Dell PowerEdge 840 Hardware Owner's Manual (PDF) - Page 16

A B C D, yellow, green - help

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Table 1-4. Diagnostic Indicator Codes (continued) Code Causes Possible USB failure. Corrective Action See "Troubleshooting a USB Device" on page 95. A B C D No memory modules detected. See ""Troubleshooting System Memory" on page 100. A B C D System board failure. See "Getting Help" on page 121." A B C D A B C D A B C D A B C D A B C D A B C D = yellow = green = off Memory configuration See "Troubleshooting System Memory" on error. page 100. Possible system board resource and/or system board hardware failure. See "Getting Help" on page 121." Possible expansion card See "Troubleshooting Expansion Cards" on failure. page 108. Other failure. Ensure that the diskette drive, optical drive, and hard drive(s) are properly connected. See "Troubleshooting Your System" on page 91" for the appropriate drive(s) installed in your system. If the problem persists, see "Getting Help" on page 121." The system is in a normal Information only. operating condition after POST. 16 About Your System

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16
About Your System
Possible USB failure.
See "Troubleshooting a USB Device" on
page 95.
No memory modules
detected.
See ""Troubleshooting System Memory" on
page 100.
System board failure.
See "Getting Help" on page 121."
Memory configuration
error.
See "Troubleshooting System Memory" on
page 100.
Possible system board
resource and/or system
board hardware failure.
See "Getting Help" on page 121."
Possible expansion card
failure.
See "Troubleshooting Expansion Cards" on
page 108.
Other failure.
Ensure that the diskette drive, optical drive,
and hard drive(s) are properly connected. See
"Troubleshooting Your System" on page91" for
the appropriate drive(s) installed in your
system.
If the problem persists, see "Getting Help" on
page 121."
The system is in a normal
operating condition after
POST.
Information only.
Table 1-4.
Diagnostic Indicator Codes
(continued)
Code
Causes
Corrective Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D