Lenovo TC A51-8122 Manuel D’Utilisation
6.
Shut
down
or
restart
your
computer.
Error
codes
The
following
table
includes
some
of
the
more
common
error
codes
that
might
be
displayed
when
your
computer
is
performing
the
power-on
self-test
(POST).
v
Record
error
codes
that
are
displayed.
If
you
call
for
service,
you
will
be
asked
for
the
error
codes.
v
If
there
are
multiple
error
codes,
always
work
to
solve
problems
in
the
order
in
which
the
error
codes
are
displayed.
Usually,
solving
the
first
error
code
will
solve
succeeding
ones.
v
If
the
error
code
is
not
in
the
following
table,
more
in-depth
troubleshooting
is
required.
–
If
the
operating
system
starts
when
you
turn
on
your
computer,
see
to
run
diagnostics.
Also,
use
the
Access
IBM
program
for
more
information
on
problem
solving.
–
If
the
operating
system
will
not
start,
have
the
computer
serviced.
Code
Description
Action
135
Fan
failure
Have
the
computer
serviced.
162
A
change
in
device
configuration
occurred.
Verify
that:
v
All
external
devices
are
turned
on.
v
All
devices
are
properly
installed
and
securely
connected.
Reload
the
default
configuration
settings
using
the
Setup
Utility.
If
you
cannot
correct
the
problem,
have
the
computer
serviced.
164
System
memory
size
is
less
than
expected.
Add
more
memory
to
your
computer
or
use
the
Setup
Utility
to
accept
the
new
memory
amount.
If
you
cannot
correct
the
problem,
have
the
computer
serviced.
210
or
211
A
keyboard
error
has
occurred.
Verify
that:
v
The
keyboard
is
properly
connected.
v
No
keys
on
the
keyboard
are
stuck.
If
you
cannot
correct
the
problem,
have
the
computer
serviced.
Chapter
5.
Troubleshooting
and
diagnostics
27