Dell OptiPlex N Troubleshooting Manual page 27

Message
Diskette write
protected
Gate A20
failure
General
failure
Hard disk
configuration
error
Hard disk
controller
failure
Hard disk
failure
Hard-disk
drive read
failure
Incompatible
Processor:
CPU0 is B0
step or below!
Incompatible
Processor:
CPU1 is B0
step or below!
NOTE: For the full name of an abbreviation or acronym used in this table, see the abbreviation and acronym list that precedes the
Index.
Table 2-1. System Messages (continued)
Cause
The diskette write-protect feature is
activated.
One or more SIMMs or DIMMs may
be loose.
The operating system is unable to
carry out the command.
The hard-disk drive failed
initialization.
The hard-disk drive failed
initialization.
An old, unsupported version of the
microprocessor is installed.
In a single-microprocessor system,
CPU0 refers to the system board
microprocessor; in a dual-
microprocessor system, it refers to
the secondary microprocessor on the
add-in card.
The CPU1 message appears only on
a dual-microprocessor system and
always refers to the system board
microprocessor.
Action
Remove the diskette from drive A and move the
write-protect tab to the unlocked position.
See "Troubleshooting System Memory" in
Chapter 6.
This message is usually followed by specific infor-
mation—for example, PRINTER OUT OF
PAPER. Respond by taking the appropriate action.
See "Troubleshooting Hard-Disk Drives" in
Chapter 6.
See "Troubleshooting Hard-Disk Drives" in
Chapter 6.
Replace the indicated microprocessor with a cur-
rent version of the microprocessor. If you need
technical assistance, see Chapter 7, "Getting
Help."
NOTE: These messages indicate a fatal error.
When a fatal error occurs, the system usually can-
not be rebooted until an appropriate hardware
change has been made.
Messages and Codes 2-3