Did you have sound before the Upgrade? Did you check Device Manager to import any missing drivers or any that are much older than the ones on the Downloads webpage for your Tag Number? If the Sound driver is current, right click the Sound icon in System Tray at right end of task bar to run the Playback troubleshooter. ____________________ Blue links are tutorials. Read my replies online instead of in notification email as I may add and edit. Windows MVP 2010-2018 Top rated volunteer at Seven Forums for 6 years.

All Dell OptiPlex 790 drivers Please choose your type of driver and operating system from the list below.

Free Download Dell OptiPlex 790 Realtek Audio Driver 6. Ehci Driver Installation Disk Windows 98 here. 0. Menu. 1.5883 (Sound Card).