Lenovo A50 Personal Computer User Manual


 
Contents
Important
safety
information
.
.
.
.
.
.v
Conditions
that
require
immediate
action
.
.
.
.
.v
General
safety
guidelines
.
.
.
.
.
.
.
.
.
.vi
Service
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.vi
Power
cords
and
power
adapters
.
.
.
.
.
.vi
Extension
cords
and
related
devices
.
.
.
.
. vii
Plugs
and
outlets
.
.
.
.
.
.
.
.
.
.
. vii
Batteries
.
.
.
.
.
.
.
.
.
.
.
.
.
. vii
Heat
and
product
ventilation
.
.
.
.
.
.
. viii
CD
and
DVD
drive
safety
.
.
.
.
.
.
.
. viii
Additional
safety
information
.
.
.
.
.
.
.
.ix
Lithium
battery
notice
.
.
.
.
.
.
.
.
.
.
.x
Modem
safety
information
.
.
.
.
.
.
.
.
.
.x
Laser
compliance
statement
.
.
.
.
.
.
.
.
.xi
Overview
.
.
.
.
.
.
.
.
.
.
.
.
. xiii
Information
resources
.
.
.
.
.
.
.
.
.
.
. xiii
Identifying
your
computer
.
.
.
.
.
.
.
.
. xiv
Chapter
1.
Types
8149,
8177,
and
8178
.1
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.1
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
.4
Available
options
.
.
.
.
.
.
.
.
.
.
.
.
.5
Tools
required
.
.
.
.
.
.
.
.
.
.
.
.
.
.5
Handling
static-sensitive
devices
.
.
.
.
.
.
.
.5
Installing
external
options
.
.
.
.
.
.
.
.
.
.6
Locating
the
connectors
on
the
front
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.6
Locating
the
connectors
on
the
rear
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.7
Obtaining
device
drivers
.
.
.
.
.
.
.
.
.8
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
.
.9
Locating
components
.
.
.
.
.
.
.
.
.
.
.10
Identifying
parts
on
the
system
board
.
.
.
.
.10
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
.11
Installing
adapters
.
.
.
.
.
.
.
.
.
.
.
.12
Installing
internal
drives
.
.
.
.
.
.
.
.
.
.14
Drive
specifications
.
.
.
.
.
.
.
.
.
.
.14
Installing
a
drive
.
.
.
.
.
.
.
.
.
.
.15
Installing
security
features
.
.
.
.
.
.
.
.
.18
Identifying
security
locks
.
.
.
.
.
.
.
.
.19
Rope
clip
.
.
.
.
.
.
.
.
.
.
.
.
.
.19
Integrated
cable
lock
.
.
.
.
.
.
.
.
.
.21
Password
protection
.
.
.
.
.
.
.
.
.
.21
Changing
the
battery
.
.
.
.
.
.
.
.
.
.
.21
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.22
Replacing
the
cover
and
connecting
the
cables
.
.
.23
Chapter
2.
Types
8126,
8174,
8175,
and
8176
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.25
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.25
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
.28
Available
options
.
.
.
.
.
.
.
.
.
.
.
.29
Tools
required
.
.
.
.
.
.
.
.
.
.
.
.
.29
Handling
static-sensitive
devices
.
.
.
.
.
.
.29
Installing
external
options
.
.
.
.
.
.
.
.
.30
Locating
the
connectors
on
the
front
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.31
Locating
the
connectors
on
the
rear
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.32
Obtaining
device
drivers
.
.
.
.
.
.
.
.
.33
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
.34
Locating
components
.
.
.
.
.
.
.
.
.
.
.35
Identifying
parts
on
the
system
board
.
.
.
.
.35
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
.36
Installing
adapters
.
.
.
.
.
.
.
.
.
.
.
.38
Installing
internal
drives
.
.
.
.
.
.
.
.
.
.39
Drive
specifications
.
.
.
.
.
.
.
.
.
.
.40
Installing
a
drive
.
.
.
.
.
.
.
.
.
.
.41
Installing
security
features
.
.
.
.
.
.
.
.
.43
Identifying
security
locks
.
.
.
.
.
.
.
.
.44
Rope
clip
.
.
.
.
.
.
.
.
.
.
.
.
.
.44
Integrated
cable
lock
.
.
.
.
.
.
.
.
.
.46
Password
protection
.
.
.
.
.
.
.
.
.
.46
Changing
the
battery
.
.
.
.
.
.
.
.
.
.
.46
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.47
Replacing
the
cover
and
connecting
the
cables
.
.
.48
Chapter
3.
Types
8084,
8085,
8147,
8148,
and
8179
.
.
.
.
.
.
.
.
.
.
.51
Features
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.51
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.
.54
Available
options
.
.
.
.
.
.
.
.
.
.
.
.55
Tools
required
.
.
.
.
.
.
.
.
.
.
.
.
.55
Handling
static-sensitive
devices
.
.
.
.
.
.
.55
Installing
external
options
.
.
.
.
.
.
.
.
.56
Locating
the
connectors
on
the
front
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.57
Locating
the
connectors
on
the
rear
of
your
computer
.
.
.
.
.
.
.
.
.
.
.
.
.
.58
Obtaining
device
drivers
.
.
.
.
.
.
.
.
.59
Removing
the
cover
.
.
.
.
.
.
.
.
.
.
.60
Locating
components
.
.
.
.
.
.
.
.
.
.
.61
Identifying
parts
on
the
system
board
.
.
.
.
.61
Installing
memory
.
.
.
.
.
.
.
.
.
.
.
.62
Installing
adapters
.
.
.
.
.
.
.
.
.
.
.
.63
Installing
internal
drives
.
.
.
.
.
.
.
.
.
.65
Drive
specifications
.
.
.
.
.
.
.
.
.
.
.65
Installing
a
drive
.
.
.
.
.
.
.
.
.
.
.66
Installing
security
features
.
.
.
.
.
.
.
.
.69
Identifying
security
locks
.
.
.
.
.
.
.
.
.70
Rope
clip
.
.
.
.
.
.
.
.
.
.
.
.
.
.70
Integrated
cable
lock
.
.
.
.
.
.
.
.
.
.72
Password
protection
.
.
.
.
.
.
.
.
.
.72
Changing
the
battery
.
.
.
.
.
.
.
.
.
.
.72
Erasing
a
lost
or
forgotten
password
(clearing
CMOS)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.73
Replacing
the
cover
and
connecting
the
cables
.
.
.74
©
Copyright
IBM
Corp.
2004
iii