Read This First ................. 411
Checkout Guide . . . . . . . . . . . . . . . . 415
Memory Checkout . . . . . . . . . . . . . . 416
System Board and CPU Card Checkout .... 417
Keyboard or Auxiliary Input Device Checkout . 418
DSP Card Checkout (Model 765D) ...... 419
Audio (ESS) Card Checkout (765L) ...... 419
TrackPoint III Checkout ........... 419
Game Port Checkout ............. 420
Diskette Drive Checkout ........... 420
LCD Information Panel Checkout ....... 421
Fan Checkout . . . . . . . . . . . . . . . . 421
Power Systems Checkout .......... 422
Common Device Checkout .......... 428
Power Management Features ........ 429
Symptom-to-FRU Index . . . . . . . . . . . . . 432
Numeric Error Codes ............. 432
Diagnostic Error Codes ........... 436
Beep Symptoms . . . . . . . . . . . . . . . 440
No Beep Symptoms ............. 440
LCD-Related Symptoms . . . . . . . . . . . 441
Keyboard or TrackPoint III Related Symptoms . 442
Indicator-Related Symptoms . . . . . . . . . 442
LCD Information Panel-Related Symptoms . . 442
Power-Related Symptoms . . . . . . . . . . 443
Function/Audio-Related Symptoms . . . . . . 443
DSP-Related Symptoms . . . . . . . . . . . 444
ESS-Related Symptoms . . . . . . . . . . . 444
Peripheral-Device-Related Symptoms . . . . . 444
Infrared-Related Symptoms . . . . . . . . . . 446
PCMCIA-Related Symptoms . . . . . . . . . 446
Other Symptoms . . . . . . . . . . . . . . . 446
Intermittent Problems . . . . . . . . . . . . 447
Undetermined Problems . . . . . . . . . . . 447
Related Service Procedures ........... 448
Status Indicators . . . . . . . . . . . . . . . 448
LCD Information Panel ............ 448
Running the Diagnostics ........... 449
Displaying the Error Log ........... 450
Checking the Installed Devices List ...... 450
Password Combinations (POP, HDP, PAP) . . 451
Running a Low-Level Format ......... 451
Checking the PC Test Card LED ....... 451
Fn Key Combinations ............ 451
Product Overview (765D, 765L) . . . . . . . . . 453
FRU Removals and Replacements ........ 454
1010 Rear Connector Door ......... 455
1020 Diskette Drive or CD-ROM Drive .... 456
1030 Battery Pack . . . . . . . . . . . . . 458
1040 Hard Disk Drive ............ 459
1050 DIMM (If Installed) ........... 461
Copyright IBM Corp. 1997 409