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