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About Your System 23
Diskette drive or hard
drive failure.
Ensure that the diskette drive and hard-drive
are properly connected. See "Installing a Hard
Drive" on page 56 for information on the drives
installed in your system.
Possible USB failure. See "Troubleshooting a USB Device" on
page 83.
No memory modules
detected.
See "Troubleshooting System Memory" on
page 88.
System board failure. See "Getting Help" on page 103.
Memory configuration
error.
See "Troubleshooting System Memory" on
page 88.
Possible system board
resource and/or system
board hardware failure.
See "Troubleshooting IRQ Assignment
Conflicts" on page 80. If the problem persists,
see "Getting Help" on page 103.
Possible expansion card
failure.
See "Troubleshooting Expansion Cards" on
page 91.
Other failure. Ensure that the optical drive and hard drives
are properly connected. See "Troubleshooting
Your System" on page 79 for the appropriate
drive installed in your system.
If the problem persists, see "Getting Help" on
page 103.
Table 1-5. 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