System Error Messages

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The following table lists (in alphabetical order) system error messages that may appear on the display during the boot routine or during normal computer operation.

Table 3-3. System Error Messages

Message

Definition

Probable Causes

Auxiliary device failure

Integrated touch pad or external PS/2 mouse failed.

Integrated touch pad or external PS/2 mouse faulty.

Bad command or File Name

Command entered does not exist or is not in pathname specified.

Bad command or filename entered.

Cache disabled due to failure

Microprocessor's internal cache memory failed.

System board faulty.

Data error

Diskette or hard-disk drive cannot read the data.

Faulty diskette/tape drive subsystem or hard-disk drive subsystem.

Decreasing available memory

Informational message indicating memory is failing (usually preceded by memory error message).

One or more DIMMs faulty or improperly seated.

Disk C: failed initialization

Hard-disk drive failed to initialize.

Hard-disk drive improperly seated in modular bay.

Hard-disk drive damaged.

System files missing or corrupted.

Diskette drive 0 seek failure

System cannot read diskette in diskette drive.

Diskette faulty or incorrectly inserted in drive.

Diskette read failure

System cannot read diskette in diskette drive.

System Setup contains incorrect settings.

Diskette drive interface loose or faulty.

Diskette drive faulty.

Diskette subsystem reset failed

Diskette subsystem failed to respond to reset command from computer.

System board faulty.

Message

Definition

Probable Causes

Diskette write-protected

Diskette is write-protected; operation cannot be completed.

Diskette write-protected.

Drive not ready

The diskette may be missing from or improperly installed in the diskette drive.

Defective or unformatted diskette.

Error reading PCMCIA card

Computer cannot identify PC Card.

PC Card faulty, improperly seated, or improperly configured. System board faulty.

PC Card software faulty or incorrectly installed.

Extended memory size has changed

Amount of memory recorded in NVRAM does not match memory installed in computer.

One or more memory modules faulty or improperly seated.

Gate A20 failure

Computer cannot enable protective mode.

One or more memory modules faulty or improperly seated.

System board faulty.

General failure

Message indicates system failure.

Operating system unable to carry out the command.

Hard-disk drive configuration error

Computer cannot identify hard-disk drive type.

Installed hard-disk drive not compatible with computer.

Hard-disk drive controller failure 0

Hard-disk drive or controller not responding to commands from computer.

System board faulty.

Hard-disk drive controller failure 1

The CD-ROM drive does not respond to commands from the computer.

System board faulty.

Hard-disk drive failure

Hard-disk drive read failure

Hard-disk drive not responding to commands from computer.

Computer needs rebooting.

Hard-disk drive faulty.

Message

Definition

Probable Causes

Invalid configuration information — please run System Setup program

System Setup contains invalid settings.

System Setup program contains incorrect settings.

NVRAM reserve battery weak or depleted.

Keyboard controller failure

Keyboard controller not responding.

Cable or connector loose, or keyboard faulty.

Keyboard clock line failure

Keyboard data line failure

Keyboard not responding.

Cable or connector loose, or keyboard faulty.

Keyboard stuck key failure

Keyboard key(s) jammed.

For external keyboard or keypad, cable or connector loose or keyboard faulty.

For built-in keyboard, keyboard faulty.

For either keyboard, key may have been pressed while computer was booting.

Memory address line failure at address, read value expecting value

Memory control logic not operating properly.

Installed memory module faulty or improperly seated.

Memory allocation error

The software in use conflicts with the operating system, an application program, or a utility.

Faulty application program.

Message

Memory data line failure at address, read value expecting value

Definition

Memory not operating properly.

Probable Causes

Installed memory module faulty or improperly seated.

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

No boot device Computer not recognizing No boot device available diskette drive or hard-disk available.

drive from which it is trying to boot.

No boot sector on No boot sector on hard- Operating system hard-disk drive disk drive. boot files missing or corrupted.

No timer tick Timer on system board System board faulty.

interrupt malfunctioning.

Non-system disk Unable to boot from hard- No operating or disk error disk drive or diskette drive. system files on hard-disk drive or Not a boot diskette.

diskette

Optional ROM bad checksum

ROM in external device failed.

Optional ROM in external device faulty.

Sector not found

MS-DOS® unable to locate a sector on diskette or hard-disk drive.

Bad sector or corrupted FAT on diskette or hard-disk drive.

Message

Definition

Probable Causes

Seek error

MS-DOS unable to find specific track on diskette or hard-disk drive.

Defective diskette or hard-disk drive.

Shutdown failure

Microprocessor unable to reset.

System board faulty.

Time-of-day clock lost power

System clock stopped.

Reserve battery lost its charge.

Time-of-day clock stopped

Time-of-day not set—please run the System Setup program.

Time or date stored in RTC does not match system clock.

Reserve battery lost its charge.

System board faulty.

Timer chip counter 2 failed

Timer circuit on system board malfunctioning.

System board faulty.

Unexpected interrupt in protected mode

Keyboard/mouse controller malfunctioning, or memory module(s) not responding.

One or more memory module(s) faulty or improperly seated.

Warning! Battery is critically low.

Battery is running out of power.

Battery needs recharging.

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