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The front panel also incorporates two USB 2.0 connectors. See Figure2-1.
Diagnostics Indicator Codes
The four diagnostic indicator lights on the system front panel display error codes during system startup. Table2-2 lists the causes and possible corrective
actions associated with these codes. A highlighted circle indicates the light is on; a non-highlighted circle indicates the light is off.
Table 2-2.DiagnosticIndicatorCodes
Back-Panel Indicators and Features
Green blinking
The system is in a low power state. Check the diagnostic indicators to see if the specific problem is identified. See Table2-
2.
Diskette drive
Green blinking
Indicates diskette-drive activity.
Hard drive
Green blinking
Indicates hard-drive activity.
LAN link
Solid green
Indicates network is linked.
NOTE: Once the system completes POST, all diagnostic lights will be OFF.
Code
Causes
Corrective Action
Possible processor failure.
See "Troubleshooting the Microprocessor" in "Troubleshooting Your System."
Memory failure.
See "Troubleshooting System Memory" in "Troubleshooting Your System."
Possible expansion card failure.
See "Troubleshooting Expansion Cards" in "Troubleshooting Your System."
Possible video failure.
See "Getting Help."
Diskette drive or hard drive failure.
Ensure that the diskette drive and hard drive are properly connected. See "Installing Drives"
for information on the drives installed in your system.
Possible USB failure.
See "Troubleshooting a USB Device" in "Troubleshooting Your System."
No memory modules detected.
See "Troubleshooting System Memory" in "Troubleshooting Your System."
System board failure.
See "Getting Help."
Memory configuration error.
See "Troubleshooting System Memory" in "Troubleshooting Your System."
Possible system board resource and/or
system board hardware failure.
See "Troubleshooting IRQ Assignment Conflicts" in "Troubleshooting Your System." If the
problem persists, see "Getting Help."
Possible system resource configuration
error.
See "Troubleshooting Your System."
If the problem persists, see "Getting Help."
Other failure.
Ensure that the diskette drive, optical drive, and hard drives are properly connected. See
"Troubleshooting Your System" for the appropriate drive installed in your system.
If the problem persists, see "Getting Help."
BIOS checksum failure detected; system is
in recovery mode.
Ensure that all network cards and connections are functioning properly. See "Troubleshooting
Your System."
If the problem persists, see "Getting Help."
The system is in a normal operating
condition after POST.
Information only.
- Notes, Notices, and Cautions 1
- Abbreviations and Acronyms 1
- Jumpers and Connectors 2
- System Board Connectors 3
- I/O Connectors 5
- USB Connector 6
- Integrated NIC Connector 6
- Network Cable Requirements 7
- Abbreviations and Acronyms 8
- Introduction 9
- Diagnostics Indicator Codes 11
- NIC Indicator Codes 12
- Power Supply Features 12
- System Messages 12
- Table 2-5.SystemMessages 13
- System Beep Codes 16
- Diagnostics Messages 17
- Alert Messages 17
- Warning Messages 17
- Start-Up Routine 20
- Checking the Equipment 20
- Troubleshooting the Keyboard 21
- Troubleshooting the Mouse 22
- Troubleshooting a NIC 23
- Opening the System 23
- Closing the System 24
- Inside the System 24
- Problem 26
- Troubleshooting a Fan 29
- Troubleshooting a CD Drive 31
- Installing System Options 37
- Installing a Memory Module 38
- Microprocessor 39
- Replacing the Processor 40
- Expansion Cards 41
- Power Supply 42
- Installing the Power Supply 43
- Cooling Fans 44
- System Battery 44
- Installing Drives 46
- Configuring the Boot Device 47
- Removing a Hard Drive 47
- Installing a Hard Drive 48
- Removing the Diskette Drive 49
- Installing a Diskette Drive 49
- Before You Begin 53
- Recommended Tools 53
- I/O Panel 54
- Chassis Intrusion Switch 55
- System Board 56
- Installing the System Board 57
- Getting Help 59
- Problems With Your Order 60
- Product Information 60
- Before You Call 61
- Contacting Dell 61
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