Dell PowerEdge 850 User's Guide Page 108
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Troubleshooting a Wet System
Problem
l Liquid spilled on the system.
l Excessive humidity.
Action
1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
2. Open the system. See "Opening the System."
3. Remove all expansion cards installed in the system. See "Removing an Expansion Card" in "Installing System Components."
4. Let the system dry thoroughly for at least 24 hours.
5. Close the system. See "Closing the System."
6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the system does not start properly, see "Getting Help."
7. If the system starts properly, shut down the system and reinstall all of the expansion cards that you removed. See "Installing an Expansion Card" in
"Installing System Components."
8. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running the System Diagnostics."
If the tests fail, see "Getting Help."
Troubleshooting a Damaged System
Problem
l System was dropped or damaged.
Action
1. Open the system. See "Opening the System."
2. Ensure that the following components are properly installed:
l Expansion cards
l Power supplies
l Fans
3. Ensure that all cables are properly connected.
4. Close the system. See "Closing the System."
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system.
Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the
computer and protecting against electrostatic discharge.
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system.
Before performing any procedure, see your Product Information Guide for complete information about safety precautions, working inside the
computer and protecting against electrostatic discharge.
- Abbreviations and Acronyms 1
- System Board Jumpers 2
- System Board Connectors 3
- SCSI Backplane Connectors 4
- I/O Connectors 6
- Parallel Connector 7
- Video Connector 8
- USB Connectors 9
- Integrated NIC Connectors 9
- Introduction 11
- System Status Indicators 12
- Power Indicator Codes 15
- NIC Indicator Codes 15
- System Messages 16
- System Beep Codes 18
- Warning Messages 19
- Diagnostics Messages 20
- Alert Messages 20
- Before You Begin 21
- Troubleshooting a NIC 28
- System Fans 45
- Removing the Back System Fan 46
- Removing Memory Modules 52
- Installing a Processor 54
- Installing a RAC Card 55
- Front-Panel Drive Inserts 59
- Diskette Drive 60
- 5.25-Inch Drives 61
- Hot-Plug SCSI Hard Drives 68
- Riser Card Connectors 84
- USB Connector 88
- Integrated NIC Connector 88
- Network Cable Requirements 89
- Front-Panel Features 92
- Back-Panel Features 93
- NIC Indicators 93
- Start-Up Routine 102
- Checking the Equipment 102
- Troubleshooting the Keyboard 103
- Troubleshooting the Mouse 104
- Troubleshooting a NIC 105
- Inside the System 106
- Opening the System 106
- Closing the System 107
- Problem 108
- Troubleshooting a Fan 110
- Cooling Shroud 117
- System Battery 118
- Fan Assembly 119
- PCI Fan Module 120
- Power Supply 120
- Expansion Cards 121
- Removing an Expansion Card 122
- Riser Card 123
- System Memory 123
- Installing Memory Modules 124
- Processor 125
- Installing Drives 128
- Configuring the Boot Drive 129
- Hard Drives 129
- Installing a Hard Drive 131
- Back to Contents Page 132
- Recommended Tools 133
- Control Panel Assembly 133
- Daughter Card 134
- System Board 135
- Getting Help 138
- Problems With Your Order 139
- Product Information 139
- Before You Call 140
- Contacting Dell 140
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