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Friday 15 March 2013

Common Errors in PC & There Solution

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

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)
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10. SHOWING FDD ERROR OR FLOPPY DRIVE IS NOT WORKING PROPERLY
Check Power cord of FDD , Data Cables , set CMOS & Finally the Check drive.

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. Earthing problem
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. (Every Device requires driver utility to set active
Problem in BIOS or RAM (Basic Input Output System)

Tuesday 12 March 2013

Windows OS Versions

win 98.2000 - 5.0
---------------------
xp - 5.1
---------------------
xp 64

server 2003 - 5.2

server 2003 r2
---------------------

vista

server 2008 - 6.0
-----------------------
server 2008 r2

windows 7  - 6.1
-------------------------
windows 8

server 2012 - 6.2
------------------------

Friday 8 March 2013

exe run every time administrator - in windows vista,windows 7 ,8 and server 2008

exe - -right click - properties -comparability - every time run as administrator
SQL Database Create and query execuate in cmd

Start - Run-
osql -E
use master
go
create database selva(database name)
go
exit

chk db is created

for multi instance systems
------------------------------
osql.exe -E -S .\SQLExpress

query execute
-------------

sqlcmd -s sys41\sqlexpress -i C:\fees.sql -d selva

before using command prompt u have share sql server - pipe and tcp/ip
Windows Task Manager - File, Options, View, etc. are gone

Double-click on the outside border of the window to get back the MENU bar. This will help you.
 How To Install Character Map,Disk Cleanup,Disk Fragment in server 2008 - R2 

Open Server manager;
    Go to Features Summary then click Add Features;
    Select Desktop Experience, click Next and Install;
    Reboot (duh!) as suggested;
    You have Character Map in Accessories -> System Tools.
Convert FAT To NTFS

CONVERT [driveletter]: /FS:NTFS.

Thursday 7 March 2013

system instand speed up

C:/windows/system32/tree and search out tree.exe and run it one by one more than 10 times.

after do this system performance improve - nothing but clear your ram cache thats all
Improve Windows XP Shutdown Speed

Go to Start then select Run
Type 'Regedit' and click ok
Find 'HKEY_CURRENT_USER\Control Panel\Desktop\'
Select 'WaitToKillAppTimeout'
Right click and select 'Modify'
Change the value to '1000'
Click 'OK'
Now select 'HungAppTimeout'
Right click and select 'Modify'
Change the value to '1000'
Click 'OK'
Disable All Beep Sounds in computer

1..Start - Run - Regedit

Go to HKEY_CURRENT_USER\Control Panel\Sound

Edit the key Beep and give it a value of No

2..Start - Run -devmgmt.msc- view - show hidden devices - non plug and play drivers

  beep - prop - disable
Disable Unnecessary Services in windows

Alerter
Clipbook
Computer Browser
Distributed Link Tracking Client
Fast User Switching
Help and Support - (If you use Windows Help and Support leave this enabled)
Human Interface Access Devices
Indexing Service
IPSEC Services
Messenger
Net meeting Remote Desktop Sharing (disabled for extra security)
Portable Media Serial Number
Remote Desktop Help Session Manager (disabled for extra security)
Remote Procedure Call Locator
Remote Registry (disabled for extra security)
Remote Registry Service
Secondary Logon
Routing & Remote Access (disabled for extra security)
Server
SSDP Discovery Service - (Unplug n' Pray will disable this)
Telnet
TCP/IP Net BIOS Helper
Upload Manager
Universal Plug and Play Device Host
Windows Time
Wireless Zero Configuration (Do not disable if you use a wireless network)
Workstation



To disable these services:

Go to Start and then Run and type "services.msc"
Doubleclick on the service you want to change
Change the startup type to 'Disable"

Every Admin Should Know These Commands Active Directory 1.   To quickly list all the groups in your domain, with members, run this c...