Some Common PC Errors and their Solutions....

1. MONITOR LED IS BLINKING Check
all the connections like Monitor
Cable, Data cables,RAM, Display
Card , CPU connections.
2. CONTINUOUS THREE BEEPS
Problem in RAM Connection.
3. THREE BEEPS ( 1 Long 2 Short)
Problem in Display Card
Connection
4. THREE LONG BEEPS PERIOD WISE
Problem in BIOS or RAM (Basic
Input Output System)
5. CONTINUOUS NON-STOP BEEPING
Key Board Problem (I.e.; Some Key
is pressed for Longer time)
6. FDD LED IS GLOWING
CONTINUOUSLY Data cable to be
connected properly (twisted
cable).
7. NO DISPLAY ON THE SCREEN AT
ALL Hard Disk cable connected
wrongly. Connect rightly seeing
the Red mark (Faces power
supply) and then Restart.
8. POWER LED IS OFF
a. Check main power cord
b. Check S.M.P.S.
c. Check Mother Board connection
9. SHOWING CMOS ERROR
Replace 3 Volt battery of Mother
Board . Set Original Settings
Manually.(Refer CMOS Setup
chart)Enter your search terms.
Submit search form.
10. SHOWING FDD ERROR OR
FLOPPY DRIVE IS NOT WORKING
PROPERLY
Check Power cord of FDD , Data
Cables , set CMOS & Finally the
Check drive.
11. SHOWING HDD ERROR OR HARD
DISK FAILURE
a. Check Power Cord
b. Check connection of HDD
c. Check Data cable
d. Check Hard Disk parameters in
CMOS or Auto detecting Setting
Partitions by Fdisk Command,
thenformat it to set track 0.
12. MOTHER BOARD HANGS DUE TO
UNSTABILIZED POWER SUPPLY
a. Check S.M.P.S
b. RAM not functioning properly.
c. Software problem (due to
usingpirated software)
d. CPU fan not functioning
properly.
13. DANCING SCREEN
a. Check Display card connection
b. Virus Problem
c. Video Memory Problem
14. SHAKING SCREEN
a. Earthing problem
b. Magnetic waves comes around.
15. CPU CABINET SHOCK
a. Check Earthing
b. Check main power cord.
16. NON-SYSTEM DISK ERROR
a. Floppy Drive having different
disk (Non-Bootable Disk) OR CMOS
Parameters for Hard Disk may not
be set properly.
b. Hard Disk Partitions may not be
created.
c. Hard Disk may not be formatted
17. MISSING OPERATING SYSTEM
The System files missing namely
Ie; command.com} -User File
IO.SYS & MS_DOS.SYS } - Hidden
Files. These above three files
required for Start up of the
system that can be transferred by
using SYS C: Command OR While
the time of formatting by using
Format c:/u/s
18. MISSING COMMAND
INTERPRETOR
May the file Command.com is
corrupted OR Infected by Virus
ORSome one has Erased it.
19. SHOWING I/O ERROR
a. The type of Hard Disk in CMOS
may not be set properly.
b. Operating system used for
formatting is not valid.
20. SHOWING DIVIDE OVER- FLOW
MESSAGE
a. May some Directories or Files
crash with other files.
b. Use CHKDSK/F or SCANDISK
Command to correct it.
21. HARD DISK MAKING NOISE
WHILE PROCESSING
a. Unstabilized power supply.
b. Check for Loose Contact.
c. Do not use Y Connectors for
Hard Disk.
d. It may create Bad Sector OR
Weak Hard Disk.
22. HARD DISK HANGS WHILE
PROCESSING
Check for Bad Sector by using
CHKDSK or SCANDISK Command. If
found format the Hard Disk and
set Partition before that area.
(Thisis the only procedure to use
Hard Disk with Bad Sector) OR (To
avoidBad Sectors use Standard
Power Supply)
23. HARD DISK NOT DETECTED
a. Check Power Connector
b. Check Data Cables
c. Check Jumpers
24. PARTITION NOT SHOWN
Operating System where the Hard
Disk formatted is not supported
with present Mother Board. For
Eg: Hard Disk formatted with
Pentium System will hide their
partitions for 486 System.
25. MMX/DLL FILE MISSING
May the above files may be
corrupted due to power failure
orVirus. Make available above files
from other Computer. OR Reinstall
Windows 98 Operating System.
(This procedure will not make
anyeffect on existing Data).
26. WINDOWS REGISTRY ERROR
This will happen due to sudden
ON/OFF of the system. Final
solution is to Reinstall Operating
System.
27. DISPLAY COLOUR DOES NOT
MATCH
a. Configure Display Card properly
with their CD.
b. The Standard setting for
Windows is set it to 800x600 for
better performance.
28. UNKNOWN DEVICE FOUND
May the Driver utility is not
provided with operating system .
Insert Driver CD and install
software for the above
Device.....