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UNIT of COMPETENCY Install Computer System and Networks

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UNIT of COMPETENCY Install Computer System and Networks UNIT OF COMPETENCY Install Computer System and Networks Diagnose and Troubleshoot Computer System Configure Computer System and Networks Maintain Computer System and Networks Can I Yes or No o Plan and Prepare work to ensure occupational health and safety (OHS) policies and procedures are followed. Yes o Obtain materials, tools, equipment and testing devices needed to conform the job requirements. Yes o Interpret work instructions according to the job requirements. Yes o Obtain computer components/devices/systems and determines its location prior to installation. Yes o Install equipment/devices/systems in accordance with the job requirements. Yes o Check/test devices/systems and/ or installations to determine the conformity to the job requirements. Yes o Check computer systems and networks for configuration in accordance with the specification and requirements. Yes o Diagnose fault or problem in the computer systems and networks in line with the standard operating procedure. Yes o Configure the identified systems and networks based on the specifications and job requirements. Yes o Inspect and test configured computer systems and networks in conformity with manufacturer's instructions/manual. Yes o Correct/adjust components or parts of computer system and networks in accordance with job requirements. Yes o Test computer systems and networks to ensure safe operation. Yes o Performs scheduled/periodic maintenance in accordance with manufacturer's requirements. Yes o Make needed repairs/replacements in accordance with established procedures when necessary. Yes o Document tasks undertaken in the accordance with standard operation procedure (SOP). Yes o Clean and clear worksite of all surplus/excess materials in accordance with company standard operation procedure (SOP). Yes OHS (Occupational Health Safety) Always ground yourself before touching any part of the computer Do not work alone Be careful with tools that may cause short circuit Replace only fuses with those proper ratings Wear safety glasses for protection against sparks and metal fragmented Use only grounded plugs and receptacles Working area should have ventilations, trash can, fire exit and capable of being disinfect. Keep one hand in your pocket when working live circuit. Wear rubber sole shoes when standing on the ground or in a concrete floor. Always power off and unplug the computer before working on it. Wear hard hat when someone working above you When making circuit changes switch off and unplug the power cord from the equipment then discharge the capacitors. Process of Assemble/ Disassemble PROCEDURE: • The instructor will demonstrate how to disassemble/assemble a personal computer system. • The instructor should tell some basic details about each component while demonstrating to the students. • The students will perform the steps to disassemble and assemble PC after the instructor has demonstrated and explained each step given below. Taking Apart and Putting Together a PC 1. Verify the computer is working properly. 2. Turn off the computer and unplug it. Next, remove the cover of the computer, following these basic steps. a. Unplug the monitor, mouse, keyboard and other peripherals. Move them out of the way. b. Study the PC case and identify how to remove the cover. Note that PC cases come in various designs. We’ll assume a typical desktop mid-tower casing with two separate panels, one on each side. We want to remove the component side, i.e., the left side of the casing is facing you. Get help from your instructor, if necessary. c. Locate and remove screws. Be careful not to remove any other screws on the case. d. After you remove the screws, slide the cover a few inches back and away to remove it from the case. 3. Remove the following major components. Note: Do not remove the processor from its socket/slot. a. Hard disk drive b. Floppy disk, CD-ROM or DVD-ROM drives c. Power supply d. Memory To remove the memory, pull the supporting arms outward until the memory is released. e. Expansion cards such as video card, sound card or modem card. f. Motherboard Before you remove the motherboard make sure you have read the manual that comes with the motherboard from beginning to end. You need to know the information specific to the motherboard. If in case there is no manual available, do not remove the motherboard. 4. Install the drivers. Install the drivers first. The reason for this is that if the motherboard is already in the case before the drivers are installed, you run the risk of dropping a drive on the motherboard and damaging it. If you installed the drivers before the motherboard, however; do not connect the power cords until the motherboard is in place. 