Started last week. Fired up computer. After awhile realized that there was no sound. Ran trouble shooter. Heard test sound. Sound works. Shut down computer.

While the Dell Optiplex 780 USFF delivers strong performance, the monitor-mounted system sacrifices accessibility to achieve its space-saving footprint. And then there’s the cost.

OS should not matter since it is powering the computer up when the computer was off. Had no problems when we had optiplex 620s, ... dell optiplex 780 cannot wake up on lan after windows 7 shutdown.