Dell OptiPlex 780 Ultra Small Form Factor Manuals

Dell OptiPlex 780 Ultra Small Form Factor Manuals

Manuals and User Guides for Dell OptiPlex 780 Ultra Small Form Factor. We have 1 Dell OptiPlex 780 Ultra Small Form Factor manual available for free PDF download: Service Manual

Dell OptiPlex 780 Ultra Small Form Factor Service Manual

Dell OptiPlex 780 Ultra Small Form Factor Service Manual (74 pages)

Ultra Small Form Factor

Brand: Dell | Category: Desktop | Size: 0.56 MB

Table of Contents

Working on Your Computer
2
Before Working Inside Your Computer
2
Recommended Tools
2
Turning off Your Computer
3
After Working Inside Your Computer
3
Removing and Replacing Parts
4
Specifications
5
System Board Layout
8
Entering System Setup
9
System Setup Screen
9
System Setup Options
10
Option Settings
14
Changing the Boot Sequence for the Current Boot
14
Boot Sequence
14
Booting to a USB Device
15
Password Protection
15
Memory Key
15
Floppy Drive
15
System Password
15
Assigning a System Password
16
Typing Your System Password
16
Deleting or Changing an Existing System Password
16
Assigning an Administrator Password
17
Operating Your Computer with an Administrator Password Enabled
17
Deleting or Changing an Existing Administrator Password
17
Clearing Forgotten Passwords
18
Disabling a Forgotten Password and Setting a New Password
18
Jumper Settings
18
Clearing CMOS Settings
19
When to Use the Dell Diagnostics
21
Starting the Dell Diagnostics from Your Hard Drive
21
Starting the Dell Diagnostics from the Drivers and Utilities Disc
21
Power Button Light Codes
22
Dell Diagnostics Main Menu
22
Beep Codes
23
Diagnostic Lights
24
Removing the Cover
26
Replacing the Cover
27
Removing the Drive Cage
30
Replacing the Drive Cage
33
Removing the Optical Drive
34
Replacing the Optical Drive
35
Wireless Local Area Network (WLAN) Card
36
Removing the Wlan Card
36
Replacing the WLAN Card
38
Removing the System Fan
39
Replacing the System Fan
41
Removing the Heat Sink and Processor
42
Replacing the Heat Sink and Processor
45
Removing the Intrusion Switch
46
Removing the Coin-Cell Battery
48
Replacing the Coin-Cell Battery
49
Removing the System Board
50
Replacing the System Board
53
Removing the Front Bezel
54
Replacing the Front Bezel
55
Removing the Hard Drive
56
Replacing the Hard Drive
57
Removing the Control Panel
58
Replacing the Control Panel
60
Removing the Internal Speaker
64
Replacing the Internal Speaker
65
Removing the Memory Module(S)
66
Replacing the Memory Module(S)
67
Removing the I/O Panel
68
Replacing the I/O Panel
70
Removing the Power Supply
71
Replacing the Power Supply
73

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