Server Hardware Owner's Manual
Table Of Contents
- About Your System
- Accessing System Features During Startup
- Front-Panel Features and Indicators
- LCD Panel Features (Optional)
- Hard-Drive Status Indicators
- Back-Panel Features and Indicators
- Guidelines for Connecting External Devices
- NIC Indicator Codes
- Power Indicator Codes
- Diagnostic Lights (Optional)
- LCD Status Messages (Optional)
- System Messages
- Warning Messages
- Diagnostics Messages
- Alert Messages
- Using the System Setup Program and UEFI Boot Manager
- Installing System Components
- Recommended Tools
- Inside the System
- Front Bezel (Optional)
- Opening and Closing the System
- Optical Drive (Optional)
- Hard Drives
- Removing a Drive Blank
- Installing a Drive Blank
- Removing a Hard-Drive Carrier
- Installing a Hard-Drive Carrier
- Removing a Hard Drive From a Hard-Drive Carrier
- Installing a Hard Drive Into a Hard-Drive Carrier
- Removing a Cabled Hard Drive
- Installing a Cabled Hard Drive
- Removing a Hard Drive From a Hard-Drive Bracket
- Installing a Hard Drive Into a Hard-Drive Bracket
- Expansion Card
- Expansion-Card Riser
- Internal USB Memory Key
- Cooling Shroud
- Integrated Storage Controller Card
- System Memory
- Cooling Fans
- iDRAC6 Express Card (Optional)
- iDRAC6 Enterprise Card (Optional)
- VFlash Media (Optional)
- Processor
- Power Supplies
- System Battery
- Control Panel Assembly
- SAS Backplane
- Power Distribution Board
- System Board
- Troubleshooting Your System
- Safety First-For You and Your System
- Troubleshooting System Startup Failure
- Troubleshooting External Connections
- Troubleshooting the Video Subsystem
- Troubleshooting a USB Device
- Troubleshooting a Serial I/O Device
- Troubleshooting a NIC
- Troubleshooting a Wet System
- Troubleshooting a Damaged System
- Troubleshooting the System Battery
- Troubleshooting Power Supply
- Troubleshooting System Cooling Problems
- Troubleshooting a Fan
- Troubleshooting System Memory
- Troubleshooting an Internal USB Key
- Troubleshooting an Optical Drive
- Troubleshooting a Tape Backup Unit
- Troubleshooting a Hard Drive
- Troubleshooting an Expansion Card
- Troubleshooting the Processor
- Running the System Diagnostics
- Jumpers and Connectors
- Getting Help
- Index

Troubleshooting Your System 147
9
Reconnect and power on each USB device one at a time.
10
If a device causes the same problem, power down the device, replace the
USB cable, and power up the device.
If the problem persists, replace the device.
If all troubleshooting fails, see "Getting Help" on page 169.
Troubleshooting a Serial I/O Device
1
Turn off the system and any peripheral devices connected to the
serial port.
2
Swap the serial interface cable with another working cable, and turn on the
system and the serial device.
If the problem is resolved, replace the interface cable.
3
Turn off the system and the serial device, and swap the device with a
comparable device.
4
Turn on the system and the serial device.
If the problem is resolved, replace the serial device.
If the problem persists, see "Getting Help" on page 169.
Troubleshooting a NIC
1
Run the appropriate online diagnostic test. See "Running the System
Diagnostics" on page 161.
2
Restart the system and check for any system messages pertaining to the
NIC controller.
3
Check the appropriate indicator on the NIC connector. See "NIC Indicator
Codes" on page 21.
• If the link indicator does not light, check all cable connections.
• If the activity indicator does not light, the network driver files might
be damaged or missing.
Remove and reinstall the drivers if applicable. See the NIC's
documentation.
• Change the autonegotiation setting, if possible.
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