Common errors in PC and possible solutions

1	Problem MONITOR LED IS BLINKING Solution Check all the connections like Monitor Cable, Data cables, RAM, Display Card , CPU connections.
2	Problem CONTINUOS THREE BEEPS Solution Problem in RAM Connection.
3	Problem THREE BEEPS ( 1 Long 2 Short) Solution Problem in Display Card Connection
4	Problem THREE LONG BEEPS PERIOD WISE Solution Problem in BIOS or RAM (Basic Input Output System)
5	Problem CONTINUOS NON-STOP BEEPING Solution Key Board Problem (I.e.; Some Key is pressed for Longer time)
6	Problem FDD LED IS GLOWING CONTINUOSLY Solution Data cable to be connected properly (twisted cable).
7	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.
8	Problem POWER LED IS OFF Solution a Check main power cord b Check S.M.P.S. c Check Mother Board connection
9	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
10	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.
11	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.
12	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.
13	Problem DANCING SCREEN Solution a Check Display card connection b Virus Problem c Video Memory Problem
14	Problem SHAKING SCREEN Solution a Earthing problem b Magnetic waves comes around.
15	Problem CPU CABINET SHOCK Solution a Check Earthing b Check main power cord.
16	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.
17	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
18	Problem MISSING COMMAND INTERPRETOR Solution May the file Command.com is corrupted OR Infected by Virus OR Some one has Erased it.
19	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
20	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.
21	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.
22	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)
23	Problem HARD DISK NOT DETECTED Solution a Check Power Connector b Check Data Cables c Check Jumpers
24	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.
25	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).
26	Problem WINDOWS REGISTRY ERROR Solution This will happen due to sudden ON/OFF of the system. Final solution is to Reinstall Operating System.
27	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.
28	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.