How To Solve Some Common PC Problem?

Here some common PC errors and the solutions for them...

1. MONITOR LED IS BLINKING;-

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

 2. CONTINUOS 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. CONTINUOS NON-STOP BEEPING:-

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

6. FDD LED IS GLOWING CONTINUOSLY:-

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 termsSubmit 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.

Also Read:The Program Can’t Start Because MSVCR120.dll Is Missing 

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, then format 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 using pirated 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. Earthingproblem

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 OR Some 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.(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:-

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 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:-

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...

Note: I am not a professional, I wrote this article based on computer problems that i faced with its probable solition