Chapter Summary

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The following points summarize the key concepts in this chapter:

Computer Disassembly and Reassembly

• Preparation is the key to a successful upgrade or repair. Document the system setup, including hardware and software, using a computer configuration sheet before you begin the project.
• Prepare a plan of action before beginning a project and stick to it.
• Make sure you have an adequate toolkit, including a bootable floppy disk and any utilities you may need.
• Always create a complete backup of the system you are going to be working on before you begin.
• Implement safety precautions, including ESD prevention.
• Follow the steps for disassembly and reassembly.

Upgrading a Computer

• Memory upgrades are probably the simplest and most common upgrades performed by a computer technician.
• Installing a new CPU is a common way to upgrade older computers. Installing a new expansion card is another common upgrade.
• Before installing (or purchasing) new parts, make sure the parts will work with the system you intend to upgrade.
• Installing a new hard drive is not difficult. However, certain procedures need to be followed.
• Installing a new motherboard is one way to completely overhaul a computer.