Troubleshooting Tools
123
Diagnostic Light Codes During POST
The power light displays a solid green for diagnostic light codes during POST.
(blinking)
amber
A possible system
board failure has
occurred.
Contact Dell for technical
assistance (see "Contacting
Dell" on page 295).
(blinking)
amber
A possible system
board failure has
occurred.
Contact Dell for technical
assistance (see "Contacting
Dell" on page 295).
(blinking)
amber
A possible system
board failure has
occurred.
Contact Dell for technical
assistance (see "Contacting
Dell" on page 295).
(blinking)
amber
A possible system
board failure has
occurred.
Contact Dell for technical
assistance (see "Contacting
Dell" on page 295).
(blinking)
amber
A processor mismatch
exists.
See "Troubleshooting" on
page 107 and then to
"Processor" on page 179.
(blinking)
amber
Power supply cables
are not properly
connected.
Verify that both power
supply cables are plugged
in to the motherboard.
Light Pattern
Problem Description
Suggested Resolution
A possible processor failure has
occurred.
Reinstall the processor (see
"Processor" on page 179)
and restart the computer.
Diagnostic Lights
Power
Light
Problem Description
Suggested Resolution
Summary of Contents for Precision NX046
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell Precision T5400 User s Guide Model DCTA ...
Page 18: ...18 Finding Information ...
Page 43: ...About Your Computer 43 ...
Page 44: ...44 About Your Computer ...
Page 88: ...88 Securing Your Computer ...
Page 120: ...120 Troubleshooting ...
Page 140: ...140 Troubleshooting Tools ...
Page 238: ...238 Adding and Replacing Parts 1 drive panel tabs 2 drive panel 2 Tower Orientation 1 ...
Page 286: ...286 Adding and Replacing Parts ...
Page 287: ...Adding and Replacing Parts 287 ...
Page 288: ...288 Adding and Replacing Parts ...
Page 296: ...296 Getting Help ...
Page 316: ...316 Glossary ...