Contents
About this manual | . v | . | 66 | ||||
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Safety information | . | 1 | Intermittent problems | . | 68 | ||
General safety | . | 2 | Undetermined problems | . | 68 | ||
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Electrical safety | . | 3 | Specifications | . 69 | |||
Safety inspection guide | . | 5 | |||||
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Handling devices that are sensitive to electrostatic |
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| Status indicators | . | 71 | ||
discharge | . | 6 | |||||
Grounding requirements | . | 6 |
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Safety notices (multilingual translations) . . . . | . | 7 | Fn key combinations | . | 75 | ||
Laser compliance statement (multilingual |
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translations) | . | 28 | FRU replacement notices | . | 77 | ||
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Important service information | 39 | Screw notices | . | 77 | |||
Retaining serial numbers | . | 78 | |||||
Strategy for replacing FRUs | . | 39 | |||||
Restoring the serial number of the system unit |
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Strategy for replacing a hard disk drive . . . . | 40 |
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Retaining the UUID | . | 78 | |||||
Important notice for replacing a system board . . 40 | |||||||
Reading or writing the ECA information . . | . 79 | ||||||
How to use error message | . | 40 | |||||
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Strategy for replacing FRUs for CTO, CMV, and |
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| Removing and replacing a FRU . . . | . 81 | |||
GAV | . | 41 | |||||
Before servicing ThinkPad T400s | . | 82 | |||||
Product definition | . | 41 | |||||
1010 | Battery pack | . | 83 | ||||
FRU identification for CTO, CMV, and GAV |
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| 1020 | Ultrabay Slim Media Bay device or travel bezel | 84 | |||
products | . | 41 | |||||
1030 | Solid state drive (SSD) or hard disk drive |
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General checkout . . . . . . . . . . 43 | (HDD) | . 85 | |||||
1040 | DIMM | . | 87 | ||||
What to do first | . | 44 | |||||
1050 | PCI Express Mini Card for wireless LAN . . | . 89 | |||||
Checkout guide | . | 45 | |||||
1060 | PCI Express Mini Card for wireless WAN . | . 92 | |||||
Diagnostics using | . 45 | ||||||
1070 | Keyboard | . | 95 | ||||
Lenovo System Toolbox | . | 48 | |||||
1080 | Backup battery | . | 100 | ||||
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1090 | Wireless USB adapter or Intel Turbo Memory |
| 101 | ||||
FRU tests | . | 48 |
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1100 Palm rest or palm rest with fingerprint reader | 103 | ||||||
Power system checkout | . | 51 | |||||
1110 Bluetooth daughter card | . 105 | ||||||
Checking the AC adapter | . | 51 | |||||
1120 Keyboard bezel and speaker assembly . . | . 106 | ||||||
Checking operational charging | . | 52 | |||||
1130 | . 110 | ||||||
Checking the battery pack | . | 52 | |||||
1140 | . 111 | ||||||
Checking the backup battery | . | 53 | |||||
1150 LCD unit | . | 113 | |||||
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Related service information | 55 | 1160 System board, fan assembly, and |
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ExpressCard slot frame | . | 117 | |||||
Restoring the factory contents by using Product |
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| 1170 I/O sub card and base cover assembly . . | . 123 | |||
Recovery discs | . | 55 | 2010 | LCD bezel assembly | . | 125 | |
Passwords | . | 56 | 2020 | LCD latch L and R | . | 127 | |
. 56 | 2030 | Integrated camera or microphone sub card |
| 128 | |||
. | 56 | 2040 | LED sub card | . | 130 | ||
Supervisor password | . | 56 | 2050 | LCD panel | . | 131 | |
How to remove the | . 57 | 2060 | LCD cable | . 134 | |||
How to remove the | . | 57 | 2070 | Hinge kit | . | 135 | |
Power management | . | 59 | 2080 | LED cable | . | 137 | |
Screen blank mode | . 59 | 2090 Antenna kit and LCD rear cover assembly |
| 139 | |||
Standby mode | . | 59 |
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Hibernation mode | . | 60 | Locations | 141 | |||
. | 61 | Front view | . | 141 | |||
Numeric error codes | . | 61 | |||||
Rear view | . | 142 | |||||
Error messages | . | 65 | |||||
Bottom view | . | 143 | |||||
Beep symptoms | . | 66 | |||||
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© Copyright Lenovo 2009 | iii |
