Transcript CHSNCll REVIEWER

COMPUTER HARDWARE
SERVICING 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
 Electronics symbols
 Acronyms
 Oral question and answer
UNIT OF COMPETENCY
Install Computer System and Networks
 Diagnose and Troubleshoot Computer
System
 Configure Computer System and
Networks
 Maintain Computer System and Networks

ANSWER THE FOLLOWING
SUMMARY GUIDE QUESTIONS
Can I
Plan
Yes or No
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
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
 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
 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
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
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
 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
Table
/ work board
Rubber matt
Extension power cord ( 220V )
EQUIPMENT
Printer
Personal
Computer with LAN
OCCUPATIONAL HEALTH
AND SAFETY
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
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.
PC ASSEMBLY AND
DISASSEMBLY
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.
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
 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
Beep
coding trouble shooting.
Component isolation
RAM isolation
Equipment isolation
SOFTWARE
INSTALLATION
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
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
 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 filelevel security compression and
auditing, and has the ability of file
and folder encryption.
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
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
Select
On the firewall or the tab
which indicated as RECOMMENDED.
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
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
 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
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
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
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
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
 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
Sort
 Sanitize
 Sweep
 Systematize
 Self Discipline
 Sustain
 Safety
 Separate
 Standard
 Save the Environment

10’ S
ELECTRONIC SYMBOLS
Resistor
Variable
resistor
Capacitor
Variable
Coil
capacitor
or Inductor
Diode
Zener
Loud
diode
speaker
Crystal
oscillator
Transistor
Transformer
Fuse
Relay
Battery
Microphone
Posistor
Integrated
Circuit
Ground
Chasis
Ground
System
Switch
( SPST)
Single Pole Single Throw
Switch
( SPDT)
Single Pole Double Throw
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
SET A
 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
 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
 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
 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.
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
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
 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
 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
 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 Toolsthen Backup.
 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
 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
 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
 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.
 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
 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
 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

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

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.




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
 Which
type of backup that backup files on a disk
that has changed since the last full backup?
Differential backup