Lenovo ThinkPad T60p User Manual
Page 21
Message
Solution
0251:
System
CMOS
checksum
bad
The
system
CMOS
might
have
been
corrupted
by
an
application
program.
The
computer
uses
the
default
settings.
Run
BIOS
Setup
Utility
to
reconfigure
the
settings.
If
you
still
see
the
same
error
code,
have
the
computer
serviced.
0271:
Date
and
time
error
Neither
the
date
nor
the
time
is
set
in
the
computer.
Set
the
date
and
time,
using
the
BIOS
Setup
Utility.
0280:
Previous
boot
incomplete
Your
computer
was
previously
unable
to
complete
the
boot
process.
Turn
the
computer
off;
then
turn
it
on
to
start
the
BIOS
Setup
Utility.
Verify
the
configuration
and
then
restart
the
computer
either
by
choosing
the
Exit
Saving
Changes
option
under
the
Restart
item
or
by
pressing
F10.
If
you
still
see
the
same
error
code,
have
the
computer
serviced.
1802:
Unauthorized
network
card
is
plugged
in
-
Power
off
and
remove
the
miniPCI
network
card.
The
Mini-PCI
network
card
is
not
supported
on
this
computer.
Remove
it.
1803:
Unauthorized
daughter
card
is
plugged
in
-
Power
off
and
remove
the
daughter
card.
The
daughter
card
is
not
supported
on
this
computer.
Remove
it.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
13