Lenovo 9935B3U User Manual - Page 38

Replacing, battery

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6. Remove the retaining bracket from the failing diskette drive or card reader and install it on the new diskette drive or card reader. Figure 27. Retaining bracket for the diskette drive or card reader 7. Install the new diskette drive or card reader into the drive bay from the front until it snaps into position. Figure 28. Installing the new diskette drive or card reader 8. Reconnect the signal and power cables to the rear of the new diskette drive or card reader. 9. Go to "Completing the parts replacement" on page 37. Replacing the battery Attention Do not open your computer or attempt any repair before reading and understanding the "Important safety information" in the ThinkCentre Safety and Warranty Guide that came with your computer. To obtain a copy of the ThinkCentre Safety and Warranty Guide, go to: http://www.lenovo.com/support 30 User Guide This section provides instructions on how to replace the battery. Your computer has a special type of memory that maintains the date, time, and settings for built-in features, such as parallel-port assignments (configuration). A battery keeps this information active when you turn off the computer. The battery normally requires no charging or maintenance throughout its life; however, no battery lasts forever. If the battery fails, the date, time, and configuration information (including passwords) are lost. An error message is displayed when you turn on the computer. Refer to the "Lithium battery notice" in the ThinkCentre Safety and Warranty Guide for information about replacing and disposing of the battery. To replace the battery: 1. Remove the computer cover. See "Removing the computer cover" on page 14. 2. You might have to access the system board components. See "Accessing the system board components and drives" on page 15.

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6.
Remove
the
retaining
bracket
from
the
failing
diskette
drive
or
card
reader
and
install
it
on
the
new
diskette
drive
or
card
reader.
7.
Install
the
new
diskette
drive
or
card
reader
into
the
drive
bay
from
the
front
until
it
snaps
into
position.
8.
Reconnect
the
signal
and
power
cables
to
the
rear
of
the
new
diskette
drive
or
card
reader.
9.
Go
to
“Completing
the
parts
replacement”
on
page
37.
Replacing
the
battery
Attention
Do
not
open
your
computer
or
attempt
any
repair
before
reading
and
understanding
the
“Important
safety
information”
in
the
ThinkCentre
Safety
and
Warranty
Guide
that
came
with
your
computer.
To
obtain
a
copy
of
the
ThinkCentre
Safety
and
Warranty
Guide
,
go
to:
This
section
provides
instructions
on
how
to
replace
the
battery.
Your
computer
has
a
special
type
of
memory
that
maintains
the
date,
time,
and
settings
for
built-in
features,
such
as
parallel-port
assignments
(configuration).
A
battery
keeps
this
information
active
when
you
turn
off
the
computer.
The
battery
normally
requires
no
charging
or
maintenance
throughout
its
life;
however,
no
battery
lasts
forever.
If
the
battery
fails,
the
date,
time,
and
configuration
information
(including
passwords)
are
lost.
An
error
message
is
displayed
when
you
turn
on
the
computer.
Refer
to
the
"Lithium
battery
notice"
in
the
ThinkCentre
Safety
and
Warranty
Guide
for
information
about
replacing
and
disposing
of
the
battery.
To
replace
the
battery:
1.
Remove
the
computer
cover.
See
“Removing
the
computer
cover”
on
page
14.
2.
You
might
have
to
access
the
system
board
components.
See
“Accessing
the
system
board
components
and
drives”
on
page
15.
Figure
27.
Retaining
bracket
for
the
diskette
drive
or
card
reader
Figure
28.
Installing
the
new
diskette
drive
or
card
reader
30
User
Guide