Read This First .................. 3
Screw Tightening Information .......... 4
Product Overview . . . . . . . . . . . . . . . . . 8
Checkout Guide . . . . . . . . . . . . . . . . . 9
Audio Checkout . . . . . . . . . . . . . . . . 10
Diskette Drive Checkout ............ 10
Fan Checkout . . . . . . . . . . . . . . . . . 11
Keyboard or Auxiliary Input Device Checkout . . 11
Memory Checkout . . . . . . . . . . . . . . . 12
Power Systems Checkout ........... 13
Status Indicator Checkout ........... 16
System Board and CPU Card Checkout ..... 16
TrackPoint Checkout . . . . . . . . . . . . . . 16
Optional Device Checkout ............. 18
Port Replicator Checkout ............ 18
External Monitor Self-Test ........... 18
Power Management Features ........... 20
Standby Mode . . . . . . . . . . . . . . . . . 20
Suspend Mode . . . . . . . . . . . . . . . . 20
Hibernation Mode . . . . . . . . . . . . . . . 21
Port Replicator Power Overload ........ 22
Symptom-to-FRU Index . . . . . . . . . . . . . . 23
Numeric Error Codes .............. 23
Beep Symptoms . . . . . . . . . . . . . . . . 28
Function-Related Symptoms . . . . . . . . . . 29
Indicator-Related Symptoms . . . . . . . . . . 29
Infrared-Related Symptoms . . . . . . . . . . . 29
Keyboard- or TrackPoint-Related Symptoms . . . 30
LCD-Related Symptoms . . . . . . . . . . . . 30
Peripheral-Device-Related Symptoms . . . . . . 31
Power-Related Symptoms . . . . . . . . . . . 31
Other Symptoms . . . . . . . . . . . . . . . . 32
Intermittent Problems . . . . . . . . . . . . . 32
Undetermined Problems . . . . . . . . . . . . 32
Running the Diagnostics .............. 34
PC Card (PCMCIA) Slots Test ......... 35
Universal Serial Bus (USB) Test ........ 35
Displaying the Error Log ............ 35
Checking the Installed Devices List ....... 35
Diagnostic Error Codes ............ 36
Related Service Procedures ............ 39
Status Indicators . . . . . . . . . . . . . . . . 39
Password Combinations . . . . . . . . . . . . 40
Running a Low-Level Format .......... 40
Fn Key Combinations ............. 41
FRU Removals and Replacements ......... 42
Important Notice . . . . . . . . . . . . . . . . 42
FRU Service Procedures ............ 43
Removal Reference . . . . . . . . . . . . . . 44
1010 DIMM Card and Backup Battery ..... 45
1020 Battery Pack . . . . . . . . . . . . . . 46
Copyright IBM Corp. 1998 1