Lenovo 019624U Hardware Maintenance Manual - Page 3

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Contents About this manual iii Chapter 1. Safety information 1 General safety 1 Electrical safety 1 Safety inspection guide 3 Handling devices that are sensitive to electrostatic discharge 3 Grounding requirements 4 Safety notices (multilingual translations 4 Chapter 2. Important service information 19 Strategy for replacing FRUs 19 Strategy for replacing a hard disk drive . . . 20 Important notice for replacing a system board 20 How to use error message 20 Strategy for replacing FRUs for CTO, CMV, and GAV 20 Product definition 20 FRU identification for CTO, CMV, and GAV products 21 Chapter 3. General checkout . . . . . 23 What to do first 23 Checkout guide 24 Diagnostics using PC-Doctor for DOS. . . . 24 Lenovo Solution Center 27 Quick test programs 27 UEFI diagnostic program 27 Bootable diagnostic programs 28 Lenovo ThinkVantage Toolbox 29 FRU tests 29 Power system checkout 30 Checking the AC adapter 30 Checking operational charging 31 Checking the battery pack 31 Checking the backup battery 32 Chapter 4. Related service information 33 Restoring the factory contents by using Recovery Disc Set 33 Passwords 34 Power-on password 34 Hard-disk password 34 Supervisor password 35 © Copyright Lenovo 2009, 2013 How to remove the power-on password . . . 35 How to remove the hard-disk password . . . 35 Power management 36 Screen blank mode 36 Sleep mode 36 Hibernation mode 36 Symptom-to-FRU index 37 Numeric error codes 37 Error messages 39 No-beep symptoms 39 LCD-related symptoms 40 Intermittent problems 40 Undetermined problems 41 Chapter 5. Status indicators . . . . . 43 Chapter 6. Special keys 45 Chapter 7. FRU replacement notices 47 Screw notices 47 Retaining serial numbers 48 Restoring the serial number of the system unit 48 Retaining the UUID 49 Reading or writing the ECA information . . . 49 Chapter 8. Removing and replacing a FRU 51 1010 Battery pack 52 1020 Bottom slot cover 52 1030 DIMM 54 1040 Hard disk drive (HDD 55 1050 PCI Express Mini Card for wireless LAN . . 56 1060 PCI Express Mini Card for wireless WAN . . 57 1070 Keyboard 59 1080 Top case assembly and microphone module 61 1090 Backup battery 64 1100 Bluetooth daughter card (BDC-2) . . . . . 65 1110 Speaker assembly 66 1120 System board and fan assembly . . . . . 68 1130 I/O card assembly, audio cable, and I/O cable 75 1140 LCD unit 77 1150 Base cover assembly and DC-in cable . . . 80 2010 LCD bezel assembly 82 2020 Integrated camera 83 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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1
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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Safety notices (multilingual translations)
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4
Chapter 2. Important service
information
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19
Strategy for replacing FRUs
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19
Strategy for replacing a hard disk drive
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20
Important notice for replacing a system
board
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20
How to use error message
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20
Strategy for replacing FRUs for CTO, CMV, and
GAV
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20
Product definition
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20
FRU identification for CTO, CMV, and GAV
products
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21
Chapter 3. General checkout
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23
What to do first
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23
Checkout guide
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24
Diagnostics using PC-Doctor for DOS
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24
Lenovo Solution Center
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27
Quick test programs
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27
UEFI diagnostic program
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27
Bootable diagnostic programs
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Lenovo ThinkVantage Toolbox
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FRU tests
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Power system checkout
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30
Checking the AC adapter
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30
Checking operational charging
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31
Checking the battery pack
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31
Checking the backup battery
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32
Chapter 4. Related service
information
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33
Restoring the factory contents by using Recovery
Disc Set
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33
Passwords
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34
Power-on password
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34
Hard-disk password
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34
Supervisor password
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35
How to remove the power-on password .
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How to remove the hard-disk password .
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Power management
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36
Screen blank mode
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Sleep mode
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Hibernation mode
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36
Symptom-to-FRU index
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37
Numeric error codes
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Error messages
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39
No-beep symptoms
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39
LCD-related symptoms
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40
Intermittent problems
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40
Undetermined problems
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41
Chapter 5. Status indicators
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43
Chapter 6. Special keys
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45
Chapter 7. FRU replacement
notices
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47
Screw notices
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47
Retaining serial numbers
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48
Restoring the serial number of the system
unit
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48
Retaining the UUID
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49
Reading or writing the ECA information .
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49
Chapter 8. Removing and replacing a
FRU
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51
1010 Battery pack
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52
1020 Bottom slot cover
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52
1030 DIMM
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54
1040 Hard disk drive (HDD)
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55
1050 PCI Express Mini Card for wireless LAN
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56
1060 PCI Express Mini Card for wireless WAN .
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57
1070 Keyboard
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59
1080 Top case assembly and microphone
module
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61
1090 Backup battery
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64
1100
Bluetooth
daughter card (BDC-2)
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65
1110 Speaker assembly
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66
1120 System board and fan assembly
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68
1130 I/O card assembly, audio cable, and I/O
cable
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1140 LCD unit
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1150 Base cover assembly and DC-in cable .
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80
2010 LCD bezel assembly
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82
2020 Integrated camera
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83
© Copyright Lenovo 2009, 2013
i