5. Identify the settings of the jumpers/switches. Refer to the motherboard documentation on how jumpers and switches on the board are used. 6. Install RAM in the appropriate slots on the motherboard. Insert the DIMM into the slot by pressing down until the support arms lock into position. 7. Install the motherboard and attach cabling. The assembly process has involved preparing the case by installing the exhaust fan and spacers; installing any needed drivers; and attaching the processor; cooling assembly, and memory modules to the motherboard. 8. Install the video card. Install the video card on the motherboard. The video card to be installed includes a registration tab that allows the card to fit into the slot on the motherboard. When installing an expansion card, first read the documentation for the card and then determine if you need to set any jumper switches on the card. 9. Install the modem card (or, if external, skip this step and install in Step12) To install the modem card in a PCI slot, remove the faceplate from the PCI slot, insert the modem card, and then use a screw to secure it. A modem is not considered as essential device, so you can opt to install it after you have tested the system and installed the operating system. 10. Plug the computer into power source, and attach the monitor, keyboard and mouse. The installation of devices inside the case is now complete. Before you plug in the computer, make sure that no cords are obstructing the fans. Notice that some cables are coiled and tied with plastic ties. Coiling and tying up the cords makes the inside of the case less cluttered and prevents cords from obstructing airflow and fans. Do not coil and tie the cables until after you test the system to make sure everything works. Attach the monitor and any keyboard and then plug in the computer. 11. Turn on the power and check that the computer is working properly. 12. Boot the computer; check the CMOS settings, and make sure that everything is configured and working properly before replacing the computer case. Boot the system and press the appropriate keys to enter CMOS setup. The motherboard manual should contain a list of all CMOS settings, an explanation of their meanings, and their recommended values. Follow the instruction in the motherboard manual to set the CMOS settings required for the motherboard. System Components 1. Motherboard 2. Processor 3. Memory (SDRAM, DDR I, II, III IV) 4. Case 5. Power supply 6. Hard disk drive 7. Floppy disk drive 8. Compact disk / digital versatile disk drive 9. Monitor (LCD, CRT) 10. Video card 11. Sound card 12. Keyboard 13. Mouse 14. LAN card 15. Modem 16. Power Cord 17. Router 18. Hub 19. Switch 20. AVR (Automatic Voltage Regulator) 21. UPS (Uninterruptible Power Supply) 22. FDD Cable/Connector 23. SATA Cable/connector (For HDD,CD/DVD) 24. PATA or ATA Cable/Connector (For HDD,CD/DVD) System Components Motherboard - It is the core of the system which controls all the devices. Processor - It is also called microprocessor or central processing Unit (CPU) which serves as the brain or engine of the PC. Memory - It is the primary memory which is often called Random Access Memory (RAM). It contains data which the processor is using at a given time. Case - It is a frame that houses the system unit. Power supply - It is a source of electrical power of every part in the PC. Hard disk drive (HDD) - A secondary storage device that is used when large amounts of data have to be stored, particularly if some of the data need not be accessed very frequently. Floppy disk drive (FDD) - A secondary storage device that can read and write to a floppy disk. Newer floppy drives read 3.5-inch floppy disks or diskettes that hold about 1.44MB of data. Compact disk / digital versatile disk drive (CD/DVD) - It is a high-capacity removable-media, optical storage device of the system. Monitor (CRT, LCD) - It visually displays the output of the computer Video card - An expansion card that provides a port for a monitor. Sound card - An expansion card that provides a port for speakers and microphones. Keyboard - It is the primary input device used to communicate with the PC. Mouse - It is a pointing input device used to communicate with the PC. LAN Card - It’s either an expansion or built-in that provides a port for internet. - is a way of getting Internet from a hub or router and getting it to your PC or Laptop. Modem - Modulation/Demodulation - Use to convert analog signal from telephone to digital signal of a computer Power Cord - It is a standard interface use to connect the PC or System Unit to AVR or UPS Router - chooses the best path for them through the network, and then switch them to the proper outgoing port - is a networking tool/device with the aim of selecting the appropriate path for to transfer data packages between different networks.
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