Lenovo 2847DJU User Manual - Page 5

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Contents About this manual v Safety information 1 General safety 2 Electrical safety 3 Safety inspection guide 5 Handling devices that are sensitive to electrostatic discharge 6 Grounding requirements 6 Safety notices (multilingual translations) . . . . . 7 Laser compliance statement (multilingual translations 28 Important service information . . . . . 39 Strategy for replacing FRUs 39 Strategy for replacing a hard disk drive . . . . 40 Important notice for replacing a system board . . 40 How to use error message 40 Strategy for replacing FRUs for CTO, CMV, and GAV 41 Product definition 41 FRU identification for CTO, CMV, and GAV products 41 General checkout 43 What to do first 44 Checkout guide 45 Diagnostics using PC-Doctor for DOS . . . . 45 Lenovo ThinkVantage Toolbox (Lenovo System Toolbox 48 PC-Doctor for Rescue and Recovery . . . . . 48 FRU tests 49 Power system checkout 51 Checking the ac adapter 51 Checking operational charging 51 Checking the battery pack 52 Checking the backup battery 52 Related service information 55 Restoring the factory contents by using Recovery Disc Set 55 Passwords 56 Power-on password 57 Hard-disk password 57 Supervisor password 57 How to remove the power-on password . . . . 57 How to remove the hard-disk password . . . . 58 Power management 60 Screen blank mode 60 Sleep (standby) mode 60 Hibernation mode 61 Symptom-to-FRU index 62 Numeric error codes 62 Error messages 65 © Copyright Lenovo 2009, 2010 No-beep symptoms 65 LCD-related symptoms 66 Intermittent problems 67 Undetermined problems 67 Status indicators 69 Fn key combinations 71 FRU replacement notices 75 Screw notices 75 Retaining serial numbers 76 Restoring the serial number of the system unit 76 Retaining the UUID 76 Reading or writing the ECA information . . . 77 Removing and replacing a FRU . . . . 79 1010 Battery pack 80 1020 ExpressCard blank bezel and Media Card blank bezel 82 1030 Optical drive or travel cover 84 1040 Thermal cover 85 1050 Hard disk drive (HDD) assembly . . . . . 86 1060 DIMM 88 1070 Fan assembly 89 1080 CPU 93 1090 SIM slot cover 94 1100 Wireless WAN slot cover and PCI Express Mini Card for wireless WAN 96 1110 Palm rest assembly with cables 98 1120 PCI Express Mini Card for wireless LAN . . 101 1130 Backup battery 103 1140 Bluetooth daughter card (BDC-2) . . . . . 104 1150 Media Card Reader slot board and Media Card Reader cable assembly 105 1160 Keyboard 107 1170 Keyboard bezel 110 1180 LCD unit 112 1190 Top shielding assembly 117 1200 System board assembly 121 1210 USB connector board and USB cable assembly 129 1220 DC-in cable and base cover 131 2010 LCD front bezel 136 2020 Speaker assembly 137 2030 Integrated camera 138 2040 Antenna assembly 139 2050 Hinges, LCD panel, LCD cable, and LCD rear cover assembly 141 Locations 145 Front view 145 Rear view 146 Bottom view 146 iii

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Contents
About this manual
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v
Safety information
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1
General safety
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2
Electrical safety
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3
Safety inspection guide
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5
Handling devices that are sensitive to electrostatic
discharge
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6
Grounding requirements
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6
Safety notices (multilingual translations)
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7
Laser compliance statement (multilingual
translations)
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28
Important service information
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39
Strategy for replacing FRUs
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39
Strategy for replacing a hard disk drive
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40
Important notice for replacing a system board .
. 40
How to use error message
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40
Strategy for replacing FRUs for CTO, CMV, and
GAV
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41
Product definition
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41
FRU identification for CTO, CMV, and GAV
products
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41
General checkout
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43
What to do first
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44
Checkout guide
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45
Diagnostics using PC-Doctor for DOS
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45
Lenovo ThinkVantage Toolbox (Lenovo System
Toolbox)
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48
PC-Doctor for Rescue and Recovery
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48
FRU tests
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49
Power system checkout
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51
Checking the ac adapter
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51
Checking operational charging
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51
Checking the battery pack
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52
Checking the backup battery
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52
Related service information
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55
Restoring the factory contents by using Recovery
Disc Set
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55
Passwords
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56
Power-on password
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Hard-disk password
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Supervisor password
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57
How to remove the power-on password
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How to remove the hard-disk password
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58
Power management
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Screen blank mode
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Sleep (standby) mode
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60
Hibernation mode
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61
Symptom-to-FRU index
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62
Numeric error codes
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Error messages
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65
No-beep symptoms
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LCD-related symptoms
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66
Intermittent problems
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Undetermined problems
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Status indicators
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69
Fn key combinations
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FRU replacement notices
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Screw notices
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Retaining serial numbers
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76
Restoring the serial number of the system unit
76
Retaining the UUID
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76
Reading or writing the ECA information
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. 77
Removing and replacing a FRU
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79
1010 Battery pack
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80
1020 ExpressCard blank bezel and Media Card
blank bezel
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82
1030 Optical drive or travel cover
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84
1040 Thermal cover
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85
1050 Hard disk drive (HDD) assembly
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86
1060 DIMM
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1070 Fan assembly
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1080 CPU
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93
1090 SIM slot cover
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94
1100 Wireless WAN slot cover and PCI Express Mini
Card for wireless WAN
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96
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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103
1140
Bluetooth
daughter card (BDC-2)
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104
1150 Media Card Reader slot board and Media
Card Reader cable assembly
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1160 Keyboard
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107
1170 Keyboard bezel
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110
1180 LCD unit
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1190 Top shielding assembly
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117
1200 System board assembly
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121
1210 USB connector board and USB cable assembly
129
1220 DC-in cable and base cover
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131
2010 LCD front bezel
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136
2020 Speaker assembly
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137
2030 Integrated camera
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138
2040 Antenna assembly
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139
2050 Hinges, LCD panel, LCD cable, and LCD rear
cover assembly
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141
Locations
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145
Front view
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145
Rear view
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146
Bottom view
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146
© Copyright Lenovo 2009, 2010
iii