Computer Hardware Servicing

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Information about Computer Hardware Servicing

Published on March 16, 2010

Author: aSGuest40650



Slide 1: Computer Hardware Servicing NC II Agenda : Agenda Unit of competency Summary questions Inventory Occupational Health and Safety Disassembly and Assembly of PC Software installations Computer configurations Slide 3: Device driver installation Cabling configurations Networking Electronics symbols Acronyms Oral question and answer Unit of Competency : Unit of Competency Slide 5: Install Computer System and Networks Diagnose and Troubleshoot Computer System Configure Computer System and Networks Maintain Computer System and Networks Slide 6: Answer the Following Summary Guide Questions Slide 7: 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 Can I Yes or No Slide 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 Slide 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 Slide 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 Important To Remember : Important To Remember Filled up the Following : 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 INVENTORY : INVENTORY Materials : 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 TOOLS : 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 WORK AREA : WORK AREA Table / work board Rubber matt Extension power cord ( 220V ) Equipment : Equipment Printer Personal Computer with LAN Occupational health and safety : Occupational health and safety OHS : 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 Slide 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. Slide 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. PC ASSEMBLY AND DISASSEMBLY : PC ASSEMBLY AND DISASSEMBLY PC Assembly : 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. Slide 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 PC disassembly : 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. Basic Trouble Shooting : Basic Trouble Shooting Beep coding trouble shooting. Component isolation RAM isolation Equipment isolation Software Installation : Software Installation CMOS/BIOS/POST Configurations : 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. Partitioning the Hard disk drive : 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. Formatting the Hard disk drive : 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. Product Key : Product Key Comes from the vendor or someone who give the OS. Normally it is place at the cover of the CD. Computer Name Organizations / Workgroup : 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 Firewall Configuration stage : Firewall Configuration stage Select On the firewall or the tab which indicated as RECOMMENDED. Internet configuration stage : 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. Creating Prime User : 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. Device Driver installation : 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. Printer installation : 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. Cable Configurations and Networking : Cable Configurations and Networking Sharing the Printer : 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. ACRONYMS : 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 Slide 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 Slide 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 10’ S : 10’ S Sort Sanitize Sweep Systematize Self Discipline Sustain Safety Separate Standard Save the Environment Electronic Symbols : Electronic Symbols Resistor Variable resistor Capacitor Variable capacitor Coil or Inductor Slide 45: Diode Zener diode Loud speaker Crystal oscillator Transistor Slide 46: Transformer Fuse Relay Battery Microphone Posistor Slide 47: Integrated Circuit Ground Chasis Ground System Switch ( SPST) Single Pole Single Throw Switch ( SPDT) Single Pole Double Throw Slide 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) Oral Question and Acceptable Answer : Oral Question and Acceptable Answer Set A : Set A Slide 51: You have just installed Windows 98. During testing , it fails to start after the “starting Windows 98 “ message appear. What should you do to troubleshoot this problem? Name at least two ways. a. Type Win/D:M add the command prompt to start windows. b. Press F8 when Windows restarting and select safe mode Slide 52: You have configured a dual boot system consisting Windows 98 in FAT 32 partition and Windows 2000 using NTFS partition. You check your Windows 2000 installation and it looked good. However, when you boot to Windows 98 you can not see the files in the NTFS partition. What might be the source of the problem? Windows 98 is not compatible with NTFS Slide 53: You successfully install Windows 2000 Professional and you want to check your drives for errors. Name one way of checking for errors. Disk Defragmenter. Open control panel, click administrative tool, click computer management and within the storage tab click disk defragmenter Slide 54: You want to setup a dual boot scenario between Windows 98 and Windows 2000. How would you do this? Partition your hard drive. Install Windows 98 first. And install Windows 2000 to the second partition. Slide 55: A customer complains that his hard disk is making lots of noise. After examining the computer and hearing the noise for your self, you notice that high pitch noise seems to be coming from the fan in the power supply. Which component should be replaced? Power Supply What part of HP Laser printer is malfunction if you receive a “50 service error”? FUSER Slide 56: A customer complains that he can’t get his computer to work. When she turn it on, she gets no video and hears a series of