Dell DX6012S User Manual Page 20
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20 About Your System
Diagnostic Lights (Optional)
The four diagnostic indicator lights on the system front panel display error
codes during system startup. Table 1-1 lists the causes and possible corrective
actions associated with these codes. A highlighted circle indicates the light is
on; a non-highlighted circle indicates the light is off.
Table 1-1. Diagnostic Indicator Codes
Code Causes Corrective Action
The system is in a normal
off condition or a possible
pre-BIOS failure has
occurred.
The diagnostic lights are
not lit after the system
successfully boots to the
operating system.
Plug the system into a working
electrical outlet and press the
power button.
The system is in a normal
operating condition
after POST.
Information only.
BIOS checksum failure
detected; system is in
recovery mode.
See "Getting Help" on page 155.
Possible processor failure. See "Troubleshooting Processor"
on page 142.
Memory failure. See "Troubleshooting System
Memory" on page 137.
Possible expansion card
failure.
See "Troubleshooting Expansion
Cards" on page 141.
Possible video failure. See "Getting Help" on page 155.
book.book Page 20 Friday, February 26, 2010 11:22 AM
- Hardware Owner’s 1
- Notes, Cautions, and Warnings 2
- Contents 3
- 4 Contents 4
- 6 Contents 6
- 8 Contents 8
- Contents 9 9
- 10 Contents 10
- About Your System 11
- 12 About Your System 12
- Hard-Drive Indicator Patterns 14
- 16 About Your System 16
- External Devices 18
- NIC Indicator Codes 18
- Power Indicator Codes 19
- Diagnostic Lights (Optional) 20
- System Messages 22
- 24 About Your System 24
- 26 About Your System 26
- 28 About Your System 28
- MEMTEST lane 29
- 30 About Your System 30
- 32 About Your System 32
- 34 About Your System 34
- 36 About Your System 36
- Warning Messages 38
- Diagnostics Messages 38
- Alert Messages 39
- 40 About Your System 40
- Choosing the System Boot Mode 41
- Responding to Error Messages 42
- System Setup Options 43
- Memory Settings Screen 45
- Processor Settings Screen 46
- Boot Settings Screen 47
- Integrated Devices Screen 48
- PCI IRQ Assignments Screen 49
- Serial Communication Screen 49
- Power Management Screen 51
- System Security Screen 51
- Exit Screen 53
- UEFI Boot Manager Screen 55
- UEFI Boot Settings Screen 55
- System Utilities Screen 55
- Assigning a System Password 56
- Disabling the System Password 58
- Assigning a Setup Password 58
- Embedded System Management 59
- Entering the BMC Setup Module 61
- Front Bezel (Optional) 65
- Installing the Front Bezel 66
- Opening the System 66
- Closing the System 67
- Cooling Shroud 68
- Hard Drives 69
- Cooling Fans 73
- Power Supplies 76
- System Memory 79
- Memory Mirroring Support 81
- Installing Memory Modules 83
- Removing Memory Modules 85
- Installing an Expansion Card 87
- Removing an Expansion Card 89
- VFlash Media (Optional) 100
- Processor 100
- Installing a Processor 104
- System Battery 105
- SAS Backplane 108
- Power Distribution Board 110
- System Board 114
- Installing the System Board 116
- Installing System Components 118
- Troubleshooting Your System 119
- Troubleshooting a USB Device 120
- Troubleshooting a NIC 121
- Troubleshooting a Wet System 122
- Troubleshooting a Fan 126
- Troubleshooting System Memory 127
- Troubleshooting a Hard Drive 129
- Troubleshooting Processor 132
- Using Online Diagnostics 135
- Using the Custom Test Options 137
- Jumpers and Connectors 139
- System Board Connectors 140
- Jumpers and Connectors 153 143
- 154 Jumpers and Connectors 144
- Getting Help 145
- 156 Getting Help 146
- Index 157 147
- Index 159 149
- Index 161 151
- 162 Index 152
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