IBM ThinkPad 390

Solving Computer Problems
Frequently Asked Questions .................... 96
Hints, Tips and Limitations ..................... 104
Using a PC Card with the Port Replicator ........... 105
Using the Network Feature in the Port Replicator ...... 105
USB Connector Considerations ................. 106
Using a Second CardBus Card ................. 106
Using an External Condenser Microphone ........... 106
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . 107
Troubleshooting Charts . . . . . . . . . . . . . . . . . . . . . . . 108
Error Codes or Messages .................... 109
No Error Codes or Messages .................. 112
Input Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Suspend or Hibernation Problems ............... 115
LCD Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Indicator Problems . . . . . . . . . . . . . . . . . . . . . . . . 118
Battery Problems . . . . . . . . . . . . . . . . . . . . . . . . . 118
CD-ROM Problems . . . . . . . . . . . . . . . . . . . . . . . . 119
Infrared Communication Problems ............... 120
Audio Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Universal Serial Bus (USB) Problems ............. 121
Modem Problems . . . . . . . . . . . . . . . . . . . . . . . . . 122
PC Card Problems ........................ 123
Printer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 124
External Monitor Problems .................... 125
Port Replicator Problems ..................... 127
Other Option Problems ...................... 128
Software Problems . . . . . . . . . . . . . . . . . . . . . . . . 129
Other Problems . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Recovering Lost or Damaged Software .............. 132
Using the PC-Doctor Program .................. 132
Using the ThinkPad Software Selections CD ......... 133
Using the Recovery CD ..................... 134
ThinkPad Web Site or Bulletin Board .............. 134
 Copyright IBM Corporation 1999 95