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ThinkPad G40, G41
Product overview . . . . . . . . . . . .45
Specifications . . . . . . . . . . . .45
Status indicators . . . . . . . . . . .47
FRU tests . . . . . . . . . . . . .49
Fn key combinations . . . . . . . . . .51
Symptom-to-FRU index . . . . . . . . . .52
Numeric error codes . . . . . . . . . .52
Error messages . . . . . . . . . . .56
Beep symptoms . . . . . . . . . . .58
No-beep symptoms . . . . . . . . . .58
LCD-related symptoms . . . . . . . . .59
Intermittent problems . . . . . . . . . .60
Undetermined problems . . . . . . . . .60
FRU replacement notices . . . . . . . . .61
Screw notices . . . . . . . . . . . .61
Retaining serial numbers . . . . . . . . .62
Restoring the serial number of the system unit 62
Retaining the UUID . . . . . . . . .63
Reading or writing the ECA information . . .63
Removing and replacing a FRU . . . . . . . .65
1010 Battery pack . . . . . . . . . . .66
1020 Hard disk drive . . . . . . . . . .67
1030 DIMM door . . . . . . . . . . .69
1040 DIMM . . . . . . . . . . . .70
1050 Modem daughter card (MDC) . . . . .71
1060 Backup battery . . . . . . . . . .72
1070 Keyboard . . . . . . . . . . .73
1080 Middle cover . . . . . . . . . .75
1090 Hinge cover . . . . . . . . . . .76
1095 FDD assembly . . . . . . . . . .77
1100 Blank bezel FDD assembly . . . . . .78
1110 VGA heatsink assembly . . . . . . .79
1120 VGA card assembly . . . . . . . .80
1130 CD-ROM/DVD drive and ODD bracket . . .81
1140 Mini PCI adapter . . . . . . . . .82
1150 PC card slot assembly . . . . . . . .83
1160 LCD and Keyboard bezel assembly . . . .86
1170 LCD assembly . . . . . . . . . .89
1180 Keyboard bezel . . . . . . . . . .92
1190 Fan assembly . . . . . . . . . .94
2000 Fan (CPU 3 GHz) and CPU fixture . . . .96
2010 CPU . . . . . . . . . . . . .98
2020 CD-ROM/DVD drive bracket . . . . . .99
2030 FDD bracket . . . . . . . . . . 100
2040 System board . . . . . . . . . . 101
2050 Lower case assembly . . . . . . . 102
2060 Modem cable . . . . . . . . . . 103
2070 PC card slot assembly . . . . . . . 104
2080 LCD front bezel . . . . . . . . . 105
2090 Inverter card . . . . . . . . . . 106
© Lenovo 2005. Portions © IBM Corp. 2005. 43