Lenovo ThinkPad X131e 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, a solid-state drive, or an mSATA solid-state 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 Lenovo Solution Center 24 Quick test programs 24 UEFI diagnostic program 25 Bootable diagnostic programs 25 Power system checkout 26 Checking the ac power adapter 26 Checking operational charging 27 Checking the battery pack 27 Checking the backup battery 28 Chapter 4. Related service information 29 Restoring the factory contents by using Recovery Disc Set 29 Passwords 30 Power-on password 30 Hard disk password 30 Supervisor password 31 How to remove the power-on password . . . 31 How to remove the hard-disk password . . . 31 © Copyright Lenovo 2012 Power management 32 Screen blank mode 32 Sleep mode 32 Hibernation mode 32 Symptom-to-FRU index 33 Numeric error codes 34 Error messages 35 Beep symptoms 35 No-beep symptoms 35 LCD-related symptoms 36 Intermittent problems 36 Undetermined problems 36 Chapter 5. Status indicators . . . . . 39 Chapter 6. Fn key combinations . . . 41 Chapter 7. Locations 43 Locating computer controls, connectors, and indicators 43 Front view 43 Rear view 44 Bottom view 44 Locating FRUs and CRUs 44 Major FRUs and CRUs 46 LCD FRUs and CRUs 48 Looking up FRU information 49 Chapter 8. FRU replacement notices 51 Screw notices 51 Retaining serial numbers 52 Restoring the serial number of the system unit 52 Retaining the UUID 53 Reading or writing the ECA information . . . 53 Chapter 9. Removing or replacing a FRU 55 General guidelines 55 Removing the SIM card 56 1010 Battery pack 56 1020 Bottom slot cover 57 1030 Memory modules 58 1040 Hard disk drive or solid-state drive assembly 59 1050 PCI Express Mini Card for wireless LAN . . 60 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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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
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, a
solid-state drive, or an mSATA solid-state
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
Lenovo Solution Center
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24
Quick test programs
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24
UEFI diagnostic program
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25
Bootable diagnostic programs
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25
Power system checkout
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26
Checking the ac power adapter
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26
Checking operational charging
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27
Checking the battery pack
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27
Checking the backup battery
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28
Chapter 4. Related service
information
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29
Restoring the factory contents by using Recovery
Disc Set
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29
Passwords
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30
Power-on password
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30
Hard disk password
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30
Supervisor password
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31
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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32
Screen blank mode
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Sleep mode
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Hibernation mode
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32
Symptom-to-FRU index
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33
Numeric error codes
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Error messages
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Beep symptoms
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No-beep symptoms
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35
LCD-related symptoms
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36
Intermittent problems
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36
Undetermined problems
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36
Chapter 5. Status indicators
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39
Chapter 6. Fn key combinations
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41
Chapter 7. Locations
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43
Locating computer controls, connectors, and
indicators
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43
Front view
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43
Rear view
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44
Bottom view
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44
Locating FRUs and CRUs
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44
Major FRUs and CRUs
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.
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46
LCD FRUs and CRUs
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48
Looking up FRU information
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49
Chapter 8. FRU replacement
notices
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51
Screw notices
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51
Retaining serial numbers
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52
Restoring the serial number of the system
unit
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52
Retaining the UUID
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53
Reading or writing the ECA information .
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53
Chapter 9. Removing or replacing a
FRU
..................
55
General guidelines
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55
Removing the SIM card
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56
1010 Battery pack
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56
1020 Bottom slot cover
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57
1030 Memory modules
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58
1040 Hard disk drive or solid-state drive
assembly
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59
1050 PCI Express Mini Card for wireless LAN
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60
© Copyright Lenovo 2012
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