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Troubleshooting – 28 Common Errors in your Computer

1.    MONITOR LED IS BLINKING – Check all the connections like monitor cable, data cables, RAM, display card and CPU connections.fear_what__s_under_the_keys_by_johnstrieder
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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 with BIOS or RAM (Basic Input Output System).

5.    CONTINUOUS NON-STOP BEEPING – Key board problem (i.e. some keys are pressed in too long).

6.    FDD LED IS GLOWING CONTINUOUSLY – Data cable is to be connected properly (twisted cable).

7.    NO DISPLAY ON THE SCREEN – Hard disk cable connected incorrectly. Connect correctly, seeing the red mark (faces power supply) and then Restart.

8.    POWER LED IS OFF – Check main power cord. Check S.M.P.S. 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 term Submit search form.

10.    SHOWING FDD ERROR OR FLOPPY DRIVE IS NOT WORKING PROPERLY – Check power cord of FDD, data cables, set CMOS and finally check the drive.

11.    SHOWING HDD ERROR OR HARD DISK FAILURE  – Check power cord. Check connection of HDD. Check data cable. 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 – Check S.M.P.S. RAM not functioning properly. Software problem (due to using pirated software). CPU fan not functioning properly.

13.    DANCING SCREEN – Check display card connection. Virus problem. Video memory problem.

14.    SHAKING SCREEN – Earthing problem. Magnetic waves.

15.    CPU CABINET SHOCK – Check earthing. Check main power cord.

16.    NON-SYSTEM DISK ERROR  – Floppy drive having different disk (non-bootable disk) or CMOS parameters for hard disk may not be set properly. Hard disk partitions may not be created. Hard disk may not be formatted.

17.    MISSING OPERATING SYSTEM – The system files missing namely le;command.com} – User File IO.SYS & MS_DOS.SYS} – Hidden files. These three files are required for Starting up of the system that can be transferred by using SYS C:Command or take the time of formatting by using c:/u/s.

18.    MISSING COMMAND INTERPRETOR – The file Command.com may be corrupted or infected by a virus or it has been deleted.

19.    SHOW I/O ERROR – The type of hard disk in CMOS may not be set properly. Operating system used for formatting is not valid.

20.    SHOWING DIVIDE OVER-FLOW MESSAGE  – Some directories or files clashing with other files. Use CHKDSK/F or SCANDISK Command to correct it.

21.    HARD DISK MAKING NOISE WHILE PROCESSING – Unstabilized power supply. Check for loose contact. Do not use Y connectors for hard disk. 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 avoid bad sectors using Standard Power Supply.

23.    HARD DISK NOT DETECTED – Check power connector. Check data cables. Check jumpers.

24.    PARTITION NOT SHOWN – Operating System, where the hard disk is formatted, is not supported with present mother board, e.g. hard disk formatted with Pentium System will hide their partitions for 486 systems.

25.    MMX/DLL FILE MISSING – The above files may be corrupted due to power failure or virus. Make these files available from another computer or re-install Windows 98 Operating System. (This procedure will not affect the existing data).

26.    WINDOWS REGISTRY ERROR – This will happen due to sudden ON/OFF of the system. Final solution is to re-install Operating System.

27.    DISPLAY COLOUR DOES NOT MATCH – Configure Display card properly with their CD. The Standard setting for Windows is set to 800×600 for better performance.

28.    UNKNOWN DEVICE FOUND – The driver utility may not be provided with the operating system. Install software for the above device.

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