System Error Messages

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 3-2. System Error Messages

Message

Definition

Probable Causes

Auxiliary device failure

Integrated trackball or external PS/2 mouse failed.

Integrated trackball 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.

Message

Definition

Probable Causes

Decreasing available memory

Disk C: failed initialization

Diskette subsystem reset failed

Diskette write-protected

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

Hard-disk drive failed to initialize.

Diskette drive 0 seek failure

Diskette read failure

System cannot read diskette in diskette drive.

Diskette subsystem failed to respond to reset command from computer.

Diskette is write-protected, operation cannot be completed.

One or more DIMMs faulty or improperly seated.

Hard-disk drive data in System Setup does not match installed hard-disk drive, or hard-disk drive faulty.

System files missing or corrupted.

Diskette faulty or incorrectly inserted in drive.

System Setup contains incorrect settings.

Diskette drive interface loose or faulty.

Diskette drive faulty. System board faulty.

Diskette write-

protected.

Drive not ready

Error reading PCMCIA card

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

Computer cannot identify PC Card.

Defective or unformatted diskette.

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

PC Card software faulty or incorrectly installed.

Message

Definition

Probable Causes

Extended memory size has changed

Gate A20 failure

Amount of memory recorded in NVRAM not matching memory installed in computer.

Computer cannot enable protective mode.

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

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

General failure

Hard-disk drive configuration error

Hard-disk drive controller failure 0

Hard-disk drive controller failure 0

Hard-disk drive failure

Hard-disk drive read failure

Invalid configuration information — please run System Setup program

Keyboard controller failure

Message indicates system failure.

Computer cannot identify hard-disk drive type.

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

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

Hard-disk drive not responding to commands from computer.

System Setup contains invalid settings.

Keyboard controller not responding.

System board faulty.

Operating system unable to carry out the command.

Installed hard-disk drive not compatible with computer.

System board faulty.

System board faulty.

Computer needs rebooting.

Hard-disk drive faulty.

Incorrect settings in System Setup.

Reserve battery weak or depleted.

Cable or connector loose, or keyboard faulty.

Keyboard clock Keyboard not responding. Cable or connector line failure loose, or keyboard faulty.

Keyboard data line failure

Message Definition Probable Causes

Keyboard stuck Keyboard key(s) jammed. For external keykey failure board 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.

Installed memory module faulty or improperly seated.

Memory address Memory control logic not line failure at operating properly. address, read value expecting value

Memory allocation error

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

Faulty application program

Message

Definition

Probable Causes

Memory data line failure at address, read value expecting value

Memory not operating properly.

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 available

Computer not recognizing diskette drive or hard-disk drive from which it is trying to boot.

No boot device available.

No boot sector on hard-disk drive

No boot sector on hard-disk drive.

Operating system boot files missing or corrupted.

No timer tick interrupt

Timer on system board malfunctioning.

System board faulty.

Non-system disk or disk error

Not a boot diskette

Unable to boot from hard-disk drive or diskette drive.

No operating system files on hard-disk drive or 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.

Main battery has lost its charge.

Main battery needs recharging.

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