Main
Lenovo 3000 N100 Hardware Maintenance Manual
March 2006 This manual supports: Lenovo 3000 N100 (MT 0689, 0690, 0768)
Page
Page
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Contents
Introduction . . . . . . . . . . . . .1
Copyright Lenovo 2006
General descriptions . . . . . . . . .17
Lenovo 3000 N100 . . . . . . . . . .29
Page
Introduction
About this manual
Copyright Lenovo 2006
servicing FRUs:
Strategy for replacing FRUs
Strategy for replacing a hard disk drive
Always try to run a low-level format before replacing a hard disk drive.
2
Important notice for replacing a system board
How to use error messages
Using PC Entitlement Warehouse (PEW)
Introduction 3
Using eSupport
Using the HMM
Important information about replacing RoHS compliant FRUs
4
Current or original part
Replacement FRU Current or original part
Important service information
Diskette compatibility matrix
Introduction 5
drive
Diskette capacity
Safety notices: multilingual translations
Safety notices
6
Safety notice 3
Introduction 7
Safety notice 4
Safety notices
8
Safety notice 5
Safety notice 6
Introduction 9
Safety notice 7
Safety notice 8
Safety notices
10
Safety information
Introduction
Observe the following rules when working on electrical equipment.
General safety
Electrical safety
Safety information
12
Safety inspection guide
Introduction 13
Handling devices that are sensitive to electrostatic discharge
14
Grounding requirements
Safety information
Laser compliance statement
Introduction 15
CAUTION:
Laser compliance statement
Laser compliance statement
16
General descriptions
Copyright Lenovo 2006
your particular computer.
Read this first
Before you go to the checkout guide, be sure to read this section.
Read this first
18
Related service information
General descriptions 19
Service Web site
Restoring the pre-installed system
Recovery to Factory Contents by using Product Recovery CDs
Passwords
20
How to remove the power-on password
Related service information
How to remove the hard-disk password
the Enter New Password field blank, and press Enter twice.
Power management
22
Screen blank mode
Standby mode
Related service information
Hibernation mode
General descriptions 23
Checkout guide
24
Testing the computer
Creating the PC-Doctor diagnostics diskette
Checkout guide
The options on the test menu are as follows:
Detecting system information with PC-Doctor
PC-Doctor can detect the following system information:
26
Hardware Info
Utility
Checking operational charging
Checking the battery pack
6(-) 5 4 1(+)2(+)
7(-)
3
Checkout guide
28
Lenovo 3000 N100
Copyright Lenovo 2006
Product overview
30
(continued)
Processor v Intel
Specifications
v Windows XP Professional v Windows XP Home Edition
Status indicators
The system status indicators show the status of the computer, as follows:
32
(continued)
R
FRU tests
The following table shows the test for each FRU.
Fn key combinations
34
Product overview
Symptom-to-FRU index
Lenovo 3000 N100 35
Numeric error codes
0200 Failure Fixed Disk
1. Keyboard. 2. System board. 0220 Monitor type does not match CMOSRun SETUP
Symptom-to-FRU index
36
Error messages
Lenovo 3000 N100 37
Device Error. 1. The device you want to boot from.
Beep symptoms
No-beep symptoms
38
Symptom-to-FRU index
LCD-related symptoms
Lenovo 3000 N100 39
No beep, power-on indicator on, and a blank LCD during POST.
LCD assembly.
Intermittent problems
40
Undetermined problems
Symptom-to-FRU index
FRU replacement notices
Lenovo 3000 N100 41
(Cross-section)
Screw notices
90degrees more
Restoring the serial number of the system unit
42
Retaining the UUID
Reading or writing the ECA information
FRU replacement notices
Lenovo 3000 N100 43
Removing and replacing a FRU
44
Removing and replacing a FRU
1010 Battery pack
Lenovo 3000 N100 45
1020 Hard disk drive slot cover
For access, remove this FRU:
46
1 M2.5 4 mm, flat-head, nylon-coated (2) Silver 0.392 Nm
1030 Hard disk drive
1040 PCI Express Mini Card for wireless LAN
For access, remove these FRUs in order: v 1010 Battery pack on page 45
Lenovo 3000 N100 47
1 M2 4 mm, flat-head, nylon-coated (2) Black 0.245 Nm
1050 DIMM slot cover
For access, remove this FRU:
48
1060 DIMM
Removing and replacing a FRU
1070 Optical drive
Lenovo 3000 N100 49
For MT0768
1080 Thermal module slot cover and fan
For access, remove this FRU:
50
1 M2.5 4 mm, flat-head, nylon-coated (2) Silver 0.392 Nm
3 M2.5 4 mm, flat-head, nylon-coated (3) Silver 0.392 Nm
1090 Thermal module
1 CPU thermal screw, nylon-coated (4) Silver 0.392 Nm
Lenovo 3000 N100 51
Removing and replacing a FRU
52
1100 CPU
Lenovo 3000 N100 53
b
1110 Cover, strip (E cover)
Removing and replacing a FRU
54
1120 Keyboard
For access, remove these FRUs in order: v 1010 Battery pack on page 45
Lenovo 3000 N100 55
1 M2.5 3 mm, flat-head, nylon-coated (2) Black 0.392 Nm
In step 2 , unlatch the keyboard.
