Republic of the Philippines

Department of Education

Region I

SCHOOLS DIVISION OFFICE I PANGASINAN

AGUILAR INTEGRATED SCHOOL

Aguilar, pangasinan

Information and Communications Technology

Computer System Servicing

Module 1: Install Computer System and Networks

Code: TLE_IACSS9- 12ICCS-Ia-e-28

20 Weeks

Quarter 1

PREPARED BY:

CARIDAD V. OROGO

TEACHER II

Lesson Information 1.5 Week 7

Applying 5’s on your computer

The 5s comes from the Japanese word and translated into English this is the standard process in working productivity process. It’s purpose is to help you make a decision making process in standardization of work.

1. Seiri Sorting/Putting things in order (Remove/discard what is not needed so that there are fewer hazards and less clutter to interfere with work. Only keep what is needed.)

Example: Sorting of Lastnames alphabetically from A to Z.

2. Seiton Orderliness/Proper Arrangement (Place things in such a way that they can be easily reached whenever they are needed. "There must be a place for everything, and everything must be in its place.")

Example: In your bag it can easily find your ballpen if you place in the pocket of your bag or pencil case.

3. Seiso Clean/cleanliness. (Keep workplace and things clean and polished; no trash or dirt in the workplace)

Example: cleaning your bedroom is comfortable to use.

4. Seiketsu Standardize/Purity (Maintain cleanliness after cleaning, consistentlyperpetual cleaning. Such cleaning is part of every one's work.)

Example: cleaning of your bedroom nicely it means that if you cleaned your bedroom make sure it is properly clean the quality of your work to clean.

5. Shitsuke Sustaining/discipline/commitment (Maintain standards and keep the facility in safe and efficient order day after day, year after year.)

Example: cleaning your bedroom as your daily routine is the self-discipline.

This Story Telling will show you the example of 5s: Watch my video lessons sent to your group chat.

Lesson Information 1.4 Week 7

Data Definition

Chemical hazard any hazard that results from the accidental caused by toxic chemical.

Desktop computer is a personal computer (PC) in a form intended for stationary use.

Electric shock Characterized by pain and muscular spasm cause by an electric current.

Elimination The process of removing the hazard from the workplace.

Ergonomics The science of designing the workplace environment to fit the user.

Hazard A situation that has the potential to harm the health and safety of people.

Hazard control the development of systems to prevent accidents or injuries.

Health The general condition of a person in all aspects.

Housekeeping Is the systematic process of making a home neat and clean and in order.

Risk A potential condition that a chosen action or activity causes.

Risk management the process of analyzing exposure to risk and managing it.

Safety The state of being "safe".

Standards Something accepted as a basis for comparison.

Tree structure an algorithm for placing and locating files in an organized database.

OSH Occupational safety and health

PPE Personal protective equipment

Hazard Identification, Risk Assessment, and Risk Control

Occupational safety and health (OSH) is a planned system of working to prevent illness and injury where you work by recognizing and identifying hazards and risks. Health and safety procedure is the responsibility of all persons in the computer and technology industries. You must identify the hazards where you are working and decide how dangerous they are. Eliminate the hazard or modify the risk that it presents.

There are three steps used to manage health and safety at work:

1. Identify the Hazard. A hazard is anything that could hurt you or someone else.

The common hazard are the following:

Physical Hazards is a circumstances that can hurt you physically.

Example:

Falling from ladder slippery

Mechanical Hazards is a powered by manual or automatic machine that can be resulted to injury.

Example:

Holding cpu fan can hurt you a mechanic may stuck his

hand into the machine

Chemical Hazards is a toxic chemical or exposure to chemicals in the workplace can cause acute or long-term detrimental health effects.

Example:

Printer Ink results to poison muriatic acid results to poison

Electric Shock Hazard can be defined as a dangerous condition where a worker could make electrical contact with energized equipment or a conductor, and from which the person may sustain an injury from shock; and/or, there is potential for the worker to receive an arc flash burn, thermal burn, or blast injury.

Example:

Electric wire line man

Lesson Information 1.6-1 Week 8-10

ASSEMBLE COMPUTER HARDWARE IN ACCORDANCE WITH ESTABLISHED PROCEDURES AND SYSTEM REQUIREMENTS

SAFETY PRECAUTIONS

Personal Protective Equipment (PPE)- It refers to protective clothing, helmets, goggles, or other gear designed to protect the wearer's body or clothing from injury by electrical hazards, heat, chemicals, and infection, for job-related occupational safety and health purposes.

