To
change
the
battery:
1.
Turn
off
the
computer
and
disconnect
the
power
cord
from
the
electrical
outlet
and
from
the
computer.
2.
Remove
the
computer
cover.
See
“Removing
the
cover”
on
page
20.
3.
Access
the
system
board
components.
See
“Accessing
system
board
components”
on
page
22.
4.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
24.
5.
Remove
the
old
battery.
6.
Install
the
new
battery.
7.
Replace
the
computer
cover,
and
connect
the
cables.
See
“Replacing
the
cover
and
connecting
the
cables”
on
page
31.
Note:
When
the
computer
is
turned
on
for
the
first
time
after
battery
replacement,
an
error
message
might
be
displayed.
This
is
normal
after
replacing
the
battery.
8.
Turn
on
the
computer
and
all
attached
devices.
9.
Use
the
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
See
Chapter
5,
“Using
the
Setup
Utility,”
on
page
41.
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
This
section
applies
to
lost
or
forgotten
passwords.
For
more
information
about
lost
or
forgotten
passwords,
go
to
the
Lenovo
Care
sm
program.
To
erase
a
forgotten
password:
1.
Remove
the
computer
cover.
See“Removing
the
cover”
on
page
20.
2.
You
might
have
to
access
the
system
board
components.
See
“Accessing
system
board
components”
on
page
22.
3.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
24.
4.
Move
the
jumper
from
the
standard
position
(pins
1
and
2)
to
the
maintenance
or
configure
position
(pins
2
and
3).
Note:
If
the
system
board
has
only
two
pins
for
clearing
CMOS,
add
a
jumper
to
the
two
pins.
5.
Replace
the
computer
cover
and
connect
the
power
cord.
30
User
Guide
Summary of Contents for 3000 J 7390
Page 1: ...User Guide Lenovo 3000 J Series Types 7390 7391 7392 7396 7397 7398 ...
Page 2: ......
Page 3: ...Lenovo 3000 J Series ...
Page 16: ...xiv User Guide ...
Page 26: ...10 User Guide ...
Page 48: ...32 User Guide ...
Page 56: ...40 User Guide ...
Page 62: ...46 User Guide ...
Page 80: ...64 User Guide ...
Page 85: ......
Page 86: ...Part Number 41X8053 Printed in USA 1P P N 41X8053 ...