Dell PowerEdge T110 User Manual Page 18
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- Table of contents
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18 About Your System
Diagnostic Lights
The four diagnostic indicator lights on the system front panel display error
codes during system startup. Table 1-2 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 1-2. Diagnostic Indicator Code
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 129.
Possible processor failure. See "Troubleshooting the
Processor" on page 119.
Memory failure. See "Troubleshooting System
Memory" on page 113.
Possible expansion card
failure.
See "Troubleshooting Expansion
Cards" on page 118.
Possible video failure. See "Getting Help" on page 129.
Mayzie_HOM.book Page 18 Monday, August 31, 2009 9:33 PM
- Hardware Owner’s 1
- Notes, Cautions, and Warnings 2
- Contents 3
- UEFI Boot Manager 4
- 6 Contents 6
- 8 Contents 8
- 10 Contents 10
- About Your System 11
- 12 About Your System 12
- 14 About Your System 14
- NIC Indicator Codes 16
- Power Selection 17
- Diagnostic Lights 18
- System Messages 20
- 22 About Your System 22
- 24 About Your System 24
- MEMTEST lane 25
- 26 About Your System 26
- 28 About Your System 28
- 30 About Your System 30
- 32 About Your System 32
- Warning Messages 33
- Diagnostics Messages 33
- Alert Messages 33
- 34 About Your System 34
- Choosing the System Boot Mode 35
- Responding to Error Messages 36
- System Setup Options 37
- Memory Settings Screen 39
- Processor Settings Screen 39
- SATA Settings Screen 40
- Boot Settings Screen 41
- Integrated Devices Screen 42
- PCI IRQ Assignments Screen 43
- Serial Communication Screen 43
- Power Management Screen 44
- System Security Screen 45
- Exit Screen 47
- UEFI Boot Manager Screen 48
- UEFI Boot Settings Screen 48
- System Utilities Screen 49
- Using the System Password 49
- Assigning a System Password 50
- Using the Setup Password 52
- Embedded System Management 53
- Entering the BMC Setup Module 54
- Inside the System 56
- Opening the System 57
- Closing the System 58
- Front Bezel 59
- Installing the Front Bezel 60
- Removing Front Bezel Insert 60
- EMI Filler Panel 61
- 1 shoulder screws (3)* 67
- Hard Drives 68
- Installing a Hard Drive 70
- Expansion Card Stabilizer 72
- Cooling Shroud 73
- Installing the Cooling Shroud 74
- Expansion Cards 75
- Removing an Expansion Card 76
- Installing an Expansion Card 78
- SAS Controller Expansion Card 79
- System Memory 80
- Removing Memory Modules 82
- Installing Memory Modules 83
- Processor 85
- Installing a Processor 88
- Cooling Fan 89
- Installing the Cooling Fan 90
- System Battery 91
- Power Supply 93
- Installing the Power Supply 94
- Internal USB Memory Key 95
- Chassis Intrusion Switch 96
- Control Panel Assembly 98
- System Board 101
- Installing the System Board 102
- Installing System Components 104
- Troubleshooting Your System 105
- Troubleshooting a USB Device 106
- Troubleshooting a NIC 107
- Troubleshooting a Wet System 108
- Troubleshooting Power Supply 111
- Troubleshooting Cooling Fan 112
- Troubleshooting System Memory 113
- Troubleshooting a Hard Drive 117
- Troubleshooting the Processor 119
- Using Online Diagnostics 121
- Using the Custom Test Options 123
- Jumpers and Connectors 125
- System Board Connectors 126
- Getting Help 129
- 130 Getting Help 130
- Glossary 131
- 132 Glossary 132
- 134 Glossary 134
- 136 Glossary 136
- 138 Glossary 138
- Numerics 139
- Index 141 141
- Index 143 143
- 144 Index 144
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