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C omputer H ardware S ervicing NC II

C omputer H ardware S ervicing NC II. Agenda. Unit of competency Summary questions Inventory Occupational Health and Safety Disassembly and Assembly of PC Software installations Computer configurations. Device driver installation Cabling configurations Networking

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C omputer H ardware S ervicing NC II

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  1. Computer Hardware Servicing NC II

  2. Agenda • Unit of competency • Summary questions • Inventory • Occupational Health and Safety • Disassembly and Assembly of PC • Software installations • Computer configurations

  3. Device driver installation • Cabling configurations • Networking • Electronics symbols • Acronyms • Oral question and answer

  4. Unit of Competency

  5. Install Computer System and Networks • Diagnose and Troubleshoot Computer System • Configure Computer System and Networks • Maintain Computer System and Networks

  6. Answer the Following Summary Guide Questions

  7. Can I Yes or No • Plan and Prepare work to ensure occupational health and safety (OHS) policies and procedures are followed. Yes • Obtain materials, tools, equipment and testing devices needed to conform the job requirements. Yes • Interpret work instructions according to the job requirements. Yes

  8. Obtain computer components/devices/systems and determines its location prior to installation. Yes • Install equipment/devices/systems in accordance with the job requirements. Yes • Check/test devices/systems and/ or installations to determine the conformity to the job requirements. Yes • Check computer systems and networks for configuration in accordance with the specification and requirements. Yes

  9. Diagnose fault or problem in the computer systems and networks in line with the standard operating procedure. Yes • Configure the identified systems and networks based on the specifications and job requirements. Yes • Inspect and test configured computer systems and networks in conformity with manufacturer's instructions/manual. Yes • Correct/adjust components or parts of computer system and networks in accordance with job requirements. Yes

  10. Test computer systems and networks to ensure safe operation. Yes • Performs scheduled/periodic maintenance in accordance with manufacturer's requirements. Yes • Make needed repairs/replacements in accordance with established procedures when necessary. Yes • Document tasks undertaken in the accordance with standard operation procedure (SOP). Yes • Clean and clear worksite of all surplus/excess materials in accordance with company standard operation procedure(SOP). Yes

  11. Important To Remember

  12. Filled up the Following • Candidate’s Name : Name of students • Candidate’s signature : your signature • Date : Date of exam • Assessor's Name : Name of examiner/ask if necessary

  13. INVENTORY

  14. Materials • Computer Casing ( Mini Tower Casing) • Mother Board (Socket 478 / LGA 775) • Microprocessor (Pentium 4 / Core2Duo) • Power Supply (ATX 500 Watts) • Memory modules (DDR1 /DDR2) • Video Card (AGP/PCIE) • Modem • Drives (Optical / Hard disk drives) • Cables • AVR

  15. TOOLS • Anti Static protection (wrist wrap) • Pliers • Screw drivers • Multi-meter (VOLT OHM Meter) • Cable Tester • Crimping tool • Side Cutter • Gloves • UTP Cable • Cable tie • Logic Probe

  16. WORK AREA • Table / work board • Rubber matt • Extension power cord ( 220V )

  17. Equipment • Printer • Personal Computer with LAN

  18. Occupational health and safety

  19. OHS • 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

  20. 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.

  21. 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.

  22. PC ASSEMBLY AND DISASSEMBLY

  23. PC Assembly • Discharge yourself before touching any part of the computer. • Apply 5S . Segregate and arrange the computer peripherals . • Casing configurations. Open the case and install the power supply. • Mother board configurations. Install the CPU, CPU fan and RAM.

  24. Install the motherboard to the case and screw. • Connect the power, switches and IDE connectors to the mother board. • Inspect all connectors, be sure that it is in a proper places and tighten. • Connect the external part peripherals • Switch on the computer system

  25. PC disassembly • Switch off and unplug the computer from the power source. • Disconnect all the external connector peripherals. • Open the case. • Unplug all the internal connectors from the mother board. • Unscrew the power supply. • Unscrew all the drives (HDD,CDROM and Floppy drives) • Unscrew the mother board.