PPE can also be used to protect the working environment from pesticide application, pollution or infection from the worker (for example in a microchipfactory). It is important that students and teachers during their laboratory period should be required to use personal protective equipment. Some of these are:

Goggles A large spectacles, with shields around the rims, for protecting the eyes from dust, excessive light, wind, etc.
Rubber Sole A special type of shoes used to prevent electrical shock and for waterproofing and insulating purposes or any rubber shoes.
Apron A garment worn over the front of the body as a protection for one’s cloth.
Face Mask A covering for the face to prevent the inhaling or absorbing dust and other chemicals
Gloves The covering material with a separate sheath for each finger used for hand protection.

Personal Computer Disassembly

Before starting computer disassembly, make sure you have the tools you need in disassembly and apply OHS with PPE.

Tools:

Screw driver

Clean cloth cotton

Paint or make up brush (dry and clean)

Part retriever

ESD Wrist wrap

PPE Tools

Before doing disassembly make sure you ground yourself. To ground yourself you have to discharge your static energy from your body by holding thru your hands in concrete walls or metal object make sure your hands are not wet.

Step1. Wear PPE or Personal Protective Equipment

Step1. Unplugging - The first thing you do is to unplug every cable that is plugged in to your computer. That includes the cables such as Power, USB, Mouse, Keyboard, Internet, Ethernet, Modem, AM\FM Antenna, Cable TV, etc. Just unplug all the cables for safety purposes.

Now that your computer is fully unplugged, move your PC to a clean work space.

Step2.Opening the Outer Shell/Case- First, unscrew the four screws at the back of the computer. On most computer cases, there will be large knobs that you can unscrew by hand or by screw driver on the back-right side of the computer. The left side has small screws because on that side you can't access much on the inside.

Figure 1. Screw at the back of computer chassis

Once the screws are removed, you can remove the side panels. On most computers, they just slide off. Start with the left side panel (the side that once had the knobs), slide it towards the back of the computer. Now you can remove the left panel. Just like the other side, slide it towards the back of the computer.

Figure 2. Removing the side panel

NOTICE: If you are working on a carpet, about every five minutes touch something that is grounded (Sink faucet / pipe, wire coming from the ground part of a wall outlet). This is done so you do not shock your motherboard or other parts.

Step2. Remove CMOS Battery- Removing CMOS Battery first is essential because it supply power source to mainboard to avoid damage to its parts of main board. To remove CMOS Battery slide it out from the its outer part.

Figure 3. Removing the CMOS Battery

Step3. Power Supply Unit - The first thing to do is unplug every wire coming from the power supply. You must disconnect the motherboard (very large connector/plug), CD/DVD drive(s) power, internal hard drive power and portable hard drive slot power.

power supply in place, on the back of the computer. Next, push the power supply from the outside, and then lift it out.

Figure 4. Removing the Power Supply Unit

Step4. CD/ DVD Drive(s)-First, unplug the ribbon from the back of the drive. Once that is completed, pull on the tab securing the drive in place, then push it out from the inside.

Figure 5. Removing the DVD Drive

Step5. Hard Drive - First, unplug the connector at the back of the slot, and unplug the other end from the motherboard. Also unplug the SATA cable from the motherboard and the hard drive. The portable hard drive slot is secured the same way the CD/DVD drive is, with a tab. Pull on the tab, then slide the slot out.

Figure 6. Removing the Hardisk Drive

Step6. Memory (RAM) - To remove the RAM, push down on both tabs holding the RAM in place, which are located at both ends of the RAM.

Figure 6. Removing the RAM Memory

Step8. Removing the CPU- Separate the CPU cooler or heatsink with fan from the motherboard, Be gentle when lifting the CPU cooler from the motherboard. Depending on the cooler, you can also try to slide it back and forth to dislodge it. Be sure to this maneuver gently though to prevent damaging it. Sometimes, thermal compound between the CPU cooler and processor can settle in like glue so be sure not to yank the cooler. Pulling the cooler too hard can yank the CPU out of its socket, damaging itself and the socket. If a pin remains inside a socket, your motherboard becomes permanently damaged as you won’t be able to replace the socket itself.

Figure 6. Removing the CPU

Step9. Motherboard - The motherboard has seven screws holding it to the frame, which are indicated by large white circles around them. Remove them and then lift the motherboard out of the frame.

Figure 6. Removing the Motherboard

Personal Computer Assembly

Now that you have the skills in disassembling a personal computer, Ibelieve that you are ready to take another step of this module which is assembling a personal computer. All you need to do is to follow the step by step procedures provided in this module.

