Dell POWEREDGE 840 - Manual (Page 16)

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 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
operating condition after
POST. Information only.
Table 1-4. Diagnostic Indicator Codes (continued)
Code Causes Corrective Action
= y e l l o w
= g r e e n
= o f f
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