Fired up computer. ... W10, Dell Optiplex 780, no sound, run trouble shooter, have sound. WTF? Thread starter Alphonso; ... whether it has speakers in the monitor or not.

This is a PC for situations where you have severe space constraints. It has enough power to run business applications and some multimedia apps and includes a 22-inch monitor, but it not expandable and ...

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.