Table of Contents 7
Chapter 3 Removal and Replacement
General Information. . . . . . . . . . . . . . . . . . . . . . . . .64
Before You Begin . . . . . . . . . . . . . . . . . . . . . .64
Disassembly Procedure Flowchart . . . . . . . . . . . . .65
Removing the Battery Pack. . . . . . . . . . . . . . .67
Removing the Hard Dis k Drive . . . . . . . . . . . . 68
Disassembling the Hard Disk Drive. . . . . . . . .68
Disassembling the Middle Cover. . . . . . . . . . .69
Removing the LCD Module. . . . . . . . . . . . . . . . . . .71
Disassembling the LCD Module . . . . . . . . . . .72
Disassembling the Main Unit. . . . . . . . . . . . . . . . . .75
Removing the Keyboard . . . . . . . . . . . . . . . . .75
Removing the DIMM . . . . . . . . . . . . . . . . . . . .75
Removing the MODEM Board. . . . . . . . . . . . .77
Removing the RTC Battery . . . . . . . . . . . . . . .78
Removing the Lower Case . . . . . . . . . . . . . . . . . . .79
Removing the System Board. . . . . . . . . . . . . .79
Removing the Touchpad . . . . . . . . . . . . . . . . .81
Removing the Fan. . . . . . . . . . . . . . . . . . . . . .82
Removing the PCMCIA Slot . . . . . . . . . . . . . .83
Chapter 4 Troubleshooting
System Check Procedures . . . . . . . . . . . . . . . . . . .86
External Diskette Drive Check. . . . . . . . . . . . .86
External CD-ROM Drive Check. . . . . . . . . . . .86
Keyboard or Auxiliary Input Device Check . . . 87
Memory Check . . . . . . . . . . . . . . . . . . . . . . . .87
Power System Check . . . . . . . . . . . . . . . . . . .88
Touchpad Check . . . . . . . . . . . . . . . . . . . . . . .89
Error Symptom-to-FRU Index . . . . . . . . . . . . . . . . .90
Intermittent Prob l e m s . . . . . . . . . . . . . . . . . . . 9 8
Undetermined Problems . . . . . . . . . . . . . . . . .98
Chapter 5 Jumper a nd Connector Informat ion
Top View. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101
Bottom View . . . . . . . . . . . . . . . . . . . . . . . . .102
Table of Contents