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System Setup
Dell™ OptiPlex™ 780 Service Manual—Mini-Tower, Desktop, and Small Form Factor
Boot Menu
Navigation Keystrokes
Entering System Setup
System Setup Simulation
System Setup Menu Options
Boot Menu
Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the system.
The options listed are:
Internal HDD
CD/DVD/CD-RW Drive
Onboard NIC
BIOS Setup
Diagnostics
This menu is useful when you are attempting to boot to a particular device or to bring up the diagnostics for the system. Using the boot menu does not make any
changes to the boot order stored in the BIOS.
Navigation Keystrokes
Use the following keystrokes to navigate the System Setup screens.
Navigation Keystrokes
Action
Keystroke
Expand and collapse field
<Enter>, left- or right-arrow key, or +/–
Expand or collapse all fields
< >
Exit BIOS
<Esc>—Remain in Setup, Save/Exit, Discard/Exit
Change a setting
Left or right-arrow key
Select field to change
<Enter>
Cancel modification
<Esc>
Reset defaults
<Alt><F> or
Load Defaults
menu option
Entering System Setup
Your computer offers the following BIOS and System Setup options:
Bring up a one-time boot menu by pressing <F12>
Access System Setup by pressing <F2>
<F12> Menu
Press <F12> when the Dell™ logo appears to initiate a one-time boot menu with a list of the valid boot devices for the computer.
Diagnostics
and
Enter Setup
options are also included in this menu. The devices listed on the boot menu depend on the bootable devices installed in the computer. This menu is useful when you
are attempting to boot to a particular device or to bring up the diagnostics for the computer. Making changes in the boot menu does not make any changes to the
boot order stored in the BIOS.
<F2>
Press <F2> to enter System Setup and make changes to user-definable settings. If you have trouble entering System Setup using this key, press <F2> when the
keyboard lights first flash.
System Setup Menu Options
NOTE
: System Setup options may vary depending on your computer and may not appear in the exact same order.
General
System
Board
Displays the following information:
System information: Displays
BIOS Info,
,
System Info, Service Tag,
Express Service Code,
Asset Tag, Manufacture Date,
and the
Ownership Date..
Summary of Contents for OptiPlex 780
Page 2: ......
Page 26: ...7 Lift the hard drive and remove it from the system ...
Page 30: ...5 Lift the floppy drive up and away from the computer ...
Page 37: ...7 Release the processor power connector cable from routing guides under the system board ...
Page 38: ...8 Remove the screws that secure the power supply to the back of the chassis ...
Page 40: ...10 Lift the power supply up and away from the computer ...
Page 43: ...4 Lift the fan and remove it from the computer ...
Page 46: ...6 Disconnect the fan power cable 7 Disconnect the main power cable from the system board ...
Page 47: ...8 Disconnect the IO panel cable ...
Page 48: ...9 Disconnect the optical drive data cable from the system board ...
Page 49: ...10 Disconnect the hard drive data cable from the system board ...
Page 50: ...11 Disconnect the processor power cable ...
Page 51: ...12 Remove the screws that secure the system board to the computer chassis ...
Page 52: ...13 Remove the heat sink assembly bracket ...
Page 56: ...4 Lift the drive release latch and then slide the drive towards the back of the computer ...
Page 57: ...5 Lift and remove the drive from the computer ...
Page 61: ...6 Lift the hard drive and remove it from the computer ...
Page 64: ...4 Gently pull the riser cage handle and lift the riser cage up and away from the computer ...
Page 65: ...5 On the riser cage rotate the card retention latch upward ...
Page 69: ......
Page 71: ...3 Rotate the heat sink upwards 4 Lift the heat sink and remove it from the computer ...
Page 73: ...6 Lift the processor cover ...
Page 74: ...7 Remove the processor from the computer ...
Page 79: ...4 Gently rotate the IO panel away from the computer and then remove it from the computer ...