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Miscellaneous Parts . . . . . . . . . . . . . . . 103
Service Tools . . . . . . . . . . . . . . . . . . 103
Others . . . . . . . . . . . . . . . . . . . . . 104
ThinkPad i Series 1400 Hardware Maintenance
Manual (Part II) ................ 105
Read This First ................. 106
How to Use Error Messages ......... 106
How to Diagnose Mulitple FRUs ....... 106
What to Do First ............... 106
Screw Notices . . . . . . . . . . . . . . . . 108
Power-On and Setup Password ......... 109
Check Procedures . . . . . . . . . . . . . . . 110
Power Systems Check ............ 111
System Board Check ............ 113
Memory Check . . . . . . . . . . . . . . . 113
Keyboard and External Input Device Check . . 114
Audio Function Check ............ 115
TrackPoint IV Check ............. 115
Diskette Drive Check ............. 116
CD-ROM/DVD-ROM Drive Check ....... 116
Modem Board Check ............ 117
BIOS Utility . . . . . . . . . . . . . . . . . . . 118
Navigating the BIOS Utility .......... 119
Power Management Features .......... 120
Screen Blanking Mode ............ 120
Standby Mode . . . . . . . . . . . . . . . . 120
Hibernation Mode . . . . . . . . . . . . . . 121
Symptom-to-FRU Index . . . . . . . . . . . . . 122
Numeric Error Codes and Messages ..... 122
Beep Symptoms . . . . . . . . . . . . . . . 124
No Beep Symptoms ............. 124
Keyboard/TrackPoint-Related Symptoms . . . 125
LCD-Related Symptoms . . . . . . . . . . . 125
Indicator-Related Symptoms . . . . . . . . . 128
Power-Related Symptoms . . . . . . . . . . 128
Memory-Related Symptoms . . . . . . . . . 128
Audio-Related Symptoms . . . . . . . . . . 129
PC Card (PCMCIA)-Related Symptoms .... 129
Power Management-Related Symptoms .... 129
Peripheral Device-Related Symptoms ..... 130
Modem-Related Symptoms . . . . . . . . . . 131
Intermittent Problems . . . . . . . . . . . . 131
Undetermined Problems . . . . . . . . . . . 131
Related Service Procedures ........... 133
Flash Memory Update ............ 133
Status Indicators . . . . . . . . . . . . . . . 133
Power Switch . . . . . . . . . . . . . . . . 135
Diagnostic Program Diskette ......... 135
Maintenance Program Diskette ........ 136
Fn Key Combinations ............ 138
Product Overview . . . . . . . . . . . . . . . . 139
FRU Removals and Replacements ........ 140
Before FRU Removals and Replacements . . . 141
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