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How to Troubleshoot A hardware of a Computer System.

How to
Troubleshoot A hardware of a Computer System.
Here are some
step’s on how to troubleshoot your computer hardware ,Note that the step’s are
further broken down into the simplest form , that even A primary school student
can understand it in step by step way, So kindly follow the step’s(from 1 -10)
gradually carefully, hope you gain from it….
And don’t forget
to always visit our site 
Alitech(alitechzy.tk) for more related post ,let go but before that you
may Also like to know Step By step ways on how to Troubleshoot the IDE on a computer
Which we discuss
about some days back …

OBJECTIVE
 1. Unplug The
Keyboard.
2. Unplug The
Mouse.
3. Disable The L2
Cache.
4. Unplug The
Video Card.
 5. Unplug The Ram.
6. Unplug The FDD
Interface Cable.
 7. Unplug The Power To FDD, CD-ROM , HDD , and
The Mother Board.

RESOURCES
 1. PC-compatible
desktop /tower computer system
 2. Fault hardware components:-user supplied
fault hardware components (defective mouse, defective DIMM module, defective
FDD cable ,defective power connector)

DISCUSSION
 This lab will
familiarize you with some of the error associated with bad devices. You will
receive different messages from the computer depending on which device has a
problem .You will explore a fault with IDE connectivity various no –signal
problems
Procedure/Steps
. 1. Establish the “halt on”
setting in the
cmos setup
utility
 (a) Turn ON the PC
 (b) Press the DELETE key to enter the CMOS setup Utility
 (c) Press the ENTER key to enter the Standard CMOS setup
 (d) Change the Halt On: setting to All errors, and press the ESC key
(e) Press the F10 key and ENTER key to save the change and exit the CMOS Setup Utility .
 2. Keyboard
(a) Verify that the PC is off; if it is not, shut it down.
 (b) Unplug the keyboard connector from the
back of the PC as shown in Figure 4-1
(c) Put on the PC
 (d) Record your observation about any error
given in Table4-1
 (e) Put off the PC
(f) Plug in the keyboard .
 3. Mouse
Figure 4-2: Unplug
the Mouse
 Unplug the mouse connector from the back of
the PC as shown in Figure 4-2
(a) Plug in the faulted mouse
 (b) Put on the PC
(c) Let the PC boot to Windows XP desktop
(d) Move the mouse and record
your observation in Table 4-2
(e) Make sure that “Shut Down”
is selected from the Start button
(f) Click on Turn Off to put
off the PC
(g) Replace the original mouse
. 4. L2 Cache
(a) Turn on the PC and press DELETE to enter CMOS setup
(b) Use the arrow keys to
browse to L2 Cache, usually in Advance
settings

NOTE: the L2 Cache is sometimes
called the External Cache
(c) Disable L2 Cache by
pressing the +/- key or by pressing ENTER
and using the arrow keys
 (d) Save settings and exit CMOS Setup
 (e) Boot the PC to Windows XP
(f) Record your observation in
Table4-3
(g) Restart the PC and enter
CMOS Setup as before
(h) Repeat Steps b-d, only this
time, Enable L2 Cache
 (i) Put off the PC .
 5. Video card
 (a) Remove the side panel of the PC
 (b) Unplug any external connection to the
video card
 (c) Unscrew the mounting screw of the video
card
(d) Pull the card out of the
slot, either a PCI or AGP slot as shown in Figure 4-3
(e) Turn the PC on and record
you observation in Table 4-4
(f) Put off the PC
 (g) Replace the Video card in it’s slot
 (h) Replace the mounting screw.
 (i) Replace any external connection.

Figure 4-3: Unplug
the Video Card
.
 6. Ram
 (a) Unplug All the external memory from the
motherboard. Be careful with the clamps on the ends of the memory slot as shown
in Figure 4-4
Figure4-4 Unplug
Memory
 (b) Insert the faulted memory
(c) Put on the PC on and record
your observation in Table 4-5



(d) Put off the PC
(e) Replace the memory in their
original slot
 7. Fdd interface
 (a) Unplug the floppy-disk
interface at the end connected to the floppy drive as shown in Figure 4-5
Figure 4-5: Unplug
Floppy Interface
 (b) Plug in the faulted floppy interface
(c) Put ON the PC
 (d) Record you observation in Table 4-7
 (e) Put off the PC
 (f) Replace the floppy drive power connector
to it’s original location
8. Cd -rom power
 (a) Unplug the power connector to the CD-ROM
as in Figure 4-6. Don’t unplug the interface cable
 (b) Put ON the PC
Figure 4-6:CD-ROM
Connection
 (c) If the hard drive and CD-ROM are on the
same cable, record the error of the non-booting system in Table 4-8. Skip to
Step i
(d) Once Windows has boot up,
move the mouse and double-click on My
Computer
(e) Record the icon listed on
the right in Table 4-9



(f) Close My Computer by
clicking the X in the top right part of the Window.
(g) Shut down Windows by
clicking Start/Shut Down and Turn Off.
(h) Put off the PC and replace
the CD-ROM power connector into it’s original location
9. HDD power
 (a) Unplug the power connector
to the HDD as in Figure 4-7.
(b) Put on the PC on and record
your observation in Table 4-10
(c) Put off the PC and replace
the HDD power connector
Figure 4-7: Hard
Drive Connections
 10. Motherboard
 (a) Unplug the motherboard power connector to
the HDD as in Figure 4-8
(b) Put on the PC on and record
your observation in Table 4-11
(c) Put off the PC and replace
the motherboard power connector
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Kindly share your testimony on
these post with your friends by using the comment box ,we remain loyal Alitech
@www.Alitechzy.tk.
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