Setup and Features Information Tech Sheet (Desktop, Mini-Tower, Small Form Factor)
Page 8
... writing data to the network. For more information on the diagnostic lights, see the Service Manual available on state; two Desktop and Small Form Factor - Solid green light indicates power-on the Dell Support website at support.dell.com/manuals. Drive activity light Green light - Network connectivity light Green light - Drives (continued) Internally accessible...
... writing data to the network. For more information on the diagnostic lights, see the Service Manual available on state; two Desktop and Small Form Factor - Solid green light indicates power-on the Dell Support website at support.dell.com/manuals. Drive activity light Green light - Network connectivity light Green light - Drives (continued) Internally accessible...
Setup and Features Information Tech Sheet (Ultra Small Form Factor)
Page 6
.... A good connection exists between the network and the computer. For information on the diagnostic lights, see the Service Manual available on state; Solid blue light indicates power-on the Dell Support website at support.dell.com/manuals. Blinking blue light indicates that network activity is enabled. Blue light - Four amber lights located on integrated...
.... A good connection exists between the network and the computer. For information on the diagnostic lights, see the Service Manual available on state; Solid blue light indicates power-on the Dell Support website at support.dell.com/manuals. Blinking blue light indicates that network activity is enabled. Blue light - Four amber lights located on integrated...
Service Manual
Page 1
... in the United States and/or other countries; Reproduction of Dell Inc. Intel, Core, and Celeron are not followed. Trademarks used in this text: Dell, the DELL logo, OptiPlex are either the entities claiming the marks and names or their products. Dell™ OptiPlex™ 780 Service Manual Desktop Computer Working on Your Computer Removing and Replacing Parts...
... in the United States and/or other countries; Reproduction of Dell Inc. Intel, Core, and Celeron are not followed. Trademarks used in this text: Dell, the DELL logo, OptiPlex are either the entities claiming the marks and names or their products. Dell™ OptiPlex™ 780 Service Manual Desktop Computer Working on Your Computer Removing and Replacing Parts...
Service Manual
Page 3
...Recommended Tools You should only perform troubleshooting and simple repairs as the metal at www.dell.com/regulatory_compliance. Read and follow the safety instructions that is not authorized by Dell is unplugged to ground the system board. 7. Disconnect all attached devices from their ...unpainted metal surface, such as a processor by its edges, not by its pins. Working on Your Computer Dell™ OptiPlex™ 780 Service Manual-Desktop Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Before Working ...
...Recommended Tools You should only perform troubleshooting and simple repairs as the metal at www.dell.com/regulatory_compliance. Read and follow the safety instructions that is not authorized by Dell is unplugged to ground the system board. 7. Disconnect all attached devices from their ...unpainted metal surface, such as a processor by its edges, not by its pins. Working on Your Computer Dell™ OptiPlex™ 780 Service Manual-Desktop Before Working Inside Your Computer Recommended Tools Turning Off Your Computer After Working Inside Your Computer Before Working ...
Service Manual
Page 5
Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex™ 780 Service Manual-Desktop Cover Primary Hard Drive Floppy Drive (Optional) Expansion Card Memory Power Supply Fan System Board Optical Drive Secondary Hard Drive (Optional) Riser Cage Standard Back Plate Heat Sink and Processor Coin-Cell Battery IO Panel Back to Contents Page
Back to Contents Page Removing and Replacing Parts Dell™ OptiPlex™ 780 Service Manual-Desktop Cover Primary Hard Drive Floppy Drive (Optional) Expansion Card Memory Power Supply Fan System Board Optical Drive Secondary Hard Drive (Optional) Riser Cage Standard Back Plate Heat Sink and Processor Coin-Cell Battery IO Panel Back to Contents Page
Service Manual
Page 12
...USB CD-ROM Drive and press . If you wait too long and the operating system logo appears, continue to Use the Dell Diagnostics It is recommended that you want to the devices specified in System Setup and is optional and may not ship with your...the computer. NOTE: The Dell Diagnostics software works only on (or restart) your computer and try again. Insert the Drivers and Utilities disc. 2. Back to Contents Page Diagnostics Dell™ OptiPlex™ 780 Service Manual Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to wait ...
...USB CD-ROM Drive and press . If you wait too long and the operating system logo appears, continue to Use the Dell Diagnostics It is recommended that you want to the devices specified in System Setup and is optional and may not ship with your...the computer. NOTE: The Dell Diagnostics software works only on (or restart) your computer and try again. Insert the Drivers and Utilities disc. 2. Back to Contents Page Diagnostics Dell™ OptiPlex™ 780 Service Manual Dell Diagnostics Power Button Light Codes Beep Codes Diagnostic Lights Dell Diagnostics When to wait ...
Service Manual
Page 17
...the following BIOS and System Setup options: Bring up a one-time boot menu by pressing Access System Setup by pressing Menu Press when the Dell™ logo appears to initiate a one -time boot menu with a list of the valid boot devices for the system. If you ...Diagnostics This menu is useful when you have trouble entering System Setup using this menu. Back to Contents Page 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...
...the following BIOS and System Setup options: Bring up a one-time boot menu by pressing Access System Setup by pressing Menu Press when the Dell™ logo appears to initiate a one -time boot menu with a list of the valid boot devices for the system. If you ...Diagnostics This menu is useful when you have trouble entering System Setup using this menu. Back to Contents Page 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...
