Dell PowerEdge 750 Troubleshooting Guide Page 36
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- TROUBLESHOOTING
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Problem
l System message indicates a problem with a USB device.
l Device connected to a USB port is not operating properly.
Action
1. Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System Setup Program" in your User's Guide.
2. Turn off the system and any USB devices.
3. Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.
4. Turn on the system and the reconnected device.
If the problem is resolved, the USB connector might be defective. See "Getting Help."
5. If possible, swap the interface cable with a working cable.
If the problem is resolved, replace the interface cable. See "Getting Help."
6. Turn off the system and the USB device, and swap the device with a comparable device.
7. Turn on the system and the USB device.
If the problem is resolved, replace the USB device. See "Getting Help."
If the problem persists, see "Getting Help."
Troubleshooting a Network Adapter
Problem
l Network adapter cannot communicate with network.
Action
1. Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" in "Running System Diagnostics."
If the tests fail, continue to the next step.
2. Check the appropriate indicator on the NIC connector. See "Table2-2" in "Indicators, Messages, and Codes."
l If the link indicator does not light, check all cable connections.
l 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 network adapter's documentation.
l Change the autonegotiation setting, if possible.
l Use another connector on the switch or hub.
If you are using a network adapter card instead of an integrated network adapter, see the documentation for the network adapter card.
3. Ensure that the appropriate drivers are installed and the protocols are bound. See the network adapter's documentation.
4. Enter the System Setup program and confirm that the network adapters are enabled. See "Using the System Setup Program" in your User's Guide.
5. Ensure that the network adapters, hubs, and switches on the network are all set to the same data transmission speed. See the network equipment
documentation.
6. Ensure that all network cables are of the proper type and do not exceed the maximum length. See "Network Cable Requirements" in your User's Guide.
- System Board Jumpers 2
- System Board Connectors 3
- Riser Board Connectors 4
- I/O Connectors 6
- Video Connector 8
- USB Connector 8
- Network Cable Requirements 9
- Abbreviations and Acronyms 10
- Introduction 17
- System Messages 20
- System Beep Codes 25
- Warning Messages 26
- Diagnostics Messages 26
- Alert Messages 26
- Finding Software Solutions 27
- Application Conflicts 28
- IRQ Assignment Conflicts 28
- System Diagnostics Features 29
- From the Utility Partition 30
- Error Messages 31
- Troubleshooting Your System 32
- Checking the Equipment 33
- Troubleshooting the Mouse 34
- Problem 35
- Inside the System 37
- Opening the System 37
- Closing the System 38
- Troubleshooting a Wet System 39
- Troubleshooting a Fan 41
- Troubleshooting the CD Drive 42
- System Board Components 48
- Cooling Shroud 49
- System Battery 49
- Fan Assembly 50
- Power Supply 51
- Expansion Cards 52
- Riser Board 53
- System Memory 54
- Installing Memory Modules 55
- Processor 56
- Back to Contents Page 59
- Installing Drives 60
- SCSI Interface Cables 61
- Configuring the Boot Drive 62
- Hard Drives 62
- Installing a Hard Drive 63
- Getting Help 65
- AutoTech Service 66
- Technical Support Service 66
- Problems With Your Order 67
- Product Information 67
- Before You Call 67
- Contacting Dell 68
- Notes, Notices, and Cautions 76
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