Lenovo ThinkCentre M55 (English) User guide - Page 45

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3. Locate the PCI riser. See "Locating components" on page 20. 4. Remove the PCI riser to gain access to the battery. See "Installing a PCI adapter" on page 23. 5. Locate the battery. See "Identifying parts on the system board" on page 20. 6. Remove the old battery using the following illustration. 7. Install the new battery using the following illustration. 8. Reinstall the PCI riser. 9. Close the computer cover, and plug in the power cord. See "Closing the cover and connecting the cables" on page 31. Note: When the computer is turned on for the first time after you replace the battery, an error message might be displayed. This is normal after replacing the battery. 10. Turn on the computer and all attached devices. 11. Use the Setup Utility program to set the date and time and any passwords. See Chapter 5, "Using the Setup Utility," on page 41. Chapter 3. Installing options 29

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3.
Locate
the
PCI
riser.
See
“Locating
components”
on
page
20.
4.
Remove
the
PCI
riser
to
gain
access
to
the
battery.
See
“Installing
a
PCI
adapter”
on
page
23.
5.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
20.
6.
Remove
the
old
battery
using
the
following
illustration.
7.
Install
the
new
battery
using
the
following
illustration.
8.
Reinstall
the
PCI
riser.
9.
Close
the
computer
cover,
and
plug
in
the
power
cord.
See
“Closing
the
cover
and
connecting
the
cables”
on
page
31.
Note:
When
the
computer
is
turned
on
for
the
first
time
after
you
replace
the
battery,
an
error
message
might
be
displayed.
This
is
normal
after
replacing
the
battery.
10.
Turn
on
the
computer
and
all
attached
devices.
11.
Use
the
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
See
Chapter
5,
“Using
the
Setup
Utility,”
on
page
41.
Chapter
3.
Installing
options
29