Troubleshooting
Keyboard, External Numeric Keypad, and Pointing Device
Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Mwave DSP Feature Problems (Audio  and Telephony) ...  252
Option Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . 253
PC Card Problems ........................  254
Printer Problems  . . . . . . . . . . . . . . . . . . . . . . . . . . 256
Software Problems  . . . . . . . . . . . . . . . . . . . . . . . . 256
Getting Service  . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Listing Installed Options .....................  258
Recording Identification Numbers ................  258
Using the HelpWare Support Family ..............  259
Purchasing Additional HelpWare Services ...........  262
Custom Services  . . . . . . . . . . . . . . . . . . . . . . . . . 264
Obtaining IBM Operating System Updates ...........  265
About Your Warranty .......................  265
228 IBM ThinkPad 760E, 760ED, or 760EL User's Guide