Lenovo ThinkCentre M50 User Manual - Page 60

replacement

Get Lenovo ThinkCentre M50 PDF manuals and user guides View all Lenovo ThinkCentre M50 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 60 highlights

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. Remove the cover. See "Removing the cover" on page 31. 3. Locate the battery. See "Identifying parts on the system board" on page 32. 4. If necessary, remove any adapters that impede access to the battery. See "Installing adapters" on page 34 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 34 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 45. 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. See Chapter 5, "Using the IBM Setup Utility program," on page 99. Erasing a lost or forgotten password (clearing CMOS) This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, see Access IBM on your desktop. 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 32 for the location of the POV daughter card. To erase a forgotten password: 1. Turn off the computer and all attached devices. 2. Remove the cover. See "Removing the cover" on page 31. 3. Locate the Clear CMOS/Recovery jumper on the system board. See "Identifying parts on the system board" on page 32. 4. If necessary, see "Installing adapters" on page 34 to remove any adapters that impede access to the Clear CMOS/Recovery jumper. 44 User Guide

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
  • 103
  • 104
  • 105
  • 106
  • 107
  • 108
  • 109
  • 110
  • 111
  • 112
  • 113
  • 114
  • 115
  • 116
  • 117
  • 118
  • 119
  • 120
  • 121
  • 122
  • 123
  • 124
  • 125
  • 126
  • 127
  • 128
  • 129
  • 130
  • 131
  • 132
  • 133
  • 134
  • 135
  • 136
  • 137
  • 138
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.
Remove
the
cover.
See
“Removing
the
cover”
on
page
31.
3.
Locate
the
battery.
See
“Identifying
parts
on
the
system
board”
on
page
32.
4.
If
necessary,
remove
any
adapters
that
impede
access
to
the
battery.
See
“Installing
adapters”
on
page
34
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
34
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
45.
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.
See
Chapter
5,
“Using
the
IBM
Setup
Utility
program,”
on
page
99.
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
This
section
applies
to
lost
or
forgotten
passwords.
For
more
information
about
lost
or
forgotten
passwords,
see
Access
IBM
on
your
desktop.
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
32
for
the
location
of
the
POV
daughter
card.
To
erase
a
forgotten
password:
1.
Turn
off
the
computer
and
all
attached
devices.
2.
Remove
the
cover.
See
“Removing
the
cover”
on
page
31.
3.
Locate
the
Clear
CMOS/Recovery
jumper
on
the
system
board.
See
“Identifying
parts
on
the
system
board”
on
page
32.
4.
If
necessary,
see
“Installing
adapters”
on
page
34
to
remove
any
adapters
that
impede
access
to
the
Clear
CMOS/Recovery
jumper.
44
User
Guide