Contents
Preface ...............iii
ThinkPad R30/R31 Hardware Maintenance Manual 1
Introduction ..............1
ImportantServiceInformation........1
Drive and Diskette Compatibility Matrix .....2
Safety Notices (Multi-lingual Translations) ....3
SafetyInformation...........12
Laser Compliance Statement .......16
General Descriptions ...........19
Read this first .............20
What to do first ...........20
FRU replacement notices .........22
LCD replacement notice .........22
Screwnotices............22
System board/LCD/Inverter replacement notice 23
Relatedserviceinformation.........25
Power button as reset switch .......25
Running a low-level format ........25
ServiceWebsite...........25
Passwords .............25
Power management features .......27
Fn key combinations ..........29
Product recovery program ........29
Checkout guide ............32
Testing the computer ..........33
Relatedserviceinformation........33
Power systems checkout.........34
Symptom-to-FRU Index ..........38
Numeric Error Codes and Messages .....38
Beep Symptoms ...........46
LCD-Related Symptoms .........47
Keyboard/TrackPoint-Related Symptoms ....47
Indicator-Related Symptoms........48
Power-Related Symptoms ........48
Memory-Related Symptom ........49
Audio-Related Symptoms ........49
PC Card (PCMCIA)-Related Symptoms ....49
Power Management-Related Symptoms ....50
Peripheral-Device-Related Symptoms .....50
Modem-Related Symptom ........51
Operating System-Related Symptom .....51
IntermittentProblems..........51
Undetermined Problems .........52
ThinkPad R30 .............53
Product overview ...........54
FRU removals and replacements ......59
Locations .............87
Partslist.............90
ThinkPad R31 Part I ..........103
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