Dell R420 Owner's Manual Page 94
- Page / 145
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- Dell PowerEdge R420 Systems 1
- Owner's Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- About Your System 9
- LCD Panel Features 12
- Home Screen 13
- Setup Menu 13
- Diagnostic Indicators 14
- Hard-Drive Indicator Patterns 16
- NIC Indicator Codes 18
- Power Indicator Codes 18
- Getting Started Guide 19
- Choosing The System Boot Mode 21
- Entering System Setup 22
- System Setup Options 23
- Memory Settings Screen 24
- Processor Settings Screen 24
- SATA Settings Screen 26
- Boot Settings Screen 26
- Integrated Devices Screen 27
- Serial Communications Screen 28
- System Security Screen 29
- Miscellaneous Settings 30
- Embedded System Management 34
- Changing The Thermal Settings 35
- Installing System Components 37
- Removing The Front Bezel 38
- Opening The System 38
- Inside The System 39
- Cooling Shroud 42
- System Memory 43
- Mode-Specific Guidelines 45
- Sample Memory Configurations 46
- Removing Memory Modules 48
- Installing Memory Modules 49
- Hard Drives 50
- Removing A Cabled Hard Drive 54
- 1. hard-drive carrier 57
- 2. screws (4) 57
- 3. hard drive 57
- 4. screw holes (4) 57
- 2. screws (5) 58
- 4. 2.5 inch hard drive 58
- Optical Drive (Optional) 60
- Cooling Fans 63
- Installing A Cooling Fan 64
- Removing An Expansion Card 67
- Installing An Expansion Card 68
- Removing The iDRAC Ports Card 71
- SD vFlash Card 72
- Internal Dual SD Module 73
- Internal SD Card 75
- Processors 77
- Installing A Processor 79
- Power Supplies 80
- Hot Spare Feature 81
- System Battery 84
- Hard-Drive Backplane 85
- 1. release tabs (2) 87
- 2. hard-drive backplane 87
- 3. guide pins (2) 87
- 4. chassis hooks (4) 87
- Control Panel Assembly 90
- Removing The Control Panel 91
- Installing The Control Panel 92
- VGA Module 97
- Installing The VGA Module 98
- Power Distribution Board 100
- System Board 101
- Installing The System Board 102
- Troubleshooting Your System 105
- Troubleshooting A NIC 106
- Troubleshooting A Wet System 107
- Troubleshooting System Memory 109
- Troubleshooting Cooling Fans 109
- Troubleshooting An SD Card 110
- Troubleshooting A Hard Drive 112
- Troubleshooting Processors 114
- Using System Diagnostics 115
- System Diagnostic Controls 116
- Jumpers And Connectors 117
- System Board Connectors 118
- Technical Specifications 121
- System Messages 127
- Warning Messages 143
- Diagnostic Messages 143
- Alert Messages 143
- Getting Help 145
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