Do you have a question about the Dell OptiPlex 780 Ultra Small Form Factor and is the answer not in the manual?
Explains NOTE, CAUTION, and WARNING indicators for user safety and guidance.
Outlines safety guidelines and necessary preparations before servicing the computer.
Details steps for shutting down, disconnecting, and reconnecting the computer.
Provides details on processor, memory, video, audio, network, and expansion bus.
Features a diagram and legend for identifying system board connectors and components.
Explains how to enter and navigate the System Setup utility.
Covers various system settings including hardware, boot sequence, security, and power management.
Outlines procedures for performing hardware diagnostics from drive or media.
Explains beep codes and power button light codes for error identification.
Instructions for removing and replacing the computer's outer cover.
Instructions for removing and replacing the computer's drive cage.
Instructions for removing and replacing the optical drive assembly.
Instructions for removing and replacing the computer's hard drive.
Instructions for removing and replacing the main system board.
Instructions for removing and replacing the computer's memory modules.
Instructions for removing and replacing the computer's power supply unit.