Step 1. Prepare your workplace

1. Take Inventory:

Before you start, take an inventory of your parts. Do not begin assembling your computer if you don't have everything you need. Begin the step-by-step process once you are ready with everything you need.

Figure 7. Take inventory of the Different Computer Parts

2. Make Space, Make Time: Building a PC takes up space - about a dining room table worth. So make sure you have plenty of working room and a few hours to proceed with minimal interruption. Work on a flat, stable table top surface, or bare floor, where you have room to layout all of the items.

3. Prepare Grounding Protection:

Use an inexpensive antistatic wrist strap. Make sure you are wearing your antistatic wrist strap correctly (it does you no good at all if you do not wear it!), and you are ready to proceed. Look at Figure 8 for details.

Figure 8 Wearing the Anti- static Wrist Strap Correctly

4. Have the Drivers Ready:

Assuming you have another internet connected PC, download the latest drivers from the vendors' websites for each component you will be installing. Sometimes drivers are updated between the time the component was manufactured and the time you are installing it. It is always best to have the latest. Copy them to a CD for easy access.

Step 2. Prepare the Motherboard

1. Great care should be taken when

installing the motherboard. First, take the

board out of its packaging and put it on

top of the antistatic bag it came in (see

Figure 45). Remember, you always want

to safeguard your components from

potentially hazardous static electricity

(wear your strap).

Figure 9 Motherboard in anti-static bag

2. Before you secure the motherboard onto the PC case/chassis, inspect it carefully for any visible defects.

3. Next, review the motherboard manual, to make sure you are familiar with the motherboard layout and understand which socket is which. Manuals are extremely helpful, usually easy to read, and include illustrations. Below you can find instructions on how to install the processor, the heat sink and the memory modules on the motherboard. You should not place the motherboard in the computer case until you are told to do so.

Step 3. Install the CPU

1. Use the unlocking mechanism to

open the CPU socket which is

usually a lever.

2. Carefully line up the pins and

place the chip in its socket; it will

fit only when oriented the proper

way. An arrow or a missing pin on

one corner of the chip will show

you how to line things up.

3. Align Triangular CPU and socket

key marks as shown in Figure 46.

4. Lower the lever to lock the CPU

into place. Figure 10 Install CPU

Step 4. Install the CPU Heat Sink

1. Follow the manufacturer's directions to install the heat sink and the fan that will cool the processor. If you bought an OEM CPU and a separate heat sink, you may need to spread a thin layer of the thermal grease that came with the heat sink over the chip to ensure proper transfer of heat (some heat sinks come with this grease already applied).

Figure 11 Install CPU Heat Sink

3. Attach the clip that holds the heat sink in place keeping in mind that it may require a fair amount of force. Again, follow the instructions that came with the heat sink. They will show you how to fit it correctly. If you are in doubt, you can visit the manufacturer's website for more information.

4. Plug the CPU fan's power connector into the proper connector on the motherboard.

Step 5. Install Memory (RAM Modules)

In order to install the memory modules, insert them into the proper sockets (Figure 48) and push down firmly but evenly until the clips on both sides of the socket pop into place. If your motherboard supports dual-channel memory, consult the user manual to determine which pairs of RAM sockets you should use. The motherboard and the CPU are the brain and nerve center of your PC, so selecting these components is the most important decision you'll make. Figure 12 Install RAM Module

Step 6. Place the motherboard into the case

1. Some PC cases have a removable motherboard tray. If yours does, remove the screws holding it in place and pull it out of the case (Figure 13).

Figure 13. Remove Motherboard Tray

2. Note the pattern of the holes in your motherboard (Figure 14), and screw brass standoffs into the motherboard tray or into the PC case in the correct locations (ALWAYS check the manual and follow their instructions to the letter).

Figure 14. Screw Brass Standoffs Into the Motherboard

3. Check the layout of the sockets on the motherboard, and confirm that the ports on your motherboard's back panel match the holes on the case's Input/Output (I/O) shield that is installed in your case. If necessary, remove the old I/O shield by tapping it firmly a few times with the butt-end of a screwdriver, and then replace it with the shield that came with the new motherboard.

4. Carefully position the motherboard on top of the brass standoffs (Figure 15), line up all the holes, and use the screws that accompanied the case to fasten down the motherboard. If you are using a removable tray in your system, slide the tray and motherboard back into the case and then secure the tray.

