This is one of the most important things to learn in taking the TESDA NC II Computer Servicing Exam. You need to learn the step by step procedure on how to open and disassemble a system unit. There are various design of computer casing and before opening you need to check and see how you will start the system unit dis-assembly. Here we are going to use a mini-tower casing as our model, mini-tower casing design is the most easiest to disassemble, however that would depend on the brand and model.
- It's Not a Race, take a slow relaxed approach, discuss, question and research each component as it's removed.
- Fall back on your own knowledge, use the Internet, your books and resource material. It's impossible to retain all the information, so one of the most important computer skills you can learn is how to research and use your resources to find what you need.
Questions to Think About or Discuss as you Disassemble
- Should I document everything I do or everything I remove?
- Am I taking the best ESD precautions available to me right now?
- When you remove an expansion card what kind of card is it?
- When removing a drive, what kind of drive is it?
- When removing wires or cables, what are the cables for?
- Am I still taking proper ESD precautions and is my anti-static strap still hooked up?
- Look at the motherboard again when there's not so much in the way. Can you point out the CPU?
Before You Begin
- Have a pen and paper ready. Documentation is real important.
- Make sure you have the tools you need and they're all close by and handy.
- Be sure to have a container to keep the screws in.
- Make sure you have the resource material, drivers or software that you may need.
- If possible, enter the CMOS setup and record the information available.
- Disassembly is major surgery, do a full backup of the system.