  26. Basic Trouble Shooting • Beep coding trouble shooting. • Component isolation • RAM isolation • Equipment isolation

  27. Software Installation

  28. CMOS/BIOS/POST Configurations • CMOS Configuration. Press delete key for 5 to 10 seconds upon booting the computer to enter the CMOS Setup Utility for the CLONE Computers • Change the booting sequence into CDROM/DVDROM first to boot. • Insert the CD OS installer . • Press any key. Forcing the system to boot from CDROM drive in which the CD OS installer located. Then follow screen instruction.

  29. Partitioning the Hard disk drive • Press D key in order to delete partition • Press C key in order to create partition • Press L key to confirm the deletion of the partition • Delete the existing capacity eg. 40000mb. Then enter new required capacity eg. 20000mb.

  30. Formatting the Hard disk drive • Choose NTFS quick formatting to quickly format your hard disk. Note: Best practice is selecting NTFS because it can handle larger than 32 gig capacity ,supports file-level security compression and auditing, and has the ability of file and folder encryption.

  31. Product Key • Comes from the vendor or someone who give the OS. Normally it is place at the cover of the CD.

  32. Computer Name Organizations / Workgroup • Put the unique computer name eg. your name • Put the organization as simple as possible eg. home or office. • Put the workgroup as simple as possible eg. tesda or lsgh or anhs

  33. Firewall Configuration stage • Select On the firewall or the tab which indicated as RECOMMENDED.

  34. Internet configuration stage • Select skip. Please note that the LAN card is not yet configure so there is no chance that you can connect directly to the internet/network at this stage.

  35. Creating Prime User • You must create prime user account other than administrator in order to continue the installation. Use user account as simple as possible eg. User1.

  36. Device Driver installation • Manual and automatic installation. Before installation please visit the device manager tab – to view the hardware components device software installed or not. • Automatic installation. Place the CD device software installer in to the CDROM Drive then wait until it prompt then follow screen instructions. • Manual installation. It is recommended for trouble shooting / isolation purposes.

  37. Printer installation • For old printers such as dot matrix etc. Connect the printer cable to the system unit’s printer port. Connect the power cord to the outlet then switch ON the printer. • Insert the CD printer installer. Allow the System to detect the printer. Install the printer driver software automatic or manual technique.

  38. Cable Configurations and Networking

  39. Sharing the Printer • After installing the printer’s driver software there will be an icon created inside the printer/fax tab icon in the control panel. • Locate the appropriate printer’s name then right click. Click the sharing security, then click OK.

  40. ACRONYMS • ATX – Advance Technology Attachment • RAM – Random Access Memory • SDRAM – Synchronous Dynamic Random Access Memory • DRAM – Dynamic Random Access Memory • EDO RAM – Extended Data Output Random Access Memory

  41. SIMM – Single Inline Memory Module • DIMM – Double Inline Memory Module • RIMM – Rambus Inline Memory Module • AT – Advance Technology • USB – Universal Serial Bus • IEEE – Institute of Electrical and Electronics Engineer • OHS – Occupational Health and Safety

  42. BIOS – Basic Input Output System • ISA – Industry Standard Architecture • PCI – Peripheral Component Interconnect • EISA – Extended Industry Standard Architecture • VESA – Video Electronics Standard Association • IDE – Integrated Drive Electronics • SCSI – Small Computer System Interface • CMOS – Complementary Metal-Oxide Semiconductor • ROM – Read Only Memory • DDR – Double Data Rate • CPU – Central Processing Unit • UDMA – Ultra Direct Memory Access

  43. 10’ S • Sort • Sanitize • Sweep • Systematize • Self Discipline • Sustain • Safety • Separate • Standard • Save the Environment

  44. Electronic Symbols • Resistor • Variable resistor • Capacitor • Variable capacitor • Coil or Inductor

  45. Diode • Zener diode • Loud speaker • Crystal oscillator • Transistor

  46. Transformer • Fuse • Relay • Battery • Microphone • Posistor

  47. Integrated Circuit • Ground Chasis • Ground System • Switch ( SPST) Single Pole Single Throw • Switch ( SPDT) Single Pole Double Throw

  48. Switch ( DPST) Double Pole Single Throw • Switch ( DPDT) Double Pole Double Throw • Rotary Switch Single Pole (4 positions) • Rotary Switch Double Pole (4 positions)

  49. Oral Question and Acceptable Answer

  50. Set A

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