Figure 15. Case’s I /O Shield

Figure 16. Mount the Motherboard

Step 7. Install Graphics / Video Cards

1. Begin by removing the backplane cover from the AGP or PCI Express X16 slot (the metal piece where the monitor connector will emerge) (Figure 17).

Figure 17. Remove the backplane cover

2. Install the graphics board in that slot, and then secure the card with a screw (Figure 18).

Figure 18. Install the Graphics Board

Step 8. Install Internal Drives

Now it is time to install your drives. This is an easy process, but it requires attention to detail.

1. Make any necessary changes to jumpers on the drives before mounting them in the case. A two-drive system (one or two SATA (Serial ATA- is a standard hardware interface for connecting hard drives and CD/DVD drives to a computer) hard drives, plus one parallel ATA (Advanced Technology Attachment) optical drive, for example) is easy to set up; the SATA drives are jumper less, and the optical drive can be set as master on its own parallel ATA channel. Many cases have removable drive rails or cages to house drives.

2. Use the included screws to attach your drives to the rails or cage, and slide them into the case. For externally accessible drives such as a DVD recorder, you can save time by installing one drive rail and sliding the drive in for a test fitting to make sure that its front is flush with the case (Figure 19).

Figure 19. Attach your devices

Step 9. Install the Add- in Cards

1. For each add-in card, you must choose a free PCI slot.

1. Remove its backplane cover to allow access from the rear of the case.

3. Carefully position the card above the slot, and press down firmly to seat the card (Figure 20).

4. Secure the card with a screw.

Figure 20. Add- in Cards

Step 10. Connect the Power Supply

Making the proper connections is crucial to successfully assembling your PC system. Fortunately, manufacturers provide color-coded power cables and unique connector shapes to make the job easy.

1. First, plug the large ATX power connector (Figure 21) from your power supply into the matching port on your motherboard. Look Figure X for details.

2. Locate the smaller, square processor power connector (Figure 54) (you cannot miss it - it is the one sprouting the yellow and black wires) and attach it to the motherboard. Note: your connector is usually located near the processor. As always, refer to your motherboard's manual for the exact locations.

3. Use your motherboard user manual and find the description about front-panel connectors.

Figure 21. Connect the ATX Power in the Motherboard

Figure 22. Square Processor Power Connector

NOTE:

You are going to be doing work that requires attention to detail and can be quite frustrating if you do not go into it with the right attitude.

4. Attach each of the tiny leads from the power and reset switches (Figure 18), the hard-disk activity lights, the PC speaker, and any front-panel USB and FireWire ports to the corresponding pin on your motherboard. The needle-nose pliers are useful for manipulating small pieces.

Figure 23. Connect the different Leads

When the drives are installed, connect power and data cables to each one. Parallel ATA drives use wide, flat data cables that can be installed only in the correct way. Floppy drives use a similar but smaller cable; SATA drives use a thin, 1cm-wide data cable. SATA drives use a new type of power connector that many power supplies don't come with. Fortunately, many motherboards ship with adapters for converting a standard four-pin power connector to a SATA power connector (Figure 23).

Figure 23. Connect Power Connector

Step 10. Install CMOS Battery

To install CMOS Battery locate the battery slot and insert it to the slot as shown in figure 24.

Figure 24. Insert CMOS Battery

Many motherboards have additional sound connectors or ports housed on small add-in boards. Some of these plug into slots on the motherboard; others screw into the back of the case in place of slot covers. Usually the additional ports are not essential to your PC's operation. For example, if you install a sound card, you do not need connectors to the motherboard's built-in sound chip. Check your motherboard manual to determine what each of these boards does.

Connecting Peripherals of a Personal Computer

When attaching hardware and peripherals of the computer, ensure that they are connected to the correct locations or ports. For example, some mouse and keyboard cables use the same type of PS/2 connector. So, you must know first the different ports that can be found in the back panel of the computer.

Steps in Connecting Peripherals of a PC

Step 1.Attach the monitor cable to the video port.

Step 2.Secure the cable by tightening the screws on the connector.

Step 3.Plug the keyboard cable into the PS/2 keyboard port.

Step 4.Plug the mouse cable into the PS/2 mouse port.

Step 5.Plug the USB cable into a USB port.

Step 6.Plug the network cable into the network port.

Step 7.Plug the power cable into the power supply.

Figure 25. Steps in Connecting Peripherals of a PC

After connecting all the cables into their proper places, the picture in the next page should be the appearance of the back panel of your PC.

Figure 26. Appearance of the PC’s Back Panel