Beep Codes and Error Messages 3-5
Address mark
not found
Attachment
failed to
respond
BIOS found faulty disk
sector or could not find
particular disk sector.
Diskette drive or hard-
disk drive control ler
cannot send data to
associated drive.
F aulty diskette/tape drive
subsystem or hard-disk
drive subsystem (defec-
tiv e sy stem board ), f aulty
interface cable or
connector.
Alert! Cover
was previously
removed.
Co ver was previous ly
removed. Cov e r was previously
removed.
Alert! Hard
disk drive
thermal probe
failure
detected.
Hard-disk drive thermal
probe has f ailed. No hard-disk drive
thermal probe installed,
defectiv e thermal probe,
or thermal cable not con-
nected to the control
panel.
Alert! One or
more of the
Memory DIMMs
are out of rev.
S ystem detected that
one or more of the
DIMMs are not the cor-
rect revision.
DIMMs do not meet
Intel’s SPD 1.2 specifica-
tion or 66-MHz DIMMs
are installed.
Alert! Power
supply fan
failure
detected.
Power supply fan has
failed. The po wer supply or sys-
tem board is defectiv e .
Alert! Previ-
ous fan
failure.
System fan failed during
the previous operating
session.
No fan i n stalled, defec-
tiv e fan, or fan cable not
connected.
Alert! Previ-
ous thermal
failure.
T he microprocessor
exceeded its recom-
mended operating
temperature during the
previous operating
session.
Operating en vironment is
too hot (above 35°C). The
system vents may be
blocked, causing the sys-
tem to o verheat.
Alert! Previ-
ous voltage
failure.
S ystem voltage
e xceeded or fell below
an acceptable
threshold.
Defective power supply.
Alert! Primary
processor is
out of rev.
S ystem detected that
the primary processor is
not the cor rect r e vision.
If the system contains
more than 51 2 MB of
RAM, this message will
be followed by a Sys-
tem Halted message.
P rocessor is a type not
supported by Dell.