General Trouble Shooting
S.N.
|
Problem
|
Problem causes
|
Probable Solution
|
No display in computer screen
|
1) Loose connection of monitor cable with
display card.
2) Display card not fixed properly in
memory slots
3) Memory chips not fixed properly in
memory slots
4) Processor not fixed properly in CPU
slots
5)
Resolution of monitor is set up in very high resolution which is not
supported by your monitor. (in win 95/98 program)
6) May be due to defect of display card.
7) Power supply does not supply prepare
voltage.
8) May due to defective monitor.
9) Mother board defected.
10)
Sometime due to reverse connection of data cable with HDD (Data cable nfO{
pN6f] hf]8]df)
|
1)
Connect monitor cable properly with display card port.
2)
Fix display card properly in display card slots and check for display.
3)
Fix memory chips properly in memory slots and recheck for display.
4)
Fix processor properly and check for display
5)
Start your in computer in safe mode and reduce the resolution set up then
check.
6)
Change display card and check.
7)
Change power supply and check for display.
8)
Check display by fitting on the working monitor, if so, repair your monitor.
9)
Check by changing your mother board. If so, change your board.
10)
Due to this reason display problem comes rarely still check for it by
checking connection of HDD.
|
|
2.
|
Display comes but not clear as required
or expected
|
1) Improper
installation of display driver. Due to high resolution setting of monitor
which is not supported by monitor.
|
1) Check
for installed display driver if it is not same with your display card chipset
that install exact display driver which is same your display card chipset.
2) Restart
your computer in safe mode and set resolution in low order.
|
3.
|
Continues beeping sound comes when
computer is switched on and display doesn't come.
|
1) Memory chips do
not fix properly in memory slots.
2) Memory slots in mother board is defective.
|
1) Check for it and
if so, fix properly and restart your computer for elimination of sound and
display
2) For that you may
have to change your motherboard
3) Check and fix it
properly, and check either the problem is solved or not
4) Check by changing
your display card. If the problem is solved change your display card.
|
4.
|
Floppy drives power LED glows continuously
and FDD does not work
|
1)
Data cable of FDD may have fitted reverse direction
|
1) Check
it and connect data cable in proper direction.
|
5.
|
FDD error
(Floppy Disk Error)
|
1) Data cable of FDD may have fitted in reverse
direction
2) Power supply port is not fitted in FDD
3) I/O card loose fitting or I/O card may be
defective.
|
1) Check it and
connect data cable in proper direction
2) Check and connect
power port of FDD
3) Check and do
necessary (change I/O card if it is found defective.
|
6.
|
FDD not reading
|
1) Diskette you are
using may be defective
2) Improper setting
of FDD type in CMOS utility program
3) Data ;to dirt
inside FDD (contaminitation in read/write head of FDD)
4) FDD read/writes
head etc. may damage.
|
1) Check by changing
your good quality diskette.
2) Check Fdd type in CMOI Program and it is
does not match set it with proper type of FDD.
3) Clean FDD head by
FDD cleaning diskette and check
4) Lubricant moving
assembly and check
5) For it you have
to change your FDD
|
7.
|
Hard Disk Drive (HDD) fail
|
1) Data cable not
connected properly
2) Data cable connected
in reverse side
3) Power cable not
connected HDD
4) I/O card loosely
connected (in 486, 686 etc. model computer)
5) Improper jumper
setting HDD (for Master and Slave)
6) Improper setting
of HDD type in CMOS
7) HDD may have
damaged/crashed itself.
|
1) Check for loose
connection and restart your computer for verification
2) Check it and if
so, connect it in proper direction
3) Proper direction
4) Connect power
cable to power connector port
of HDD
5) Fix I/O card
properly
6) Define properly
HDD type in CMOS setup
7) Check and fix
jumper in proper way
8) If HDD has been
crashed you can listen some unusual sound form your computer check properly
then change your if it has crashed.
|
8.
|
Memory fetch fail
|
1) Due to improper fixing
memory chips ;in memory slots
2) Due to
mismatching of memory chips (different types memory chips used)
3) Due to defect of
memory slots in motherboard
4) Defected memory
chips
|
1) Fix memory chips
properly
2) Use same type of
memory chips
3) If memory slots
is damaged must probably you have to change your motherboard
4) For that you have
to change memory chips
|
9.
|
Processor does not detected properly (eg.
speed of processor etc)
|
1) Improper jumper
setting of motherboard in 486 and old models of Pentium Motherboards
2) Improper
selection/speed of setting of CPU in CMOS utility program
3) Motherboard may
not supported your rated CPU
|
1) Refer manual of
motherboard and set jumper properly
2) Set
selection/speed of CPU in CMOS utility program properly
3) You can very it
by studying motherboard manual, if so change your motherboard which support
your CPU
|
10.
