Dell External OEMR R210II Owner's Manual page 18

Code
18
About Your System
Causes
Hard drive failure.
Possible USB failure.
No memory modules
detected.
System board failure.
Memory configuration
error.
Possible system board
resource and/or system
board hardware failure.
Possible system resource
configuration error.
Other failure.
Corrective Action
Ensure that the diskette drive and
hard drive are properly connected.
See "Hard Drives" on page 56 for
information on the drives
installed in your system.
See "Troubleshooting a USB
Device" on page 98.
See "Troubleshooting System
Memory" on page 104.
See "Getting Help" on page 119.
See "Troubleshooting System
Memory" on page 104.
See "Getting Help" on page 119.
See "Getting Help" on page 119.
Ensure that the optical drive and
hard drives are properly
connected. See "Troubleshooting
Your System" on page 97 for the
appropriate drive installed in your
system. If the problem persists,
see "Getting Help" on page 119.