Lenovo 6431 Manuel D’Utilisation
Keyboard,
mouse,
or
pointing-device
problems
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
the
parts
listing
in
the
Hardware
Maintenance
Manual
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Symptom
Action
All
or
some
keys
on
the
keyboard
do
not
work.
1.
Make
sure
that:
v
The
keyboard
is
compatible
with
the
server.
See
v
The
keyboard
cable
is
securely
connected.
v
The
server
and
the
monitor
are
turned
on.
2.
If
you
are
using
a
USB
keyboard,
run
the
Configuration/Setup
Utility
program
and
enable
keyboardless
operation
to
prevent
a
POST
error
message
from
being
displayed
during
startup.
3.
If
you
are
using
a
USB
keyboard
and
it
is
connected
to
a
USB
hub,
disconnect
the
USB
keyboard
from
the
hub
and
connect
it
directly
to
the
server.
4.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Keyboard
b.
(Trained
service
technician
only)
System
board
The
mouse
or
pointing
device
does
not
work.
1.
Make
sure
that:
v
The
mouse
is
compatible
with
the
server.
See
v
The
mouse
or
pointing-device
cable
is
securely
connected
to
the
server.
v
The
mouse
or
pointing-device
drivers
are
installed
correctly.
v
The
server
and
the
monitor
are
turned
on.
v
The
mouse
option
is
enabled
in
the
Configuration/Setup
Utility
program.
2.
If
you
are
using
a
USB
mouse
or
pointing
device
and
it
is
connected
to
a
USB
hub,
disconnect
the
mouse
or
pointing
device
from
the
hub
and
connect
it
directly
to
the
server.
3.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Mouse
or
pointing
device
b.
(Trained
service
technician
only)
System
board
66
ThinkServer
TS100
Types
6431,
6432,
6433,
6434:
Installation
Guide