The Most Common Pc errors and best Solutions

Some common PC errors and

their solutions..

1. MONITOR LED IS BLINKING Error and Solution

Check all the connections like Monitor
Cable, Data
cables,RAM, Display Card , CPU
connections.

2. CONTINUOS THREE BEEPS Error and Solution

Problem in RAM Connection.

3. THREE BEEPS ( 1 Long 2 Short) Error and Solution

Problem in Display Card Connection

4. THREE LONG BEEPS PERIOD WISE Error and Solution

Problem in BIOS or RAM (Basic Input
Output System)

5. CONTINUOS NON-STOP BEEPING Error and Solution

Key Board Problem (I.e.; Some Key is
pressed for
Longer time)

6. FDD LED IS GLOWING CONTINUOSLY Error and Solution

Data cable to be connected properly
(twisted cable).

7. NO DISPLAY ON THE SCREEN AT ALL Error and Solution

Hard Disk cable connected wrongly.
Connect rightly
seeing the Red mark (Faces power
supply) and then
Restart.

8. POWER LED IS OFF Error and Solution

a. Check main power cord
b. Check S.M.P.S.
c. Check Mother Board connection

9. SHOWING CMOS ERROR Error and Solution

Replace 3 Volt battery of Mother Board .
Set Original
Settings Manually.(Refer CMOS Setup Error and Solution
chart)
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10. SHOWING FDD ERROR OR FLOPPY

DRIVE IS NOT

WORKING PROPERLY Error and Solution

Check Power cord of FDD , Data Cables ,
set CMOS &
Finally the Check drive.

11. SHOWING HDD ERROR OR HARD DISK

FAILURE Error and Solution

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, then format it to set track 0.

12. MOTHER BOARD HANGS DUE TO

UNSTABILIZED

POWER SUPPLY Error and Solution

a. Check S.M.P.S
b. RAM not functioning properly.
c. Software problem (due to using pirated software)
d. CPU fan not functioning properly.

13. DANCING SCREEN Error and Solution

a. Check Display card connection
b. Virus Problem
c. Video Memory Problem

14. SHAKING SCREEN Error and Solution

a. Earthing problem
b. Magnetic waves comes around.

15. CPU CABINET SHOCK Error and Solution

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 Error and Solution

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 Error and Solution

May the file Command.com is corrupted
OR Infected
by Virus OR Some one has Erased it.

19. SHOWING I/O ERROR Error and Solution

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 Error and Solution

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 Error and Solution

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 Error and Solution

Check for Bad Sector by using CHKDSK
or SCANDISK
Command. If found format the Hard
Disk and set Partition before that area.(This is the
only procedure
to use Hard Disk with Bad Sector) OR
(To avoid Bad
Sectors use Standard Power Supply)

23. HARD DISK NOT DETECTED Error and Solution

a. Check Power Connector
b. Check Data Cables
c. Check Jumpers

24. PARTITION NOT SHOWN Error and Solution

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 Error and Solution

May the above files may be corrupted
due to power
failure or Virus. Make available above
files from other
Computer. OR Reinstall Windows 98 Operating
System. (This procedure will not make
any effect on
existing Data).

26. WINDOWS REGISTRY ERROR Error and Solution

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 Error and Solution

b. The Standard setting for Windows is
set it to
800x600 for better performance.

28. UNKNOWN DEVICE FOUND Error and Solution

May the Driver utility is not provided
with operating
system . Insert Driver CD and install
software for the
above Device...