Lenovo 7064 User Manual

Page of 58
Symptom
 
Action
 
The
 
keyboard
 
does
 
not
 
work.
 
The
 
computer
 
does
 
not
 
respond
 
to
 
the
 
keyboard.
 
Verify
 
that:
 
v
   
The
 
computer
 
is
 
turned
 
on.
 
v
   
The
 
monitor
 
is
 
turned
 
on
 
and
 
the
 
brightness
 
and
 
contrast
 
controls
 
are
 
set
 
correctly.
 
v
   
The
 
keyboard
 
is
 
securely
 
connected
 
to
 
the
 
keyboard
 
connector
 
on
 
the
 
computer.
 
v
   
No
 
keys
 
are
 
stuck.
If
 
you
 
cannot
 
correct
 
the
 
problem,
 
have
 
the
 
computer
 
serviced.
 
Refer
 
to
 
the
 
safety
 
and
 
warranty
 
information
 
that
 
is
 
provided
 
with
 
your
 
computer
 
for
 
a
 
list
 
of
 
service
 
and
 
support
 
telephone
 
numbers.
 
The
 
USB
 
Keyboard
 
does
 
not
 
work.
 
Verify
 
that:
 
v
   
The
 
computer
 
is
 
turned
 
on.
 
v
   
The
 
keyboard
 
is
 
securely
 
connected
 
to
 
a
 
USB
 
connector
 
on
 
the
 
front
 
or
 
rear
 
of
 
the
 
computer.
 
v
   
No
 
keys
 
are
 
stuck.
If
 
you
 
cannot
 
correct
 
the
 
problem,
 
have
 
the
 
computer
 
serviced.
 
Refer
 
to
 
the
 
safety
 
and
 
warranty
 
information
 
that
 
is
 
provided
 
with
 
your
 
computer
 
for
 
a
 
list
 
of
 
service
 
and
 
support
 
telephone
 
numbers.
 
The
 
mouse
 
does
 
not
 
work.
 
The
 
computer
 
does
 
not
 
respond
 
to
 
the
 
mouse.
 
Verify
 
that:
 
v
   
The
 
computer
 
is
 
turned
 
on.
 
v
   
The
 
mouse
 
is
 
securely
 
connected
 
to
 
the
 
mouse
 
connector
 
on
 
the
 
computer.
 
v
   
The
 
mouse
 
is
 
clean.
 
Refer
 
to
 
for
 
further
 
information.
If
 
you
 
cannot
 
correct
 
the
 
problem,
 
have
 
the
 
computer
 
serviced.
 
Refer
 
to
 
the
 
safety
 
and
 
warranty
 
information
 
that
 
is
 
provided
 
with
 
your
 
computer
 
for
 
a
 
list
 
of
 
service
 
and
 
support
 
telephone
 
numbers.
 
The
 
operating
 
system
 
will
 
not
 
start.
 
Verify
 
that:
 
v
   
There
 
is
 
no
 
diskette
 
in
 
the
 
diskette
 
drive.
v
   
The
 
startup
 
sequence
 
includes
 
the
 
device
 
where
 
the
 
operating
 
system
 
resides.
 
Usually,
 
the
 
operating
 
system
 
is
 
on
 
the
 
hard
 
disk
 
drive.
 
For
 
more
 
information,
 
see
 
If
 
you
 
cannot
 
correct
 
the
 
problem,
 
have
 
the
 
computer
 
serviced.
 
Refer
 
to
 
the
 
safety
 
and
 
warranty
 
information
 
that
 
is
 
provided
 
with
 
your
 
computer
 
for
 
a
 
list
 
of
 
service
 
and
 
support
 
telephone
 
numbers.
 
The
 
computer
 
beeps
 
multiple
 
times
 
before
 
the
 
operating
 
system
 
starts.
 
Verify
 
that
 
no
 
keys
 
are
 
stuck
 
down.
 
If
 
you
 
cannot
 
correct
 
the
 
problem,
 
have
 
the
 
computer
 
serviced.
 
Refer
 
to
 
the
 
safety
 
and
 
warranty
 
information
 
that
 
is
 
provided
 
with
 
your
 
computer
 
for
 
a
 
list
 
of
 
service
 
and
 
support
 
telephone
 
numbers.
  
Diagnostic
 
programs
 
Diagnostic
 
programs
 
are
 
used
 
to
 
test
 
hardware
 
components
 
of
 
your
 
computer
 
and
 
report
 
operating-system-controlled
 
settings
 
that
 
can
 
cause
 
hardware
 
failures.
 
There
 
are
 
two
 
diagnostic
 
programs
 
preinstalled
 
on
 
your
 
computer
 
to
 
help
 
you
 
diagnose
 
problems:
 
v
   
PC-Doctor
 
for
 
Windows
 
(used
 
when
 
diagnosing
 
problems
 
while
 
running
 
the
 
Windows
 
operating
 
system)
 
 
16
 
User
 
Guide