VI
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51
Exit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Chapter 3 Removal and Replacement
External Module Replacement . . . . . . . . . . . . . . . .57
Reassembling the Modem Board . . . . . . . . . .57
Installing Memory . . . . . . . . . . . . . . . . . . . . . .57
Disassembling the CD-ROM Drive . . . . . . . . .58
Removing the Hard Disk Drive . . . . . . . . . . . .59
Disassembling the Hard Disk Drive . . . . . . . .59
Removing and Replacing the Battery Pack . .60
Removing the Keyboard . . . . . . . . . . . . . . . . . . . . .62
Removing the LCD . . . . . . . . . . . . . . . . . . . . . . . . .65
Removing the CPU . . . . . . . . . . . . . . . . . . . . . . . . .68
Disassembling the Upper Case . . . . . . . . . . . . . . .70
Removing the Speakers . . . . . . . . . . . . . . . . .72
Removing the Touchpad Bracket . . . . . . . . . .73
Disassembling the Lower Case . . . . . . . . . . . . . . .74
Removing the Floppy Disk Drive . . . . . . . . . .74
Disassembling the Fan . . . . . . . . . . . . . . . . . .75
Removing the System Board . . . . . . . . . . . . .76
Removing the IDE Board . . . . . . . . . . . . . . . .77
Removing the PCMCIA Card . . . . . . . . . . . . .77
Disassembling the LCD . . . . . . . . . . . . . . . . . . . . .78
Chapter 4 Troubleshooting
Diskette Drive Checkout . . . . . . . . . . . . . . . . .83
CD-ROM Driver Test . . . . . . . . . . . . . . . . . . .83
Keyboard or Auxiliary Input Device Checkout 84
Memory Checkout . . . . . . . . . . . . . . . . . . . . .85
Power System Checkout . . . . . . . . . . . . . . . .86
TouchPad Checkout . . . . . . . . . . . . . . . . . . . .88
Symptom-to-FRU Index . . . . . . . . . . . . . . . . . . . . .89
Numeric Error Codes . . . . . . . . . . . . . . . . . . .89
Intermittent Problems . . . . . . . . . . . . . . . . . . . . . . .95
Undetermined Problems . . . . . . . . . . . . . . . . . . . . .96
Utility Program Diskette . . . . . . . . . . . . . . . . . . . . .97
Setting LCD Panel ID . . . . . . . . . . . . . . . . . . .97
Table of Contents
720.book Page VI Saturday, March 6, 1999 10:00 AM