Lenovo ThinkCentre M50 User Manual - Page 85

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Refer to "Lithium battery notice" on page x for information about replacing and disposing of the battery. To change the battery: 1. Turn off the computer and all attached devices. 2. Unplug the power cord and remove the cover. See "Removing the cover" on page 56. 3. Locate the battery. See "Identifying parts on the system board" on page 57. 4. If necessary, remove any adapters that impede access to the battery. See "Installing adapters" on page 60 for more information. 5. Remove the old battery. 6. Install the new battery. 7. Replace any adapters that were removed to gain access to the battery. See "Installing adapters" on page 60 for instructions for replacing adapters. 8. Replace the cover, and plug in the power cord. See "Replacing the cover and connecting the cables" on page 70. 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. 9. Turn on the computer and all attached devices. 10. Use the IBM Setup Utility program to set the date and time and any passwords. 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 Access IBM. Note: Some computer models might have a POV daughter card installed on the system board. If this is the case, the password is stored in an EEPROM on the POV card and can not be erased. See "Identifying parts on the system board" on page 57 for the location of the POV daughter card. Chapter 3. Types 8196 and 8197 69

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Refer
to
“Lithium
battery
notice”
on
page
x
for
information
about
replacing
and
disposing
of
the
battery.
To
change
the
battery:
1.
Turn
off
the
computer
and
all
attached
devices.
2.
Unplug
the
power
cord
and
remove
the
cover.
See
“Removing
the
cover”
on
page
56.
3.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
57.
4.
If
necessary,
remove
any
adapters
that
impede
access
to
the
battery.
See
“Installing
adapters”
on
page
60
for
more
information.
5.
Remove
the
old
battery.
6.
Install
the
new
battery.
7.
Replace
any
adapters
that
were
removed
to
gain
access
to
the
battery.
See
“Installing
adapters”
on
page
60
for
instructions
for
replacing
adapters.
8.
Replace
the
cover,
and
plug
in
the
power
cord.
See
“Replacing
the
cover
and
connecting
the
cables”
on
page
70.
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.
9.
Turn
on
the
computer
and
all
attached
devices.
10.
Use
the
IBM
Setup
Utility
program
to
set
the
date
and
time
and
any
passwords.
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
Access
IBM.
Note:
Some
computer
models
might
have
a
POV
daughter
card
installed
on
the
system
board.
If
this
is
the
case,
the
password
is
stored
in
an
EEPROM
on
the
POV
card
and
can
not
be
erased.
See
“Identifying
parts
on
the
system
board”
on
page
57
for
the
location
of
the
POV
daughter
card.
Chapter
3.
Types
8196
and
8197
69