Service Manual

(defective system board)
Address line short! Faulty memory circuitry on
system board
Replace the system board.
C: Drive Error Hard-disk drive is not
responding correctly to
system commands
Run the Dell Diagnostics. See "Running the Dell
Diagnostics" in the Installation and
Troubleshooting Guide for instructions.
Replace the hard-disk drive
.
C: Drive Failure Faulty hard-disk drive Replace the hard-disk drive
.
Cache Memory Bad,
Do Not Enable
Cache!
Faulty cache memory Replace the microprocessor
.
CH-2 Timer Error Faulty system board Replace the system board.
CMOS Battery State
Low
The system battery power is
low
Replace the system battery.
CMOS System
Options Not Set
Missing settings in system
setup program
Check the System Setup program configuration
settings. See "Using the System Setup
Program."
CMOS Display Type
Mismatch
Incorrect video configuration
setting in system setup
program
Correct the System Setup program video
configuration settings. See "Using
the System
Setup Program."
CMOS Memory Size
Mismatch
System memory value in
system setup program is
incorrect
Correct the System Setup program memory
configuration settings. See "Using
the System
Setup Program."
CMOS System
Options Not Set
Missing settings in the System
Setup program.
Check the System Setup program
configuration
setting.
CMOS Time and
Date Not Set
Defective system battery Replace the battery. See "Replacing the Battery
."
D: Drive error Hard-disk drive is not
responding correctly to
system commands
Run the Dell Diagnostics. See Chapter 5 in the
Installation and Troubleshooting Guide for
instructions.
Replace the hard-disk drive
.
D: Drive failure Faulty hard-disk drive Replace the hard-disk drive
.
Diskette Boot Failure No operating system on
diskette
Use a bootable diskette.