Machine Disassembly and Replacement

This chapter contains step-by-step procedures on how to disassemble the notebook computer TravelMate 6293 for maintenance and troubleshooting. To disassemble the computer, you need the following tools Wrist grounding strap and conductive mat for preventing electrostatic discharge Plastic flat head screwdriver NOTE The screws for the different components vary in size. During the disassembly process, group the screws with the corresponding components to avoid mismatch when putting back the...

Disassembly Procedure Flowchart

Flow Chart Lcm

The flowchart on the succeeding page gives you a graphic representation on the entire disassembly sequence and instructs you on the components that need to be removed during servicing. For example, if you want to remove the system board, you must first remove the keyboard, then disassemble the inside assembly frame in that order.

Intermittent Problems

Intermittent system hang problems can be caused by a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. When analyzing an intermittent problem, do the following 1. Run the advanced diagnostic test for the system board in loop mode at least 10 times. 2. If no error is detected, do not replace any FRU. 3. If any error is detected,...