12139280-12139280-12434660-79819586-80352415.html?dnr=1,so that is the O/S I'm going to use for the example.(Operating System)Also since the notebook is touted to be a beginner's model, I am going to choose the Windows Vista Business 32-bit edition,
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=3356622&prodTypeId=321957&prodSeriesId=3356620&swLang=13&taskId=135&swEnvOID=2096#290Click on the first file -Firmware Update for Optical Drive Model Optiarc AD-7560AClick on -> Download in the black rectangle, to the right of -File name: sp43604.exe (1.7MB)A small window will come up -Opening sp43604.exeClick on Save FileA small download window will come up.Allow the file to Fully download, then DOUBLE-click right on the file name.At the bottom of the next 3 small windows, click on -Next, Next, and Finish.If you are not asked to restart your computer do so.IF, there is no Volume icon in the system tray;(Bottom of monitor screen to the Right)Click on Windows logo button, (Start), then on Control Panel.In Control Panel click on Sounds, Speech, and Audio Devices.In the next window click on Sounds, and Audio DevicesUnderneath the - Device volume - subheading, make sure there is a Green checkmark in the small square box, to the left of -Place volume icon in the taskbar.If not; left-click in the small empty square to the left of -Place volume icon in the taskbarGo below in the Sounds and Audio Devices Properties window, and click on Apply. Then click on OK.For additional questions please post in a Comment.Regards,joecoolvette