Lenovo ThinkPad L430 Hardware Maintenance Manual - Page 3

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Contents About this manual iii Chapter 1. Safety information 1 General safety 1 Electrical safety 2 Safety inspection guide 3 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations 4 Laser compliance statement (multilingual translations 19 Chapter 2. Important service information 27 Strategy for replacing FRUs 27 Strategy for replacing a hard disk drive . . . 28 Important notice for replacing a system board 28 How to use error message 28 Strategy for replacing FRUs for CTO, CMV, and GAV 28 Product definition 28 FRU identification for CTO, CMV, and GAV products 29 Chapter 3. General checkout . . . . . 31 What to do first 31 Checkout guide 32 Lenovo Solution Center 32 Quick test programs 32 UEFI diagnostic program 33 Bootable diagnostic programs 33 Power system checkout 34 Checking the ac power adapter 34 Checking operational charging 35 Checking the battery pack 35 Checking the backup battery 36 Chapter 4. Related service information 37 Restoring the factory contents by using Recovery Disc Set 37 Passwords 38 Power-on password 38 Hard-disk password 38 Supervisor password 39 How to remove the power-on password . . . 39 © Copyright Lenovo 2012 How to remove the hard-disk password . . . 39 Power management 40 Screen blank mode 40 Sleep mode 40 Hibernation mode 41 Symptom-to-FRU index 41 Numeric error codes 42 Error messages 42 No-beep symptoms 43 Beep errors 43 LCD-related symptoms 44 Intermittent problems 44 Undetermined problems 44 Chapter 5. Status indicators . . . . . 47 Chapter 6. Fn key combinations . . . 49 Chapter 7. Locations 51 Locating computer controls, connectors, and indicators 51 Front view 51 Rear view 52 Bottom view 52 Locating FRUs and CRUs 52 Major FRUs and CRUs 54 LCD FRUs and CRUs 56 Looking up FRU information 57 Chapter 8. FRU replacement notices 59 Screw notices 59 Retaining serial numbers 60 Restoring the serial number of the system unit 60 Retaining the UUID 61 Reading or writing the ECA information . . . 61 Chapter 9. Removing or replacing a FRU 63 Before servicing the computer 64 1010 Battery pack 64 1020 Bottom door 65 1030 Optical drive 66 1040 Hard disk drive or solid-state drive assembly 68 1050 Keyboard 69 1060 Memory module 72 i

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Contents
About this manual
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iii
Chapter 1. Safety information
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1
General safety
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1
Electrical safety
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2
Safety inspection guide
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3
Handling devices that are sensitive to electrostatic
discharge
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3
Grounding requirements
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4
Safety notices (multilingual translations)
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4
Laser compliance statement (multilingual
translations)
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19
Chapter 2. Important service
information
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27
Strategy for replacing FRUs
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27
Strategy for replacing a hard disk drive
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28
Important notice for replacing a system
board
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28
How to use error message
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28
Strategy for replacing FRUs for CTO, CMV, and
GAV
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28
Product definition
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28
FRU identification for CTO, CMV, and GAV
products
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29
Chapter 3. General checkout
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31
What to do first
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31
Checkout guide
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32
Lenovo Solution Center
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32
Quick test programs
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32
UEFI diagnostic program
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33
Bootable diagnostic programs
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Power system checkout
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34
Checking the ac power adapter
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34
Checking operational charging
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35
Checking the battery pack
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35
Checking the backup battery
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36
Chapter 4. Related service
information
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37
Restoring the factory contents by using Recovery
Disc Set
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37
Passwords
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38
Power-on password
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38
Hard-disk password
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38
Supervisor password
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39
How to remove the power-on password .
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How to remove the hard-disk password .
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39
Power management
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40
Screen blank mode
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Sleep mode
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Hibernation mode
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41
Symptom-to-FRU index
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41
Numeric error codes
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42
Error messages
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42
No-beep symptoms
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43
Beep errors
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43
LCD-related symptoms
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44
Intermittent problems
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44
Undetermined problems
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44
Chapter 5. Status indicators
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47
Chapter 6. Fn key combinations
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49
Chapter 7. Locations
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51
Locating computer controls, connectors, and
indicators
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51
Front view
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51
Rear view
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52
Bottom view
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52
Locating FRUs and CRUs
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52
Major FRUs and CRUs
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54
LCD FRUs and CRUs
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56
Looking up FRU information
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57
Chapter 8. FRU replacement
notices
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59
Screw notices
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59
Retaining serial numbers
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60
Restoring the serial number of the system
unit
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60
Retaining the UUID
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61
Reading or writing the ECA information .
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61
Chapter 9. Removing or replacing a
FRU
..................
63
Before servicing the computer
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64
1010 Battery pack
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64
1020 Bottom door
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65
1030 Optical drive
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66
1040 Hard disk drive or solid-state drive
assembly
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68
1050 Keyboard
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69
1060 Memory module
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72
© Copyright Lenovo 2012
i