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Lenovo
3000
N200
Hardware
Maintenance
Manual
May
2007
This
manual
supports:
Lenovo
3000
N200
(MT
0687)
Lenovo
3000
N200
Hardware
Maintenance
Manual
Note
Before
using
this
information
and
the
product
it
supports,
be
sure
to
read
the
general
information
under
on
page
97.
First
Edition
(May
2007)
©
Copyright
Lenovo
2007.
All
rights
reserved.
U.S.
GOVERNMENT
USERS
–
RESTRICTED
RIGHTS:
Our
products
and/or
services
are
provided
with
RESTRICTED
RIGHTS.
Use,
duplication
or
disclosure
by
the
Government
is
subject
to
the
GSA
ADP
Schedule
contract
with
Lenovo,
if
any,
or
the
standard
terms
of
this
commercial
license,
or
if
the
agency
is
unable
to
accept
this
Program
under
these
terms,
then
we
provide
this
Program
under
the
provisions
set
forth
in
Commercial
Computer
Software–Restricted
Rights
at
FAR
52.227-19,
when
applicable,
or
under
Rights
in
Data-General,
FAR
52.227.14
(Alternate
III).
Contents
Introduction
.
.
.
.
.
.
.
.
.
.
.
.
.
LCD-related
symptoms
.
.
.
.
.
.
.
.
.
Intermittent
problems
.
.
.
.
.
.
.
.
.
.
About
this
manual
.
.
.
.
.
.
.
.
.
.
.
.
Undetermined
problems
.
.
.
.
.
.
.
.
.
Important
service
information
.
.
.
.
.
.
.
.
FRU
replacement
notices
.
.
.
.
.
.
.
.
.
.
Strategy
for
replacing
FRUs
.
.
.
.
.
.
.
.
.
Screw
notices
.
.
.
.
.
.
.
.
.
.
.
.
.
Strategy
for
replacing
a
hard
disk
drive
.
.
.
.
Retaining
serial
numbers
.
.
.
.
.
.
.
.
.
Important
notice
for
replacing
a
system
board
.
.
Removing
and
replacing
a
FRU
.
.
.
.
.
.
.
.
How
to
use
error
messages
.
.
.
.
.
.
.
.
1010
Battery
pack
.
.
.
.
.
.
.
.
.
.
.
for
replacing
FRUs
for
Custom
Model
Variant
(CMV)
products
1020
Hard
disk
drive
slot
cover
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
1030
Hard
disk
drive
.
.
.
.
.
.
.
.
.
.
Using
PC
Entitlement
Warehouse
(PEW)
.
.
.
.
1040
DIMM
slot
cover
.
.
.
.
.
.
.
.
.
.
Using
eSupport
.
.
.
.
.
.
.
.
.
.
.
.
1050
DIMM
.
.
.
.
.
.
.
.
.
.
.
.
.
Using
the
HMM
.
.
.
.
.
.
.
.
.
.
.
.
PCI
Express
Mini
Card
for
802.11
a/b/g
wireless
LAN
.
information
about
replacing
RoHS
compliant
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
PCI
Express
Mini
Card
for
802.11
a/b/g/n
wireless
LAN
.
Diskette
compatibility
matrix
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Safety
notices:
multilingual
translations
.
.
.
.
.
1080
Optical
drive
.
.
.
.
.
.
.
.
.
.
.
Safety
information
.
.
.
.
.
.
.
.
.
.
.
.
1090
Heat
sink
assembly
slot
cover
.
.
.
.
.
General
safety
.
.
.
.
.
.
.
.
.
.
.
.
1100
Heat
sink
assembly
.
.
.
.
.
.
.
.
.
Electrical
safety
.
.
.
.
.
.
.
.
.
.
.
.
1110
CPU
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Safety
inspection
guide
.
.
.
.
.
.
.
.
.
1120
Middle
cover
and
function
board
.
.
.
.
devices
that
are
sensitive
to
electrostatic
discharge
.
1130
Keyboard
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Keyboard
bezel
and
fingerprint
reader
card
60
Grounding
requirements
.
.
.
.
.
.
.
.
.
1150
Backup
battery
.
.
.
.
.
.
.
.
.
.
Laser
compliance
statement
.
.
.
.
.
.
.
.
.
1160
Modem
daughter
card
(MDC)
.
.
.
.
.
1170
Bluetooth
daughter
card
(BDC)
.
.
.
.
.
General
descriptions
.
.
.
.
.
.
.
.
.
1180
LCD
unit
.
.
.
.
.
.
.
.
.
.
.
.
Read
this
first
.
.
.
.
.
.
.
.
.
.
.
.
.
System
board,
5-1
Digital
Media
Reader
board,
ExpressCard
slot,
and
base
cover
.
What
to
do
first
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Related
service
information
.
.
.
.
.
.
.
.
.
2010
LCD
front
bezel
.
.
.
.
.
.
.
.
.
.
Service
We b
site
.
.
.
.
.
.
.
.
.
.
.
.
2020
Inverter
card
.
.
.
.
.
.
.
.
.
.
.
the
factory
contents
by
using
Product
Recovery
discs
2030
LCD
panel,
LCD
cable,
and
hinges
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
2040
Camera
and
LCD
rear
cover
assembly
.
.
.
Passwords
.
.
.
.
.
.
.
.
.
.
.
.
.
.
2050
Wireless
LAN
antenna
cables
.
.
.
.
.
.
Power
management
.
.
.
.
.
.
.
.
.
.
Locations
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Checkout
guide
.
.
.
.
.
.
.
.
.
.
.
.
.
Front
view
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Testing
the
computer
.
.
.
.
.
.
.
.
.
.
Rear
view
.
.
.
.
.
.
.
.
.
.
.
.
.
.
system
information
with
PC-Doctor
.
.
Bottom
view
.
.
.
.
.
.
.
.
.
.
.
.
.
Power
system
checkout
.
.
.
.
.
.
.
.
.
Parts
list
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Overall
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Lenovo
3000
N200
.
.
.
.
.
.
.
.
.
.
LCD
FRUs
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Product
overview
.
.
.
.
.
.
.
.
.
.
.
.30
Keyboard
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Specifications
.
.
.
.
.
.
.
.
.
.
.
.
.30
Recovery
discs
.
.
.
.
.
.
.
.
.
.
.
.
Status
indicators
.
.
.
.
.
.
.
.
.
.
.
.
Corel
software
CDs
.
.
.
.
.
.
.
.
.
.
.
FRU
tests
.
.
.
.
.
.
.
.
.
.
.
.
.
.
AC
adapters
.
.
.
.
.
.
.
.
.
.
.
.
.
Fn
key
combinations
.
.
.
.
.
.
.
.
.
.
Miscellaneous
parts
.
.
.
.
.
.
.
.
.
.
.
Symptom-to-FRU
index
.
.
.
.
.
.
.
.
.
.
Common
parts
list
.
.
.
.
.
.
.
.
.
.
.
Numeric
error
codes
.
.
.
.
.
.
.
.
.
.
Notices
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Error
messages
.
.
.
.
.
.
.
.
.
.
.
.
Trademarks
.
.
.
.
.
.
.
.
.
.
.
.
.
.
No-beep
symptoms
.
.
.
.
.
.
.
.
.
.
.
iii
©
Copyright
Lenovo
2007
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