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ThinkPad X41
Product overview . . . . . . . . . . . .51
Specifications . . . . . . . . . . . .51
Status indicators for X41 . . . . . . . . .53
FRU tests . . . . . . . . . . . . .55
Fn key combinations . . . . . . . . . .57
Symptom-to-FRU index . . . . . . . . . .59
Numeric error codes . . . . . . . . . .59
Error messages . . . . . . . . . . .67
Beep symptoms . . . . . . . . . . .69
No-beep symptoms . . . . . . . . . .69
LCD-related symptoms . . . . . . . . .70
Intermittent problems . . . . . . . . . .71
Undetermined problems . . . . . . . . .71
FRU replacement notices . . . . . . . . .72
Screw notices . . . . . . . . . . . .72
Retaining serial numbers . . . . . . . . .73
Restoring the serial number of the system unit 73
Retaining the UUID . . . . . . . . .74
Reading or writing the ECA information . . .74
Removing and replacing a FRU . . . . . . . .76
1010 Battery pack . . . . . . . . . . .77
1020 Hard disk drive . . . . . . . . . .78
1030 DIMM cover . . . . . . . . . . .79
1040 Mini PCI adapter, DIMM, MDC-2, and
BMDC-3 . . . . . . . . . . . . .80
1050 Keyboard . . . . . . . . . . .83
1060 Upper case . . . . . . . . . . .86
1070 Fingerprint board . . . . . . . . .89
1080 Backup battery . . . . . . . . . .91
1090 LCD module . . . . . . . . . . .92
1100 Hard disk housing assembly . . . . . .95
1110 Top shielding . . . . . . . . . .96
1120 Lower case . . . . . . . . . . .97
1130 Fansink . . . . . . . . . . . . 101
2010 LCD bezel . . . . . . . . . . . 102
2020 LCD . . . . . . . . . . . . . 105
2030 Inverter card . . . . . . . . . . 106
2040 Antenna L and antenna R . . . . . . 108
2050 Hinge L and hinge R . . . . . . . .112
2060 Bluetooth antenna cable . . . . . . .114
Locations . . . . . . . . . . . . . .115
Front view for X41 series . . . . . . . .115
Rear view for X41 series . . . . . . . .116
Bottom view for X41 series . . . . . . . .117
Front View for X4 UltraBase Dock . . . . .118
Rear View for X4 UltraBase Dock . . . . . .119
Parts list . . . . . . . . . . . . . . 120
Overall . . . . . . . . . . . . . 120
LCD FRUs . . . . . . . . . . . . 130
12.1-in. XGA TFT . . . . . . . . . 130
© Lenovo 2005. Portions © IBM Corp. 2005. 49