1 of 14Dell™ OptiPlex™ 780-USFF Mounting BracketThe Dell OptiPlex 780-USFF Mounting Bracket supports the Systemin vertical or horizontal orientations.Under Desk MountWall with Wood Stud Mountdell.com/regulatory_complianceUser’s Guidewww.dell.com support.dell.com

wall mount

specifi cations

Dell OptiPlex 780-USFF User Manual

Small Form Factor Front/Back View

Back panel connectors

specifications

OptiPlex 780

Mini Tower Computer (MT) View

Small Form Factor Computer (SFF) View

Ultra Small Form Factor Computer (USFF) View

marketing system configurations

Processor

dimm slots

Graphics/Video Controller

detailed engineering specifications

System Level Environmental and Operating Conditions

Power

Audio

Communications

Hard Drives

Optical Drive

BIOS Defaults

Acoustic Noise Emission Information

back view

quick setup

Control lights and diagnostic lights

working on your computer

turning off your computer

removing and replacing parts

system board layout

system setup

system setup options

boot sequence

booting to a usb device

assigning a system password

administrator password

clearing forgotten passwords

clearing cmos settings

dell diagnostics

Power button light codes

beep codes

diagnostic lights

removing the cover

replacing the cover

drive cage

replacing the drive cage

optical drive

replacing the optical drive

removing the wlan card

replacing the wlan card

system fan

replacing the system fan

heat sink and processor

replacing the heat sink and processor

removing the intrusion switch

removing the coin-cell battery

replacing the coin-cell battery

system board

replacing the system board

front bezel

replacing the front bezel

removing the hard drive

replacing the hard drive

control panel

replacing the control panel

internal speaker

replacing the internal speaker

removing the memory module(s)

replacing the memory module(s)

removing the i/o panel

power supply

replacing the power supply

desktop computer

technical specifications

primary hard drive

replacing the primary hard drive

floppy drive

replacing the floppy drive

removing the fan

replacing the fan

replacing the secondary hard drive

removing the io panel

replacing the io panel

OptiPlex 780-USFF

Dell OptiPlex 780-USFF User Manual

Product

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Contents wall mount specifi cations	1 of 14Dell™ OptiPlex™ 780-USFF Mounting BracketThe Dell OptiPlex 780-USFF Mounting Bracket supports the Systemin vertical or horizontal orientations.Under Desk MountWall with Wood Stud Mountdell.com/regulatory_complianceUser’s Guidewww.dell.com support.dell.com Next / 14