Chapter 20, "Upgrading a computer," covers the basic tools and techniques used to perform common upgrades to a computer, including upgrading memory, expansion card operations, and computer disassembly and reassembly. | Chapter Overview Computer Disassembly and Reassembly Upgrading a Computer Preparing to Work on a Computer Documentation is key to preparation. Collect the following before starting a job: Computer configuration sheet Computer and motherboard documentation List of all installed expansion cards Operating system (OS) documentation A plan of action that includes a checklist of tasks, tools, and parts Questions to Ask Before Starting a Job Is this the right computer? Why am I taking it apart? Do I have everything necessary to do the job? Do I need more information before starting the job? Are there any proprietary hardware components in this machine? Do any of these tasks require the assistance of a third-party technician? Tools and Components Assemble a toolkit that contains standard tools and a DOS boot floppy disk. During planning, ensure that you have all items required. Have on hand: The original OS disks A rescue disk for the version of Microsoft Windows you are working . | Chapter Overview Computer Disassembly and Reassembly Upgrading a Computer Preparing to Work on a Computer Documentation is key to preparation. Collect the following before starting a job: Computer configuration sheet Computer and motherboard documentation List of all installed expansion cards Operating system (OS) documentation A plan of action that includes a checklist of tasks, tools, and parts Questions to Ask Before Starting a Job Is this the right computer? Why am I taking it apart? Do I have everything necessary to do the job? Do I need more information before starting the job? Are there any proprietary hardware components in this machine? Do any of these tasks require the assistance of a third-party technician? Tools and Components Assemble a toolkit that contains standard tools and a DOS boot floppy disk. During planning, ensure that you have all items required. Have on hand: The original OS disks A rescue disk for the version of Microsoft Windows you are working with The correct utilities for the OS version Virus-checking utilities, with up-to-date signature files Disassembling a Computer Removing the computer case gives you access to memory, expansion slots and cards, and the CPU. Each computer brand has some custom components or layout. Use the manual and other documentation that came with the computer. The extent to which you have to disassemble a computer depends on the specific problem or repair. Procedure for Disassembling a Computer Make a complete backup of necessary OS and working files. Document the system (hardware and software). Create a clean work area with plenty of room and light. Gather all the necessary tools for the job. Implement all proper safety procedures. Turn off the computer. Procedure for Disassembling a Computer (Cont.) Disconnect the power cables. Wear an antistatic wrist-grounding strap. Locate the screws for the cover. Remove the screws. Remove the cover from the computer. Document the location of .
