Lenovo ThinkPad G41 ThinkPad G40 and G41 series Hardware Maintenance Manual - Page 47
Intermittent - cpu
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Page 47 highlights
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