beeps. The beeps are in the sequence of one long beep, then two short beeps. You tell the customer to bring the machine in. Upon further examination you are able to identify the problem. What should be your next step? What is the error? Replace the video card be sure that it is tighten Slide 57: What is indicated by a “201” error at system start up? Bad memory. Most of the error begins with 2 indicate memory error of some sort. What two command files are used by DOS to configure the computer? Autoexec.bat and Config.sys Slide 58: You install a newly purchase sound card into your computer, but upon rebooting you find that the new device is not recognized by the system. Moreover, your modem, which has always worked perfectly, has stopped functioning. What is probably the problem? The sound card is using the same IRQ as the modem What is the correct way to use the protocol utility IPCONFIG in a Windows 2000 environment? Choose start, click run and type cmd then press enter key. At the command prompt type IPCONFIG Slide 59: Transmission Control Protocol/Internet Protocol (TCP/IP) is a collection of protocols that help manage the internet communication. Each computer running TCP/IP must have a unique IP address assigned to it. What is an IP address? Describe the format? An IP address is set of four numbers, each of which must be from 0 to 255. What is the correct sequence to start Windows 2000 backup program? Choose start-Programs-then Accessories- then System Tools- then Backup. Slide 60: You’ve setup a network whereby each computer act as a client and a server and in which each user shares each other’s resources, including printers. What is the correct term for such arrangement? Peer to peer networking Sending and receiving electronic mail (e-mail) is a common benefit of the internet. Assuming a user has access to the internet on a properly configure PC. What is before a user can begin using e-mail? E-mail account and e-mail client Slide 61: What is the name of the executable file for Microsoft Backup for DOS? For Windows 3.x? MSBACKUP.EXE What would you type at a DOS command line to start the Microsoft Anti-Virus? Type MSAV at the command prompt. What program in the control panel can be used to create a startup disk.? Add/Remove Programs Slide 62: What is the final option in the Configure Screen menu? Compatibility test The MSBACKUP Program in DOS receives its settings from what file? SET file Set B : Set B Slide 64: Which Windows NT 4.0 utility should you use after installing a new hard drive to make usable? Disk Administrator Which is the proper command to install Windows 2000 recovery console as a startup option in the CD Rom in drive E? E:\i386\winnt32.exe /cmdcons. During the Windows 2000 setup, you are ask to choose between NTFS file system and the FAT filesystem. Can you site disadvantage on NTFS? NTFS is more sophisticated file system however it is not compatible with DOS. Slide 65: After the successful upgrading to Windows 2000, what should you do with the temporary files generated during the setup process? Nothing. Because all generated temporary files are automatically remove during the process. You are preparing the computer for dual booting between Windows 98 and 2000. Your drive is partitioned, and Windows 98 is already installed. What should be your next step? You must choose FAT for Windows 2000 partition Slide 66: Which of the following is not the Windows 2000 key Boot file? Why? Autoexec.bat – This is the key boot for Windows 3.1 and 9X are not necessary for Windows 2000 What is the most likely cause of a paper jam on a dot matrix printer? Obstructed paper path Slide 67: HP printer laser jet III printer is not printing at all. The computer indicates that the “device on LPT1 is not ready” You perform a service self test o the printer and it prints on the page of vertical lines with no problem. The front panel self test does not work, however which component do you suspect is giving you the problem The Formatter A computer is experiencing random reboots and phantom problems that disappear after reboot . What should you do? Open the cover and reset all cards and chips Slide 68: Using either a Windows 9X or Windows 2000 workstation, what components do you need to connect to a Microsoft network server? Protocol, client and adapter You are enable file and printer sharing on your Windows 9X system. You must now specify how security will be handled. What could be the options? Share level Access Control and User level control A Windows 9x workstation includes default support for what network OS/client types? MS Windows Networking and Novell’s Netware within a Windows 9x workstation, clients are provided for Microsoft and Novell Network Slide 69: What is the third element required to configure a Windows 2000 system as a network client? A client, an adapter, and ______? Protocol What would you need to do to create a new dial-up networking (DUN) connection within a Windows 9x system? Choose: Start-Programs-Accessories: choose and click Dial up networking then double click Make new connection. Or double click My computer icon on the desktop then click dial up networking. Slide 70: What would you use to map a network drive in both Windows 9x and Windows 2000? Map network Drive What type of back up involves selecting the files you want to back up as well as when you want them to backup? Custom backup There are several pieces of backup hardware that are currently available. Of the following, which is not valid backup hardware? Stationary hard disk Slide 71: Which type of backup that backup files on a disk that has changed since the last full backup? Differential backup

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