Dell T420 Manuel du propriétaire Page 117
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Installing The Control Panel—Tower Mode
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1. Connect the control panel cable, the LCD cable, and the control panel USB cable to the control panel module.
2. Align and insert the control panel into the control panel slot in the chassis.
3. Secure the control panel to the chassis using the screw.
4. Connect the control panel cable, the LCD cable and the control panel USB cable to the system board.
5. Install the system top cover. See Installing The System Top Cover.
6. If applicable, replace the cooling fan assembly.
7. Install the system left side cover. See Installing The System Left Side Cover.
8. Close the system.
9. Reconnect the system to its electrical outlet and turn the system on, including any attached peripherals.
10. If applicable, install the front bezel.
Removing The Control Panel—Rack Mode
CAUTION: Many repairs may only be done by a certified service technician. You should only perform
troubleshooting and simple repairs as authorized in your product documentation, or as directed by the online or
telephone service and support team. Damage due to servicing that is not authorized by Dell is not covered by your
warranty. Read and follow the safety instructions that came with the product.
1. If installed, remove the front bezel.
2. Turn off the system, including any attached peripherals, and disconnect the system from the electrical outlet and
peripherals.
3. Open the system.
4. Remove the screw securing the control panel to the chassis.
CAUTION: Do not use excessive force when removing the control panel as it can damage the connectors.
5. Disconnect all the cables from the system board to the control panel module.
6. Slide the control panel module slightly out of the chassis.
7. Pull up the corner edges of the control panel to disengage the tabs from the slots on the control panel module.
8. Rotate the left edge of the control panel away from the chassis to release it from the chassis.
117
- Dell PowerEdge T620 Systems 1
- Owner's Manual 1
- Notes, Cautions, and Warnings 2
- Contents 3
- About Your System 9
- LCD Panel Features 14
- Home Screen 15
- Setup Menu 15
- View Menu 15
- Hard-Drive Indicator Patterns 16
- NIC Indicator Codes 19
- Power Indicator Codes 19
- Getting Started Guide 21
- Choosing The System Boot Mode 23
- Entering System Setup 24
- System Setup Options 25
- Memory Settings Screen 26
- Processor Settings Screen 26
- SATA Settings Screen 28
- Boot Settings Screen 28
- Integrated Devices Screen 28
- Serial Communications Screen 29
- System Security Screen 31
- Miscellaneous Settings 32
- Boot Manager Screen 35
- Embedded System Management 36
- Changing The Thermal Settings 37
- Installing System Components 39
- System Feet—Tower Mode 40
- Installing The System Feet 41
- Installing The Wheel Assembly 41
- Removing The Wheel Assembly 41
- Opening The System 43
- Closing The System 43
- Inside The System 44
- Bezel Blank 45
- Cooling Shroud 46
- System Memory 47
- Mode-Specific Guidelines 50
- Removing Memory Modules 53
- Flex Bays 54
- Removing A Flex Bay 55
- Hard Drives 56
- Slim Optical Drive Blank 60
- Cooling Fans 64
- Removing A Cooling Fan 65
- Installing A Cooling Fan 66
- PCIe Card Holder 68
- Removing The PCIe Card Holder 69
- GPU Card Holder (Optional) 70
- Expansion Cards 72
- Removing An Expansion Card 73
- Installing An Expansion Card 74
- Removing A GPU Card 75
- Installing A GPU Card 76
- SD vFlash Card 77
- Internal Dual SD Module 77
- Internal SD Card 79
- Processors 80
- Installing A Processor 83
- Power Supplies 84
- Hot Spare Feature 85
- Removing An AC Power Supply 85
- Installing An AC Power Supply 86
- Required Wires 87
- Input Requirements 87
- Kit Contents 87
- Required Tools 87
- Removing A DC Power Supply 89
- Installing A DC Power Supply 90
- System Battery 94
- Hard-Drive Backplane 95
- System Top Cover 113
- System Left Side Cover 114
- Control Panel 115
- 1. control panel module 118
- 2. screw 118
- 1. control panel 118
- LCD Module 120
- VGA Module 123
- Removing The VGA Module 124
- System Board 125
- Installing The System Board 126
- Rack Mode 129
- 1. system in rack mode 132
- 2. rack ears (2) 132
- 3. screws (3) 132
- Troubleshooting Your System 133
- Troubleshooting A NIC 134
- Troubleshooting A Wet System 135
- Troubleshooting Cooling Fans 137
- Troubleshooting System Memory 137
- Troubleshooting An SD Card 138
- Troubleshooting A Hard Drive 140
- Troubleshooting Processors 141
- Using System Diagnostics 143
- System Diagnostic Controls 144
- Jumpers And Connectors 145
- System Board Connectors 146
- Technical Specifications 149
- System Messages 155
- Warning Messages 171
- Diagnostic Messages 171
- Alert Messages 171
- Getting Help 173
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