Service Manual
Page 22
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Pull back the cover release latch. Back to view the following illustrations. 1. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Cover NOTE: You may need to install Adobe Flash Player from Adobe.com to Contents Page Cover Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Pull back the cover release latch. Back to view the following illustrations. 1. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Cover NOTE: You may need to install Adobe Flash Player from Adobe.com to Contents Page Cover Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual
Page 24
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. If present, remove the secondary hard drive from the computer. 3. Disconnect the hard-drive power cable. Remove the optical drive from the...Drive 1. Disconnect the hard-drive data cable. 5. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Primary Hard Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. If present, remove the secondary hard drive from the computer. 3. Disconnect the hard-drive power cable. Remove the optical drive from the...Drive 1. Disconnect the hard-drive data cable. 5. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Primary Hard Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual
Page 28
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect the floppy-drive power cable. Disconnect the floppy-drive data cable. 3. Back to Contents Page Floppy Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Floppy Drive 1.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect the floppy-drive power cable. Disconnect the floppy-drive data cable. 3. Back to Contents Page Floppy Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Follow the procedures in Before Working Inside Your Computer. 2. Removing the Floppy Drive 1.
Service Manual
Page 32
... card and then ease the card up and out of its connector on the card-retention latch upwards. 3. Back to Contents Page Expansion Card(s) Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Expansion Card(s) 1. Rotate the release...
... card and then ease the card up and out of its connector on the card-retention latch upwards. 3. Back to Contents Page Expansion Card(s) Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Expansion Card(s) 1. Rotate the release...
Service Manual
Page 34
Follow the procedures in Before Working Inside Your Computer. 2. Lift the memory module out of the memory module connector. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at each end of the connector and remove it from the computer. Press out on the securing clips at www.dell.com/regulatory_compliance. Back to Contents Page Memory Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Memory Module(s) 1.
Follow the procedures in Before Working Inside Your Computer. 2. Lift the memory module out of the memory module connector. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at each end of the connector and remove it from the computer. Press out on the securing clips at www.dell.com/regulatory_compliance. Back to Contents Page Memory Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Memory Module(s) 1.
Service Manual
Page 36
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the secondary hard drive (if present). 4. Remove the optical drive. 3. Disconnect the processor power connector from the system board. 6. ... Inside Your Computer. 2. Disconnect the main power connector from the system board. Remove the hard drive. 5. Back to Contents Page Power Supply Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the secondary hard drive (if present). 4. Remove the optical drive. 3. Disconnect the processor power connector from the system board. 6. ... Inside Your Computer. 2. Disconnect the main power connector from the system board. Remove the hard drive. 5. Back to Contents Page Power Supply Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual
Page 42
Removing the Fan 1. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the fan power cable from the system board. 3. Pull out the fan retention tab, and then shift the fan towards the system board. Back to Contents Page Fan Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Removing the Fan 1. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the fan power cable from the system board. 3. Pull out the fan retention tab, and then shift the fan towards the system board. Back to Contents Page Fan Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Service Manual
Page 45
Remove the riser cage. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the heat sink and processor. 4. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the floppy-drive data cable from the system board. Back to Contents Page System Board Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the System Board 1. Remove the memory. 5.
Remove the riser cage. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Remove the heat sink and processor. 4. Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the floppy-drive data cable from the system board. Back to Contents Page System Board Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the System Board 1. Remove the memory. 5.
Service Manual
Page 55
Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the optical-drive power cable. Disconnect the optical-drive data cable. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page Optical Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Optical Drive 1.
Follow the procedures in Before Working Inside Your Computer. 2. Disconnect the optical-drive power cable. Disconnect the optical-drive data cable. 3. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page Optical Drive Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Removing the Optical Drive 1.
Service Manual
Page 59
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Secondary Hard Drive (Optional) 1. Remove the optical drive from the computer. 3. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Secondary Hard Drive (Optional) Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Disconnect the hard-drive data cable.
For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Removing the Secondary Hard Drive (Optional) 1. Remove the optical drive from the computer. 3. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Secondary Hard Drive (Optional) Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Disconnect the hard-drive data cable.
Service Manual
Page 63
Removing the Riser Cage 1. Follow the procedures in Before Working Inside Your Computer. 2. Pivot the riser-cage handle to Contents Page Riser Cage Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect the PS/2 serial-port cable from the system board. 3. Back to an upright position.
Removing the Riser Cage 1. Follow the procedures in Before Working Inside Your Computer. 2. Pivot the riser-cage handle to Contents Page Riser Cage Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Disconnect the PS/2 serial-port cable from the system board. 3. Back to an upright position.
Service Manual
Page 68
Follow the procedures in reverse order. Back to Contents Page Standard Back Plate Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Remove the riser cage. 3. Gently lift the standard back ... black plate, perform the above steps in Before Working Inside Your Computer. 2. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page
Follow the procedures in reverse order. Back to Contents Page Standard Back Plate Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer. Remove the riser cage. 3. Gently lift the standard back ... black plate, perform the above steps in Before Working Inside Your Computer. 2. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Back to Contents Page
Service Manual
Page 70
Removing the Heat Sink and Processor 1. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Loosen the captive screws on each side of the heat sink. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Heat Sink and Processor Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.
Removing the Heat Sink and Processor 1. For additional safety best practices information, see the Regulatory Compliance Homepage at www.dell.com/regulatory_compliance. Loosen the captive screws on each side of the heat sink. Follow the procedures in Before Working Inside Your Computer. 2. Back to Contents Page Heat Sink and Processor Dell™ OptiPlex™ 780 Service Manual-Desktop WARNING: Before working inside your computer, read the safety information that shipped with your computer.