Dell Precision R5400 Setup and Quick Reference Guide  - Page 30

Beep Codes, Service Manual, Service, Manual

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- Ensure that the main power cable and front panel cable are securely connected to the system board (see your Service Manual on the Dell Support website at support.dell.com). • If the power light is blinking amber, the computer is receiving electrical power, but an internal power problem may exist. - Ensure that the processor power cable is securely connected to the system board (see your Service Manual on the Dell Support website at support.dell.com). • If the power light is steady amber, a device may be malfunctioning or incorrectly installed. - Remove and then reinstall the memory modules (see your Service Manual on the Dell Support website at support.dell.com). - Remove and then reinstall any cards (see your Service Manual on the Dell Support website at support.dell.com). • Eliminate interference. Some possible causes of interference are: - Power, keyboard, and mouse extension cables - Too many devices on a power strip - Multiple power strips connected to the same electrical outlet Beep Codes Your computer may emit a series of beeps during start-up. The series of beeps, called a beep code, can help you identify a problem with your computer. If your computer emits a series of beeps during start-up: 1 Write down the beep code on the "Diagnostics Checklist" on page 70. 2 Run the Dell Diagnostics to identify a more serious cause (see "Troubleshooting Tips" on page 44). 3 Contact Dell for technical assistance (see "Contacting Dell" on page 71). Code 1-1-2 1-1-3 1-1-4 Cause Microprocessor register failure NVRAM read/write failure ROM BIOS checksum failure 30 Troubleshooting

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30
Troubleshooting
–
Ensure that the main power cable and front panel cable are securely
connected to the system board (see your
Service Manual
on the Dell
Support website at
support.dell.com
).
•
If the power light is blinking amber, the computer is receiving electrical
power, but an internal power problem may exist.
–
Ensure that the processor power cable is securely connected to the
system board (see your
Service Manual
on the Dell Support website at
support.dell.com
).
•
If the power light is steady amber, a device may be malfunctioning or
incorrectly installed.
–
Remove and then reinstall the memory modules (see your
Service
Manual
on the Dell Support website at
support.dell.com
).
–
Remove and then reinstall any cards (see your
Service Manual
on the
Dell Support website at
support.dell.com
).
•
Eliminate interference. Some possible causes of interference are:
–
Power, keyboard, and mouse extension cables
–
Too many devices on a power strip
–
Multiple power strips connected to the same electrical outlet
Beep Codes
Your computer may emit a series of beeps during start-up. The series of beeps,
called a beep code, can help you identify a problem with your computer.
If your computer emits a series of beeps during start-up:
1
Write down the beep code on the "Diagnostics Checklist" on page 70.
2
Run the Dell Diagnostics to identify a more serious cause (see
"Troubleshooting Tips" on page 44).
3
Contact Dell for technical assistance (see "Contacting Dell" on page 71).
Code
Cause
1-1-2
Microprocessor register failure
1-1-3
NVRAM read/write failure
1-1-4
ROM BIOS checksum failure