Symptom-to-FRU Index . . . . . . . . . . . . . 331Related Service Procedures . . . . . . . . . . . 344Product Overview . . . . . . . . . . . . . . . . 349FRU Removals and Replacements . . . . . . . . 350Locations . . . . . . . . . . . . . . . . . . . . 381Parts Listing . . . . . . . . . . . . . . . . . . 383ThinkPad 755CE, 755CSE, 755CV, 755CX (9545) 391General Checkout . . . . . . . . . . . . . . . . 393Symptom-to-FRU Index . . . . . . . . . . . . . 408Related Service Procedures . . . . . . . . . . . 420Product Overview . . . . . . . . . . . . . . . . 424FRU Removals and Replacements . . . . . . . . 426Locations . . . . . . . . . . . . . . . . . . . . 458Parts Listing . . . . . . . . . . . . . . . . . . 460Common Devices Checkout . . . . . . . . . . 469External Diskette Drive Test . . . . . . . . . . . 470External Display Self-Test . . . . . . . . . . . . 470External Keyboard/Auxiliary Input Device Checkout 471Fax/Modem Checkout . . . . . . . . . . . . . . 472Printer Checkout . . . . . . . . . . . . . . . . 474Port Replicator Checkout . . . . . . . . . . . . 475TrackPoint II Checkout . . . . . . . . . . . . . 476TV Tuner . . . . . . . . . . . . . . . . . . . . 477Common Parts Listing . . . . . . . . . . . . . 483Miscellaneous Information . . . . . . . . . . . 489Acronyms, Abbreviations and Terms . . . . . . . 489Send Us Your Comments! . . . . . . . . . . . . 491Do You Need Technical References? . . . . . . 492Problem Determination Tips . . . . . . . . . . . 493Phone Numbers, U.S. and Canada . . . . . . . . 494Notices . . . . . . . . . . . . . . . . . . . . . 497viii IBM Mobile Systems HMM