Common errors in PC and possible solutions

Problem	MONITOR LED IS BLINKING
Solution	Check all the connections like Monitor Cable, Data cables, RAM, Display Card , CPU connections.

Problem	CONTINUOS THREE BEEPS
Solution	Problem in RAM Connection.

Problem	THREE BEEPS ( 1 Long 2 Short)
Solution	Problem in Display Card Connection

Problem	THREE LONG BEEPS PERIOD WISE
Solution	Problem in BIOS or RAM (Basic Input Output System)

Problem	CONTINUOS NON-STOP BEEPING
Solution	Key Board Problem (I.e.; Some Key is pressed for Longer time)

Problem	FDD LED IS GLOWING CONTINUOSLY
Solution	Data cable to be connected properly (twisted cable).

Problem	NO DISPLAY ON THE SCREEN AT ALL
Solution	Hard Disk cable connected wrongly. Connect rightly seeing the Red mark (Faces power supply) and then Restart.

Problem

POWER LED IS OFF

Solution

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

Problem	SHOWING CMOS ERROR
Solution	Replace 3 Volt battery of Mother Board . Set Original Settings Manually.(Refer CMOS Setup chart) Enter your search termsSubmit search form

Problem	SHOWING FDD ERROR OR FLOPPY DRIVE IS NOT WORKING PROPERLY
Solution	Check Power cord of FDD , Data Cables , set CMOS & Finally the Check drive.

Problem

SHOWING HDD ERROR OR HARD DISK FAILURE

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.

Problem

MOTHER BOARD HANGS DUE TO UNSTABILIZED POWER SUPPLY

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.

Problem

DANCING SCREEN

Solution

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

Problem

SHAKING SCREEN

Solution

a	Earthing problem
b	Magnetic waves comes around.

Problem

CPU CABINET SHOCK

Solution

a	Check Earthing
b	Check main power cord.

Problem

NON-SYSTEM DISK ERROR

Solution

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.

Problem	MISSING OPERATING SYSTEM
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

Problem	MISSING COMMAND INTERPRETOR
Solution	May the file Command.com is corrupted OR Infected by Virus OR Some one has Erased it.

Problem

SHOWING I/O ERROR

Solution

a	The type of Hard Disk in CMOS may not be set properly.
b	Operating system used for formatting is not valid

Problem

SHOWING DIVIDE OVER- FLOW MESSAGE

Solution

a	May some Directories or Files crash with other files.
b	Use CHKDSK/F or SCANDISK Command to correct it.

Problem

HARD DISK MAKING NOISE WHILE PROCESSING

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.

Problem	HARD DISK HANGS WHILE PROCESSING
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)

Problem

HARD DISK NOT DETECTED

Solution

a	Check Power Connector
b	Check Data Cables
c	Check Jumpers

Problem	PARTITION NOT SHOWN
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.

Problem	MMX/DLL FILE MISSING
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).

Problem	WINDOWS REGISTRY ERROR
Solution	This will happen due to sudden ON/OFF of the system. Final solution is to Reinstall Operating System.

Problem

DISPLAY COLOUR DOES NOT MATCH

Solution

a	Configure Display Card properly with their CD.
b	The Standard setting for Windows is set it to 800x600 for better performance.

Problem	UNKNOWN DEVICE FOUND
Solution	May the Driver utility is not provided with operating system . Insert Driver CD and install software for the above Device. (Every Device requires driver utility to set active.