Dell OptiPlex E1 - Manual (Page 21)

Keyboard data line failure
Keyboard stuck key failure
System cannot communicate with
keyboard. Indicates a fatal error. Loose or improperly connected
keyboard cable connector, defective
keyboard, or defective keyboard/mouse
controller (defective system board).
Memory address line failure at
address, read value expecting
value
Memory data line failure at
address, read value expecting
value
Memory double word logic
failure at address, read value
expecting value
Memory odd/even logic failure
at address, read value
expecting value
Memory write/read failure at
address, read value expecting
value
During memory test, value read at
address was incorrect.
Faulty or improperly seated DIMMs or
defective system board.
Memory allocation error Software in use conflicts with operating
system, application, or utility. Faulty application or utility.
No boot device available System does not recognize diskette drive
or hard-disk drive from which it is trying
to boot. Faulty diskette, diskette/tape drive
subsystem, hard-disk drive, hard-disk
drive subsystem; or no boot disk in drive
A.
No boot sector on hard-disk
drive
Configuration settings in System Setup
program incorrect, or operating system
corrupted. Incorrect configuration settings in System
Setup program, or no operating system
on hard-disk drive.
No timer tick interrupt Timer on system board malfunctioning.
Indicates a fatal error. Defective system board.
Non-system disk or disk error Diskette in drive A or hard-disk drive
does not have bootable operating system
installed on it. Faulty diskette, diskette/tape drive
subsystem, or hard-disk drive
subsystem.
Not a boot diskette No operating system on diskette. No operating system on diskette.
Plug and Play Configuration
Error
System encountered problem in trying to
configure one or more expansion cards. System resource conflict.
Read fault
Requested sector not found
MS-DOS® cannot read from diskette
or hard-disk drive.
System could not find particular sector
on disk, or requested sector defective. Faulty diskette, diskette/tape drive
subsystem, or hard-disk drive subsystem
(defective system board).
Reset failed Disk reset operation failed. Improperly connected diskette/tape
drive, hard-disk drive interface cable, or
power cable.
Sector not found MS-DOS unable to locate sector on
diskette or hard-disk drive. Defective sectors on diskette or hard-
disk drive.
Seek error MS-DOS unable to locate specific track
on diskette or hard-disk drive. Defective diskette or hard-disk drive.
Seek operation failed System could not find particular address
mark on disk. Faulty diskette or hard-disk drive.
Shutdown failure System board chip faulty. Indicates a
fatal error. Defective system board.
Time-of-day clock stopped System battery low. Defective battery or faulty chip
(defective system board).
Time-of-day not set Time or Date setting in System Setup
program incorrect, or system battery
bad. Incorrect Time or Date settings, or
defective system battery.
Timer chip counter 2 failed Timer circuit on system board Defective system board.