Removing and replacing a FRU
56
1130 Function board
1 M2.5 3 mm, flat-head, nylon-coated (2) Black 0.392 Nm
Lenovo 3000 N100 57
1140 LCD unit
1 M2.5 13 mm, flat-head, nylon-coated (2) Black 0.392 Nm
58
Removing and replacing a FRU
When installing: Make sure that the connectors 4, 5, and 6 are attached firmly. (continued)
Lenovo 3000 N100 59
60
1150 Top cover assembly (C cover) with speakers and Bluetooth daughter card (BDC)
1 M2.5 6 mm, flat-head, nylon-coated (1) Black 0.392 Nm
Lenovo 3000 N100 61
For MT 0689, 0690 Note: Steps 2a and 3a are only for MT 0689 and 0690.
2a2a
Removing and replacing a FRU
62
For MT 0768 Note: Steps 2b and 3b are only for MT 0768.
2b 2b
Lenovo 3000 N100 63
(continued)
2b 2b
Removing and replacing a FRU
64
1 M2 4 mm, flat-head, nylon-coated (2) Black 0.245 Nm
Lenovo 3000 N100 65
1160 USB/Audio connector card
Removing and replacing a FRU
66
1170 VGA connector card
1 M2 3 mm, flat-head, nylon-coated (1) Black 0.245 Nm
Lenovo 3000 N100 67
1180 System board, MDC, PC Card slot, and bottom cover assembly (D cover)
68
Note:
When installing: Make sure that the connectors are attached firmly. (continued)
Removing and replacing a FRU
Lenovo 3000 N100 69
To remove the MDC, do as follows:
1 M2.5 3 mm, flat-head, nylon-coated (2) Silver 0.392 Nm
1 M2 4 mm, flat-head, nylon-coated (4) Silver 0.245 Nm
70
2010 LCD front bezel (B cover)
For access, remove this FRU:
Lenovo 3000 N100 71
1a
Note: Screws 1a are only for MT0768.
2020 Inverter card
For access, remove these FRUs in order: v 1010 Battery pack on page 45
72
1 M2.5 5 mm, flat-head, nylon-coated (1) Black 0.392 Nm
When installing: Make sure that connectors 3 and 4 are attached firmly.
2030 LCD panel, LCD cable, and hinges
Lenovo 3000 N100 73
(continued)
Note: Screws 1a are only for MT0689 and MT0690.
Remove the hinges ( a ) from the LCD panel.
Removing and replacing a FRU
74
2040 Camera and LCD rear cover assembly (A cover)
Lenovo 3000 N100 75
1 M2.5 4 mm, flat-head, nylon-coated (2) Black 0.392 Nm
Locations Front view
76
14
13
12
Rear view
Lenovo 3000 N100 77
Bottom view
Locations
Parts list Overall
c
78
b
a
(continued)
No. FRU FRU no. RoHS ID
80
No. FRU FRU no. RoHS ID
Lenovo 3000 N100 81
ID
41W5181 R N CPU assembly, Intel Celeron Core processor 420 (1.6 GHz) (533 MHz)
AC adapters
LCD FRUs
14.1-in. WXGA TFT
82
ID
Parts list
15.4-in. WXGA TFT
ID
Lenovo 3000 N100 83
15.4-in. WSXGA+ TFT
Keyboard
Parts list
84
Recovery CDs
Windows XP Professional
Windows XP Home Edition
Parts list
86
Miscellaneous parts
ID
Lenovo 3000 N100 87
41W5229 R N
41W5230 R N
Common parts list
Tools
88
Parts list
Power cords
For 3-pin power cords:
Notices
90
Notices
Trademarks
Lenovo 3000 N100 91
Notices