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Common errors in your computer 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
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.
4
Problem
CONTINUOS NON-STOP BEEPING
Solution
Key Board Problem (I.e.; Some Key is pressed for Longer time)
5
Problem
POWER LED IS OFF
Solution
  • Check main power cord
  • Check Mother Board connection
6
Problem
SHOWING CMOS ERROR
Solution
Replace 3 Volt battery of Mother Board . Set Original Settings Manually
7
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.
8
Problem
SHOWING HDD ERROR OR HARD DISK FAILURE
Solution
  • 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.

Problem
MOTHER BOARD HANGS DUE TO UNSTABILIZED POWER SUPPLY
Solution
  • RAM not functioning properly.
  • Software problem (due to using pirated software)
  • CPU fan not functioning properly. 
10
Problem
DANCING SCREEN
Solution
  • Check Display card connection
  • Virus Problem
  • Video Memory Problem
11
Problem
SHAKING SCREEN
Solution
  • Earthing problem
  • Magnetic waves comes around.
12
Problem
CPU CABINET SHOCK
Solution
  • Check Earthing
  • Check main power cord.
13
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
14
Problem
MISSING COMMAND INTERPRETOR
Solution
May be the file Command.com is corrupted OR Infected by Virus OR Some one has Erased it.
15
Problem
SHOWING I/O ERROR
Solution
The type of Hard Disk in CMOS may not be set properly.
Operating system used for formatting is not valid
16
Problem
HARD DISK MAKING NOISE WHILE PROCESSING
Solution
  • Unstabilized power supply.
  • Check for Loose Contact.
  • Bad Sector OR Weak Hard Disk.
17
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)
18
Problem
HARD DISK NOT DETECTED
Solution
  • Check Power Connector
  • Check Data Cables
  • Check Jumpers
19
Problem
WINDOWS REGISTRY ERROR
Solution
This will happen due to sudden ON/OFF of the system. Final solution is to Reinstall Operating System.


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