|
Computer Restart itself
|
1) Power supply unit
does not regulate voltage properly
2) May be due to
voltage in fluctuation
3) Memory modules
may be defective
4) HDD is full with
data and programs
5) Mother board may
be defective
6) CPU cooler is not
working properly
7) Processor may be
defective
|
1) Check output for
power supply port and if found so, repair power supply or change it
2) If voltage
fluctuation is very high in your house battery to use voltage regulator and
UPS
3) Change memory
modules
4) Delete your
unnecessary files and data in your drive and vacant some space in your drive
5) Change your
motherboard
|
11.
|
Computer hang problem
|
1) Improper settings
of peripherals in CMOS
2) Virus infection
in your programs and documents
3) Memory may be
defective of mismatch of memory modules
4) Conflict of one
peripheral with other peripherals
5) Due to improper
power out put from power supply port
6) Improper
installation of drives of peripherals
7) Insufficient
memory in our systems per required by your programs
8) Insufficient disk
space in your HDD
9) CPU collar not
working properly
10)Due to
motherboard
11) Not compatible
peripherals with motherboard used (e.g. sound card, display card, modem etc.)
12) Mismatching of
VRAM and PCI display card
13) May be corrupted
programs files. Or programs installed improperly
14) Bad Sector in
HDD
15) Due to few
specific games and software installed in your computer
16) Due to defective
mouse and keyboard
17) Desktop
resolution of monitor set in higher range
|
1) Set all
parameters properly in CMOS
2) Scan your all
drives latest Virus scanner
3) Use Same types of
memory modules and change them that we are found defective
4) Check it in your
device manager menu and try to remove conflict by installing proper drivers,
changing IRQ setting etc.
5) Check it repair
your power supply or change it
6) Install proper
drives of peripherals
7) Upgrade your
memory to which capacity as per required by your program
8) If there is no
sufficient free space in your HDD, that also your computer may hang for that
delete unnecessary programs in your disk and make space free to run programs
9) Change your CPU collar
10) Change your motherboard
11) Use compatible cards
12) Use matching type of VRAM
13) Reinstall program properly
14) Try to remove bad sectors by software
program otherwise change your drive
15) Remove those programs
16) Change your keyboard and mouse
17) Change that setting in lower order
|
12.
|
Computer slow problem
|
1) Insufficient
memory required by your programs
2) In sufficient
free disk space in your hard disk
3) Due to virus
infection
4) Lower speed
processor in your system
5) Too many programs
in your same time
6) Lost of program
kept in start up
7) Cache memory
disable in CMOS program
8) Low video memory
in display card
|
1) Upgrade your
memory
2) Delete
unnecessary files and programs otherwise change your drive
3) Scan your drive
with least virus scanner
4) Upgrade to latest
model of processor
5) Do not run too
many programs at the same time
6) Remove few
programs start up
7) Enabled cache
memory in CMOS
8) Use display card
with high video memory
|
13.
|
Mouse hand (no defection of mouse)
|
1) Conflict in
computer ports settings
2) Cables for ports
not connected properly in motherboard
3) Dust to conflict
in COM ports
4) Mouse defective
|
1) Install computer ports
properly
2) Connect cables
properly
3) Service it properly
4) Change your mouse
|
14.
|
Modem not working
|
1) Modem not connected
properly
2) Due to conflict
in COM ports
3) Modem driver not
installed properly
4) Conflict with
other devices
|
1) Connect Modem
properly
2) Configure COM
ports properly like mouse ctc.
3) Install modem
driver properly
4) Try to remove
conflict by changing IRQ setting
|
15.
|
Sound not coming or sound coming but not
as expected quality
|
1) Connection of
sound card with speaker is not proper
2) Due to conflict
in COM Ports
3) Conflict with
other devices
|
4) Connect speaker
properly
5) Fix sound card
properly
6) Install sound
card driver properly
7) Try to remove
conflict by changing IRQ settings.
|
16.
|
CD-ROM drive not working
|
1) Improper jumper
setting
2) Dirt in lens of
drive
3) Driver software
cannot installed properly
4) Due to improper
connection of data cable in between hard disk and CD-ROM drive
5) Power cable not
connected properly in the drive
6) CD-ROM drive
defect itself
|
1) Set jumper
properly
2) Clean drive with
lens cleaner CD
3) Install driver
properly
4) Connect cable
properly
5) Connect power
cable properly
6) Change the drive
|
17.
|
CD's not reading properly in drive
|
1) Due to scratched
CD
2) Lens of driver is
dirty
3) Speed of driver
is low
4) Due to defect of
drive
5) Lens of drive
function partially
|
1) Use good quality
CD
2) Clean with lens
cleaner CD
3) Use high speed
drive
4) Change the drive
|
18.
|
Video CD's not playing properly (jockey
picture, hang etc.)
|
1) Video memory and
display card is less
2) Not enough free space in HDD
3) No MMX technology
in CPU
4) Sing peg is not
installed
5) Display card does
not function properly for VCD
6) VCD not reading
properly by CD ROM Drive
|
1) Use display card
with the high capacity video memory (at least 4 MB etc.)
