Lenovo 2808C5U, Hardware Maintenance Manual

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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 . . . . . . . 52
Checking the battery pack . . . . . . . . 52
Checking the backup battery . . . . . . . 53
Related service information . . . . . . 55
Restoring the factory contents by using Product
Recovery discs .
. . . . . . . . . . . . 55
Restoring the factory contents by using Recovery
Disc Set
. . . . . . . . . . . . . . . 56
Passwords . . . . . . . . . . . . . . . 57
Power-on password . . . . . . . . . . 57
Hard-disk password . . . . . . . . . . 57
Supervisor password . . . . . . . . . . 58
How to remove the power-on password . . . . 58
How to remove the hard-disk password . . . . 59
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 . . . . . . . . . . . . 66
Beep symptoms . . . . . . . . . . . . 67
No-beep symptoms . . . . . . . . . . . 67
LCD-related symptoms . . . . . . . . . 68
Intermittent problems . . . . . . . . . . 69
Undetermined problems . . . . . . . . . 69
Status indicators . . . . . . . . . . 71
Fn key combinations . . . . . . . . 75
FRU replacement notices . . . . . . . 79
Screw notices . . . . . . . . . . . . . . 79
Retaining serial numbers . . . . . . . . . . 80
Restoring the serial number of the system unit 80
Retaining the UUID . . . . . . . . . . 80
Reading or writing the ECA information . . . 81
Removing and replacing a FRU . . . . 83
Before servicing ThinkPad T400s, T410s, and T410si 84
1010 Battery pack . . . . . . . . . . . . 85
1020 Serial Ultrabay Slim device or travel bezel . . 86
1030 Solid state drive (SSD) or hard disk drive
(HDD) .
. . . . . . . . . . . . . . . 87
1040 DIMM . . . . . . . . . . . . . . 89
1050 PCI Express Mini Card for wireless LAN . . . 92
1060 PCI Express Mini Card for wireless WAN . . 95
1070 Keyboard . . . . . . . . . . . . . 98
1080 Backup battery . . . . . . . . . . . 103
1090 Wireless USB adapter or Intel Turbo Memory 104
1100 Palm rest or palm rest with fingerprint reader 106
1110
Bluetooth daughter card (BDC-2) . . . . . 108
1120 Keyboard bezel and speaker assembly . . . 109
1130 5-in-1 Media Card Reader adapter. . . . . 113
1140 Bluetooth –wireless radio switch FPC . . . . 114
1150 LCD unit . . . . . . . . . . . . . 116
1160 System board, fan assembly, and 34-mm
ExpressCard slot frame .
. . . . . . . . . 120
1170 I/O sub card and base cover assembly . . . 128
2010 LCD bezel assembly . . . . . . . . . 130
2020 LCD latch L and R . . . . . . . . . . 132
2030 Integrated camera or microphone sub card 133
2040 LED sub card . . . . . . . . . . . 135
2050 LCD panel . . . . . . . . . . . . 137
2060 LCD cable. . . . . . . . . . . . . 140
2070 Hinge kit . . . . . . . . . . . . . 141
2080 LED cable . . . . . . . . . . . . . 143
2090 Antenna kit and LCD rear cover assembly 145
Locations . . . . . . . . . . . . . 147
Front view . . . . . . . . . . . . . . 147
Rear view . . . . . . . . . . . . . . 148
Bottom view. . . . . . . . . . . . . . 149
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