Lenovo ThinkPad Edge E520 Hardware Maintenance Manual - Page 3

Contents, Related service - replacement keys

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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 System supporting the Lenovo ThinkVantage Toolbox program and the PC-Doctor for DOS diagnostics program 32 System supporting the Lenovo diagnostics programs 36 Power system checkout 38 Checking the ac power adapter 38 Checking operational charging 39 Checking the battery pack 39 Checking the backup battery 40 Chapter 4. Related service information 41 Restoring the factory contents by using Recovery Disc Set 41 Passwords 42 Power-on password 42 Hard-disk password 42 Supervisor password 43 How to remove the power-on password . . . 43 © Copyright Lenovo 2012 How to remove the hard-disk password . . . 43 Power management 44 Screen blank mode 44 Sleep (standby) mode 44 Hibernation mode 45 Symptom-to-FRU index 45 Numeric error codes 46 Error messages 46 No-beep symptoms 46 LCD-related symptoms 47 Intermittent problems 47 Undetermined problems 47 Chapter 5. Status indicators . . . . . 49 Chapter 6. Special keys 51 Chapter 7. FRU replacement notices 53 Screw notices 53 Retaining serial numbers 54 Restoring the serial number of the system unit 54 Retaining the UUID 55 Reading or writing the ECA information . . . 55 Chapter 8. Removing and replacing a FRU 57 Before servicing ThinkPad Edge E520 models . . 57 1010 Battery pack 58 1020 ExpressCard blank bezel 59 1030 Optical drive or travel cover 60 1040 Bottom slot cover 61 1050 Memory modules 62 1060 Hard disk drive assembly 63 1070 PCI Express Mini Card for wireless LAN . . 64 1080 PCI Express Mini Card for wireless WAN for ThinkPad Edge E520 models 66 1080 mSATA solid state drive for ThinkPad Edge E520 models 67 1090 Backup battery 68 1110 Keyboard 69 1120 Top case assembly 71 1130 Bluetooth daughter card 74 1140 Express sub card 75 1150 Speaker assembly 76 1160 System board assembly and fan assembly . 77 1170 CPU 84 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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Grounding requirements
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Safety notices (multilingual translations)
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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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Strategy for replacing a hard disk drive
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Important notice for replacing a system
board
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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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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
System supporting the Lenovo ThinkVantage
Toolbox program and the PC-Doctor for DOS
diagnostics program
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32
System supporting the Lenovo diagnostics
programs
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36
Power system checkout
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38
Checking the ac power adapter
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38
Checking operational charging
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39
Checking the battery pack
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39
Checking the backup battery
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40
Chapter 4. Related service
information
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41
Restoring the factory contents by using Recovery
Disc Set
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41
Passwords
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42
Power-on password
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Hard-disk password
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42
Supervisor password
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43
How to remove the power-on password .
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How to remove the hard-disk password .
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43
Power management
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Screen blank mode
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Sleep (standby) mode
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Hibernation mode
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45
Symptom-to-FRU index
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45
Numeric error codes
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46
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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47
Chapter 5. Status indicators
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49
Chapter 6. Special keys
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51
Chapter 7. FRU replacement
notices
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53
Screw notices
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53
Retaining serial numbers
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54
Restoring the serial number of the system
unit
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54
Retaining the UUID
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55
Reading or writing the ECA information .
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55
Chapter 8. Removing and replacing a
FRU
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57
Before servicing ThinkPad Edge E520 models
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57
1010 Battery pack
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58
1020 ExpressCard blank bezel
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59
1030 Optical drive or travel cover
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1040 Bottom slot cover
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1050 Memory modules
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1060 Hard disk drive assembly
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63
1070 PCI Express Mini Card for wireless LAN
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64
1080 PCI Express Mini Card for wireless WAN for
ThinkPad Edge E520 models
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66
1080 mSATA solid state drive for ThinkPad Edge
E520 models
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67
1090 Backup battery
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1110 Keyboard
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1120 Top case assembly
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71
1130 Bluetooth daughter card
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1140 Express sub card
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1150 Speaker assembly
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1160 System board assembly and fan assembly
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77
1170 CPU
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84
© Copyright Lenovo 2012
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