2) Delete
unnecessary files in HDD and make more space free
3) Use CPU with MMX
technology
4) Install Xing peg
5) Change display
card
6) Change with good
quality CD
7) Change CD ROM Drive
|
19.
|
Printer does not print
|
1) Printer drive not
installed properly
2) Connection of
printer cable may loose
3) Printer port
cable may looser may be connected reversibly in motherboard. (or I/O card is loosely
fitted 486, 686 computer)
4) Printer is not
online (offline)
5) Paper guide
direction of printer is not selected properly or, not selected the same
direction in which you are feeding the paper
6) Defect printer
port, printer cable or data switch you are using
7) Power does not on
in printer
8) some other fault
in printer
|
1) Installed printer
properly
2) Connect tightly
3) Make connection
properly
4) Set printer in
online
5) Select it in the
same direction in which you are feeding paper
6) Change it which
one is found defective
7) Repair power
supply of printer
8) Repair printer
properly
|
20.
|
Color Problem in Monitor
|
1) Pin in monitor
cable (which is fitted in display port) is bent or damaged
2) Due to defective
display card
3) Due to
incapability of display card
4) Due to defective
monitor
5) Due to magnetic
induction near to the monitor (like keeping speaker near to the monitor)
|
1) Make it proper
2) Change it
3) Use compatible
display card
4) Repair monitor
5) Keep this items
little far from monitor
|
21.
|
No power on while switching on computer
|
1) Improper
connection of power cable etc.
2) Power on switch
defective
3) Power supply
defective
|
1) Connect it
properly
2) Repair or change
it
3) Repair power
supply
|
22.
|
Non system disk error when booting
|
1) No system files
in your HDD or no system diskette in FDD 2) If there is any diskette inserted
in FDD in which there is no system files
|
1) Transfer system
files in HDD
2) Remove diskette
from Fdd
|
23.
|
Windows Protection Error
|
1) Due to conflict
of different peripherals to one another
2) Telephone cable
connected wrongly there port of modem
3) Telephone line
dead
|
1) Try to remove
conflict by installing proper drivers or may have to change few peripherals
if not solved by software
2) Connect it
properly
3) Check phone line
and correct it
|
24.
|
Fatal Error Exception
|
1) CPU cooler is
not working proper and heat the processor
Due
to memory problem
|
1) Change CPU cooler
2) Change memory
modules
|
25.
|
Illegal operation problem
|
1) Due to software not installed properly
or corrupted software files
|
1) Reinstall particular software properly
|
26.
|
No. menu bar
|
1)
Due to virus infection
|
1) Scan your HDD with latest virus
scanner
|
27.
|
Press F1 key to continue when computer is
Run
|
1) Improper setting in CMOS setting
|
1) Check CMOS Setting
BIOS change CMOS battery
|
28.
|
Document cannot save
|
1)
Due to virus infection
|
1) Scan HDD with latest virus scanner
|
29.
|
Modem is not found
|
1) Due to virus
2) Due to not enough
free space in HDD
3) Due to conflict
with other devices
4) Due to defect of
Modem
|
1) Scan your HDD
with latest Virus Scanner
2) Delete
unnecessary files in HDD
3) Try to remove the
conflict by changing IRQ setting or by installing drivers properly, or you
may have to change some other peripherals also
4) Change Modem
|
30.
|
No dial tone is there through Modem
|
1) Telephone cable
is not connected in modem
2) Telephone cable
connected wrongly there in port of modem
3) Telephone line is
dead or Due to defect of Modem
|
1) Connect
telephone cable
2) Change Modem
|
31.
|
Windows that down problem
|
1) Virus infection
2) Due to corrupt of
windows file.
3) Parameter setup
wrongly file
4) Problem in HDD
|
1) Scan your HDD
with latest virus scanner
2) Re-Install windows
3) Set it properly
4) Check HDD by scan
disk program and try to repair otherwise you have to change HDD
|
32.
|
Dial up connection problem
|
1) Not proper
setting of modem
2) Dial up adapter
in Win95/98 and TCP/IP protocols not installed
3) Modem problem
|
1) Set it properly
2) Install all these
3) Check and change
it
|
33.
|
Disk boot failure
|
1) CMOS setting
improper specially HDD type FDD type etc.
2) No system files
are there in HDD
|
1) Set it properly
2) Transfer system
files HDD
|
34.
|
CMOS setting change itself
|
1) CMOS battery low
2) CMOS battery is
not charged by motherboard
|
1) Change CMOS
battery
2) For that your
battery have to changed the motherboard.
|
