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Some Common problems in system :

MONITOR LED IS BLINKING

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

CONTINUOS THREE BEEPS

Problem in RAM Connection.

THREE BEEPS ( 1 Long 2 Short)

Problem in Display Card Connection

THREE LONG BEEPS PERIOD WISE

Problem in BIOS or RAM (Basic Input Output System)

CONTINUOS NON-STOP BEEPING

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

FDD LED IS GLOWING CONTINUOSLY

Data cable to be connected properly (twisted cable).

NO DISPLAY ON THE SCREEN AT ALL

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

POWER LED IS OFF

Check main power cord
Check S.M.P.S.
Check Mother Board connection

SHOWING CMOS ERROR

Replace 3 Volt battery of Mother Board . Set Original Settings Manually.(Refer CMOS Setup chart)
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SHOWING FDD ERROR OR FLOPPY DRIVE IS NOT WORKING PROPERLY

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

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.

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.

DANCING SCREEN

Check Display card connection
Virus Problem
Video Memory Problem

SHAKING SCREEN

Earthing problem
Magnetic waves comes around.

CPU CABINET SHOCK

Check Earthing
Check main power cord.

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.

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

Enable and Disable automatically running CD-ROM
Thursday, December 11th, 2008 | Author: admin

When you insert a CD-ROM disk, your CD-ROM drive always runs automatically for the default setting (autorun CD-ROM). We have a tip to disable running your CD-ROM drive whereas you can enable it running again as you want. This tutorial will teach you to enable or disable running CD-ROM drive by editing a registry. Follow these steps.

Click Start > Run.

In the Run dialog, type regedit and press Enter.

In the Registry Editor window, Go to the path like below, HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Cdrom

Now you can see the AutoRun DWORD in the right panel, double click on it.

Change the Value data to 0 for disabling automatically running CD-ROM, then click OK. If you want it to automatically run again, you must fill 1 value in the Value data.

Close Registry Editor window and reboot your computer.

Test it by inserting your CD-ROM disk. Now your computer does not automatically runs your disk.

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