Errors without messages, Errors, Without – Lenovo Z61t User Manual
Page 25: Messages, Solving, Computer, Problems
If
one
of
the
following
error
code
messages
is
displayed
on
the
screen,
have
the
computer
serviced:
0175:
Bad
CRC1,
stop
POST
task
0177:
Bad
SVP
data,
stop
POST
task.
Checksum
of
the
supervisor
password
in
the
EEPROM
is
not
correct.
0187:
EAIA
data
access
error
0188:
Invalid
RFID
serialization
information
area
0189:
Invalid
RFID
configuration
information
area
0192:
System
Security
-
Embedded
Security
hardware
tamper
detected.
0260:
System
timer
error
0270:
Real
time
clock
error
02D0:
System
cache
error
02F4:
EISA
CMOS
not
writable
02F5:
DMA
test
failed
02F6:
Software
NMI
failed
02F7:
Fail-safe
timer
NMI
failed
Fan
error
Thermal
sensing
error
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
by
pressing
and
holding
the
power
button
for
more
than
4
seconds;
then
turn
it
on
and
listen
again.
If
you
are
using
an
external
monitor,
refer
to
Solution:
If
a
power-on
password
is
set,
press
any
key
to
display
the
power-on
password
prompt,
and
then
type
the
correct
password
and
press
Enter.
If
the
power-on
password
prompt
does
not
appear,
the
brightness
level
might
be
set
to
minimum
brightness.
Adjust
the
brightness
level
by
pressing
the
Fn+Home.
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.)
Solving
computer
problems
Chapter
3.
Solving
computer
problems
17