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Software in use con-
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system, application, or
utility.
Faulty application or
utility.
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Memory test did not
complete.
POST memory test
terminated by pressing
the spacebar.
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System does not recog-
nize 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.
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Configuration settings
in System Setup pro-
gram incorrect or
operating system
corrupted.
Incorrect configuration
settings in System Setup
program or no operating
system on hard-disk
drive.
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Timer on system board
malfunctioning.
Defective system board.
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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.
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No operating system on
diskette.
No operating system on
diskette.
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System encountered
problem in trying to
configure one or more
expansion cards.
System resource conflict.
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MS-DOS cannot read
from diskette or hard-
disk drive.
System could not find
particular sector on disk
or requested sector
defective.
Faulty diskette or hard-
disk drive.
5HVHWIDLOHG Disk reset operation
failed.
Improperly connected
diskette/tape drive, hard-
disk drive interface cable,
or power cable.
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MS-DOS unable to
locate sector on dis-
kette or hard-disk drive.
Defective sectors on
diskette or hard-disk
drive.
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