Lenovo ThinkPad L512 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 17 Chapter 2. Important service information 23 Strategy for replacing FRUs 23 Strategy for replacing a hard disk drive . . . 24 Important notice for replacing a system board 24 How to use error message 24 Strategy for replacing FRUs for CTO, CMV, and GAV 24 Product definition 24 FRU identification for CTO, CMV, and GAV products 25 Chapter 3. General checkout . . . . . 27 What to do first 27 Checkout guide 28 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program 28 System supporting the Lenovo diagnostics programs 33 Power system checkout 35 Checking the ac adapter 35 Checking operational charging 36 Checking the battery pack 36 Checking the backup battery 37 Chapter 4. Related service information 39 Restoring the factory contents by using Recovery Disc Set 39 Passwords 40 Power-on password 40 Hard-disk password 40 Supervisor password 41 How to remove the power-on password . . . 41 © Copyright Lenovo 2011, 2012 How to remove the hard-disk password . . . 41 Power management 42 Screen blank mode 42 Sleep (standby) mode 42 Hibernation mode 43 Symptom-to-FRU index 44 Numeric error codes 44 Error messages 46 No-beep symptoms 46 LCD-related symptoms 47 Intermittent problems 47 Undetermined problems 48 Chapter 5. Status indicators . . . . . 49 Chapter 6. Fn key combinations . . . 51 Chapter 7. FRU replacement notices 55 Screw notices 55 Retaining serial numbers 56 Restoring the serial number of the system unit 56 Retaining the UUID 57 Reading or writing the ECA information . . . 57 Chapter 8. Removing and replacing a FRU 59 1010 Battery pack 59 1020 ExpressCard blank bezel and Media Card blank bezel 61 1030 Optical drive or travel cover 62 1040 Thermal cover 63 1050 Hard disk drive (HDD) assembly . . . . . 64 1060 DIMM 65 1070 Fan assembly 66 1080 CPU 69 1090 SIM slot cover 70 1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN 72 1110 Palm rest assembly with cables 74 1120 PCI Express Mini Card for wireless LAN . . 76 1130 Backup battery 78 1140 Bluetooth daughter card (BDC-2) . . . . . 78 1150 Media Card Reader slot board and Media Card Reader cable assembly 79 1160 Keyboard 81 1170 Keyboard bezel 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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Electrical safety
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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
Laser compliance statement (multilingual
translations)
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17
Chapter 2. Important service
information
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23
Strategy for replacing FRUs
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23
Strategy for replacing a hard disk drive
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Important notice for replacing a system
board
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24
How to use error message
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24
Strategy for replacing FRUs for CTO, CMV, and
GAV
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24
Product definition
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24
FRU identification for CTO, CMV, and GAV
products
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25
Chapter 3. General checkout
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27
What to do first
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Checkout guide
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28
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program
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28
System supporting the Lenovo diagnostics
programs
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33
Power system checkout
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35
Checking the ac adapter
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35
Checking operational charging
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36
Checking the battery pack
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36
Checking the backup battery
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37
Chapter 4. Related service
information
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39
Restoring the factory contents by using Recovery
Disc Set
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39
Passwords
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40
Power-on password
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Hard-disk password
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Supervisor password
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41
How to remove the power-on password .
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41
How to remove the hard-disk password .
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41
Power management
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42
Screen blank mode
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Sleep (standby) mode
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42
Hibernation mode
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43
Symptom-to-FRU index
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44
Numeric error codes
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44
Error messages
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46
No-beep symptoms
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46
LCD-related symptoms
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47
Intermittent problems
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Undetermined problems
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48
Chapter 5. Status indicators
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49
Chapter 6. Fn key combinations
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51
Chapter 7. FRU replacement
notices
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55
Screw notices
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55
Retaining serial numbers
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56
Restoring the serial number of the system
unit
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56
Retaining the UUID
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57
Reading or writing the ECA information .
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57
Chapter 8. Removing and replacing a
FRU
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59
1010 Battery pack
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59
1020 ExpressCard blank bezel and Media Card
blank bezel
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61
1030 Optical drive or travel cover
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1040 Thermal cover
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63
1050 Hard disk drive (HDD) assembly
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1060 DIMM
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1070 Fan assembly
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1080 CPU
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1090 SIM slot cover
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70
1100 Wireless WAN slot cover and PCI Express
Mini Card for wireless WAN
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1110 Palm rest assembly with cables
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1120 PCI Express Mini Card for wireless LAN
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1130 Backup battery
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78
1140 Bluetooth daughter card (BDC-2)
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78
1150 Media Card Reader slot board and Media
Card Reader cable assembly
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79
1160 Keyboard
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81
1170 Keyboard bezel
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83
© Copyright Lenovo 2011, 2012
i