Keyboard, mouse, or pointing-device problems, Keyboard, Mouse – Lenovo RD210 User Manual
Page 163: 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
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
The
server
resets
(restarts)
occasionally.
1.
If
the
reset
occurs
during
POST
and
the
POST
watchdog
timer
is
enabled
(click
System
Settings
-->
Integrated
Management
Module
-->
POST
Watchdog
Timer
in
the
UEFI
Setup
Utility
program
to
see
the
POST
watchdog
setting),
make
sure
that
sufficient
time
is
allowed
in
the
watchdog
timeout
value
(POST
Watchdog
Timer).
If
the
server
continues
to
reset
during
POST,
see
2.
If
the
reset
occurs
after
the
operating
system
starts,
disable
any
automatic
server
restart
(ASR)
utilities
or
ASR
devices
that
may
be
installed.
Note:
ASR
utilities
operate
as
operating-system
utilities
and
are
related
to
the
IPMI
device
driver.
If
the
reset
continues
to
occur
after
the
operating
system
starts,
the
operating
system
might
have
a
problem;
see
3.
If
neither
condition
applies,
check
the
system-error
log
or
IMM
system
event
log
(see
If
the
problem
remains,
call
for
service.
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
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
cable
is
securely
connected.
v
If
you
are
using
a
PS/2
keyboard,
the
keyboard
and
mouse
cables
are
not
reversed.
v
The
server
and
the
monitor
are
turned
on.
2.
If
you
are
using
a
USB
keyboard,
run
the
UEFI
Setup
Utility
program
and
enable
keyboardless
operation
to
prevent
the
301
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
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
Chapter
7.
Solving
problems
147