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ThinkPad i Series 1400 Hardware Maintenance
Manual . . . . . . . . . . . . . . . . . . . . . 1
Read This First .................. 1
How to Use Error Messages .......... 1
How to Diagnose Multiple FRUs ........ 1
What to Do First ................ 2
Screw Notices . . . . . . . . . . . . . . . . . 3
Power-On and Setup Password .......... 4
Check Procedures . . . . . . . . . . . . . . . . 5
Power Systems Check ............. 6
Planar Board Check .............. 8
Memory Check . . . . . . . . . . . . . . . . 8
Keyboard and External Input Device Check . . . 9
Audio Function Check ............. 10
TrackPoint IV Check .............. 10
Diskette Drive Check .............. 11
CD-ROM/DVD-ROM Drive Check ........ 11
Modem Board Check ............. 12
BIOS Utility . . . . . . . . . . . . . . . . . . . . 13
Navigating the BIOS Utility ........... 14
Power Management Features ........... 15
Screen Blanking Mode ............. 15
Standby Mode . . . . . . . . . . . . . . . . . 15
Hibernation Mode . . . . . . . . . . . . . . . 16
Symptom-to-FRU Index . . . . . . . . . . . . . . 17
Numeric Error Codes and Messages ...... 17
Beep Symptoms . . . . . . . . . . . . . . . . 19
No Beep Symptoms .............. 19
Keyboard/TrackPoint-Related Symptoms . . . . 20
LCD-Related Symptoms . . . . . . . . . . . . 20
Indicator-Related Symptoms . . . . . . . . . . 22
Power-Related Symptoms . . . . . . . . . . . 22
Memory-Related Symptoms . . . . . . . . . . 22
Audio-Related Symptoms . . . . . . . . . . . 23
PC Card (PCMCIA)-Related Symptoms ..... 23
Power Management-Related Symptoms ..... 23
Peripheral-Device-Related Symptom . . . . . . 24
Modem-Related Symptoms . . . . . . . . . . . 25
Intermittent Problems . . . . . . . . . . . . . 25
Undetermined Problems . . . . . . . . . . . . 25
Related Service Procedures ............ 27
Flash Memory Update ............. 27
Status Indicators . . . . . . . . . . . . . . . . 27
Power Switch . . . . . . . . . . . . . . . . . 29
Diagnostic Program Diskette .......... 29
Maintenance Program Diskette ......... 30
Fn Key Combinations ............. 32
Product Overview . . . . . . . . . . . . . . . . . 33
FRU Removals and Replacements ......... 34
Before FRU Removals and Replacements .... 35
Contents
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