Errors without messages, Errors, Without – Lenovo NONE FOUND 3000 V100 User Manual
Page 21: Messages, Solving, Computer, Problems
Code
Message
Description
N/A*
Parity
Check
2
nnnn
Parity
error
found
in
the
I/O
bus.
BIOS
attempts
to
locate
the
address
and
display
it
on
the
screen.
If
it
cannot
locate
the
address,
it
displays
????.
N/A
Press
F1
to
resume,
F2
to
Setup,
F3
for
previous
Displayed
after
any
recoverable
error
message.
Press
F1
to
start
the
boot
process
or
F2
to
enter
Setup
and
change
the
settings.
Press
F3
to
display
the
previous
screen
(usually
an
initialization
error
of
an
Option
ROM,
i.e.,
an
add-on
card).
Write
down
and
follow
the
information
shown
on
the
screen.
Errors
without
messages
Problem:
When
I
turn
on
the
machine,
nothing
appears
on
the
screen
and
the
machine
does
not
beep
while
starting
up.
Note:
If
you
are
not
sure
whether
you
heard
any
beeps,
turn
off
the
computer;
then
turn
it
on
again,
and
listen
again.
If
you
are
using
an
external
monitor,
refer
to
Solution:
If
a
user
password
is
set,
press
any
key
to
display
the
user
password
prompt,
and
then
type
the
correct
password
and
press
Enter.
If
the
user
password
prompt
does
not
appear,
the
brightness
level
might
be
set
to
minimum
brightness.
Adjust
the
brightness
level
by
pressing
Fn+F11.
If
the
screen
still
remains
blank,
make
sure
that:
v
The
battery
is
installed
correctly.
v
The
ac
adapter
is
connected
to
the
computer
and
the
power
cord
is
plugged
into
a
working
electrical
outlet.
v
The
computer
power
is
on.
(Turn
on
the
power
switch
again
for
confirmation.)
If
these
items
are
properly
set,
and
the
screen
remains
blank,
have
the
computer
serviced.
Problem:
When
I
turn
on
the
machine,
nothing
appears
on
the
screen,
but
I
hear
two
or
more
beeps.
Solution:
Make
sure
that
the
memory
card
is
installed
correctly.
If
it
is,
but
the
screen
is
still
blank,
and
you
hear
five
beeps,
have
the
computer
serviced.
Problem:
My
screen
goes
blank
while
the
computer
is
on.
Solution:
Your
screen
saver
or
power
management
may
be
enabled.
Touch
the
touch
pad,
or
press
a
key
to
exit
the
screen
saver,
or
press
the
power
switch
to
resume
from
standby
or
hibernation
mode.
Solving
computer
problems
Chapter
3.
Solving
computer
problems
13