Check if java is installed

folks, Java virtual machine which makes software platform independent. many java based application pre-requisites java virtual machine be installed in pc. you can check if java is installed on your pc or you can also check which version of java is installed. you can check it by a simple command in dos command prompt. This is how you can do this...

1. win + r to open "run" box.
2. type "cmd" and press enter.
3. then simply type "java -version"

Common Keyboard Shortcuts

Keyboard shortcut is used bye proficient pc user to do work faster. here is list you can use ...

Key combination	Function
Alt+Enter	Display properties for the selected item
Alt+Esc	Cycle through items in the order in which they were opened
Alt+F4	Close the active item, or exit the active program
Alt+Spacebar	Open the shortcut menu for the active window
Alt+Tab	Switch between open items
Alt+underlined letter	Display the corresponding menu
Alt+underlined letter	Perform the menu command (or other underlined command)
Alt+Up Arrow	View the folder one level up in Windows Explorer
Ctrl with any arrow key+Spacebar	Select multiple individual items in a window or on the desktop
Ctrl+A	Select all items in a document or window
Ctrl+Alt+Tab	Use the arrow keys to switch between open items
Ctrl+C (or Ctrl+Insert)	Copy the selected item
Ctrl+Down Arrow	Move the cursor to the beginning of the next paragraph
Ctrl+Esc	Open the Start menu
Ctrl+F4	Close the active document (in programs that allow you to have multiple documents open simultaneously)
Ctrl+Left Arrow	Move the cursor to the beginning of the previous word
Ctrl+Mouse scroll wheel	Change the size of icons on the desktop
Ctrl+Right Arrow	Move the cursor to the beginning of the next word
Ctrl+Shift	Switch the keyboard layout when multiple keyboard layouts are enabled
Ctrl+Shift with an arrow key	Select a block of text
Ctrl+Shift+Esc	Open Task Manager
Ctrl+Up Arrow	Move the cursor to the beginning of the previous paragraph
Ctrl+V (or Shift+Insert)	Paste the selected item
Ctrl+X	Cut the selected item
Ctrl+Y	Redo an action
Ctrl+Z	Undo an action
Delete (or Ctrl+D)	Delete the selected item and move it to the Recycle Bin
Esc	Cancel the current task
F1	Display Help
F10	Activate the menu bar in the active program
F2	Rename the selected item
F3	Search for a file or folder
F4	Display the address bar list in Windows Explorer
F5 (or Ctrl+R)	Refresh the active window
F6	Cycle through screen elements in a window or on the desktop
Left Alt+Shift	Switch the input language when multiple input languages are enabled
Left Arrow	Open the next menu to the left, or close a submenu
Right Arrow	Open the next menu to the right, or open a submenu
Right or Left Ctrl+Shift	Change the reading direction of text in right-to-left reading languages
Shift when you insert a CD	Prevent the CD from automatically playing
Shift with any arrow key	Select more than one item in a window or on the desktop, or select text within a document
Shift+Delete	Delete the selected item without moving it to the Recycle Bin first
Shift+F10	Display the shortcut menu for the selected item
Win + Tab	Cycle through programs on the taskbar by using Aero Flip 3-D

Make bootable CD/DVD using PowerISO

1. Run PowerISO.
2. Click on the "New" button on toolbar or choose  the "File > New > Data CD / DVD Image" menu.
3. Click on the "Add" button on toolbar to add files and folders. You can also directly drag files and folders from Windows Explorer to the PowerISO window.
4. Choose the menu "Action > New Folder" to create a new folder.
5. Choose the menu "Action > Change Label" and put new label name..
6. Choose the menu "File > Properties" to set the iso file properties.
7. Click on the "Save" button on toolbar, or click on the "File > Save As..." menu.
8. Choose the menu "Action > Boot > Add Boot Information" to load a bootable image file.
9. Save the iso file to "Standard ISO Images (*.iso)" format.
10. To make bootable CD, please burn the iso file to a blank CD / DVD disc.

How to add application to startup

Most of the autorun application (gtalk,Yahoo messanger,Email application, antivirus etc) add itself to startup during installation, some time we may need our own application to be added to starup, so that it starts automatically when we logon to the system.
A applicaiton can be added to starup in following ways...

Method 1:

Simply add a shortcut of the program to starup folder. follow the steps below.
Click the Start button , click All Programs, right-click the Startup folder, and then click Open.

1. Open the location that contains the item to which you want to create a shortcut.
2. Right-click the item, and then click Create Shortcut. The new shortcut appears in the same       location as the original item.
3. Drag the shortcut into the Startup folder.

Method 2:

To add the desired application into the registry telling it to start when Windows loads. To do that you need to create a registry entry, which is very simple. Open the notepad and create a new text document adding this into it

[HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionRun] "Name of the application"="/"C:\Programname.exe""

Then save the document as .reg extension and Run (Double click) the file.

Removeing entry from add/remove menu

Sometime even after uninstalling software from add/remove program,it shows up in add/remove program list, this can be removed by tweeking registry.

·    Got to Start Menu and type "Run" in the Search Box.

·    Type "regedit" and Click "OK".

·    In the "Registry Editor", search and Locate HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Uninstall.

·    Open the Key and Search for the Application based on the name in the Sub Keys.

·    Some of them will be the Hexa Decimal Form.

·    Once you find the Application Name, right Click it and Select "Delete". Some of the Keys have Hexa Decimal Value, then in that case check the value "Display Name" Under the key to identify the Application.

·    Click "Yes" to Delete the Application.

·    Close the "Registry Editor" and Click "File" Menu and Select "Exit".

remove entry from boot menu

 Well, unnecessary boot entry may happen when we make our pc dual boot (one maybe xp and other being win7 or whatever ) and when one gets corrupted we may want to remove operating system from boot menu at startup.

This can be done in very simple steps you can remove useless entry from Boot.ini

1) Click Start, then Run 

2) In Run box type 'msconfig' and press 'OK'

3) Then, select BOOT.INI tab.

4) Now, choose appropriate boot entry and press delete button.

Note: when selecting appropriate boot entry, you can confirm it by path specified in the entry itself.

How to clear clipboard in windows environment

How to clear clipboard in windows environment?

Clearing clipboard become necessary sometime with working on multiple text processing program and multiple machine working through remote desktop or any remote connectivity software. In some cases window will show working saying clipboard is full.

To clear clipboard simply..

1    1. Press Win+R to get “run” dialog box.

2    2. Type   cmd /c "echo off | clip"

3    3.  Press  ok.

Protect your system files

System files are heart of our PC; they must be protected and should be intact at any cost for proper functioning of system. With growing use of internet and use of various software tools and utilities download make our pc vulnerable to alteration of system files. It is good idea to check and verify system files periodically as health checkup.

System File Checker is a utility in Microsoft Windows that allows users to scan for and restore corruptions in Windows system files. This utility is available on Windows 98,Windows 2000, Windows XP, and Windows Server 2003. Windows Vista, although in the Windows NT family of operating systems, scans files using Windows Resource Protection.

System file checker options are..

To check and repair any corruption use /SCANNOW option. This may ask for windows installation CD if cache is not set for system file protection.

C:\>SFC  /SCANNOW

This will check for any alteration of system files immediately and will restore the file if any alteration seems to happen.