How to find model number of HP laptop ?

Press Fn key + Esc key

After 1 second, a dialog box will appear with HP system information.

Win 7 : How to do scroll lock if the key doesn't exists on keyboard ?

• Go to Start > All Programs > Accessories > Ease of Access > On-Screen Keyboard.
• When the on-screen keyboard appears on your screen, click the slk button.
• To close the on-screen keyboard, click the X in the upper-right corner of the on-screen keyboard.
  

What is the use of telnet command ?

telnet command is used to check if a port is open in your network.

telnet [Domain_name or IP] [Port]

Example

telnet myapp-beta-final.com 80

In Windows : If a  blank screen  appears without an error message, means connection is successful, Otherwise not.

If telnet service is not available, enable it :

• Go to Control panel > Programs > Turn Windows features on or off
• Enable Telnet Client
• Click OK

In Linux : You will get status Connected. You can exit by pressing Ctrl + ]

Trying 10.106.200.116...

Connected to myapp-beta-final.com.

Escape character is '^]'.

How to get the path of temporary internet files ?

Get path of temporary internet files in your PC

  1. In browser, go to internet options.

  2. Click on settings... button under history section.

  3. Check the current location / path for the temporary internet files.

  4. Click on the View files... button.

How to share a Drive with other PC on a network ?

Sharing a drive on network 

First you need to start the following two services : 
Control Panel ---> Administrative Tools ---> Services
    1. Computer Browser
    2. Server
then start both the services.

After that go to your hard-drive and right click on the folder which you want to share.

Under Sharing tab, provide permissions to everyone and click apply 
Then from other system, type \\ipaddress in run and you will be able to access that drive.

How to associates a path with a drive letter (Win 7) ?

Associating a path to a virtual drivesubst drive: path

Example : Associating a path C:\Users\Shaan\Downloads to drive letter F:

subst F: C:\Users\Shaan\Downloads

Deleting the association

subst drive1: /D

Example : subst F: /D

How to associates a path with a drive letter (Win 7) ?

Associating a path to a virtual drivesubst drive: path

Example : Associating a path C:\Users\Shaan\Downloads to drive letter F:

subst F: C:\Users\Shaan\Downloads

Deleting the association

subst drive1: /D

Example : subst F: /D

How to use ping commang ?

ping command tells you if the connection between your computer and a particular domain is working correctly.

> ping  -t  192.168.0.1

If the results show a series of replies, the connection is working. The time shows you how fast the connection is.

If you see a "timed out" error instead of a reply, there is a breakdown somewhere between your computer and the domain.

Switches

Option	Usage
-t	Ping the specifed host until interrupted
-a	Resolve addresses to hostnames
-n count	Number of echo requests to send
-l size	Send buffer size
-f	Set Don't Fragment flag in packet
-i	TTL Time To Live
-v	TOS Type Of Service
-r count	Record route for count hops
-s count	Timestamp for count hops
-j host-list	Loose source route along host-list
-k host-list	Strict source route along host-list
-w timeout	Timeout in milliseconds to wait for each reply

How to use use multiple Google Talk ?

STEPS 

1) Right click on the Google Talk shortcut.

2) Click on Properties.

3) Go to Shortcut tab on Google Talk properties window.

4) On the Target textbox, add in the /nomutex to the end of the line so that it looks like below (or you can simply copy and paste the below syntax and replace the original).

      “c:\program files\google\googletalk\googletalk.exe” /nomutex

5) Click on OK.

How to use multiple logins to Yahoo Messenger

You can login with multiple ID's on the same Yahoo messenger without any download or patch.

STEPS

1. Go to Start -> Run. Type regedit, then enter .2. Navigate to HKEY_CURRENT_USER ---> Software --> yahoo -->pager -->Test

3. On the right page , right-click and choose new Dword value .

4. Rename it as Plural.

5. Double click and assign a decimal value of 1.

Its done!!

Now close registry and restart yahoo messenger and try Multiple Login.

How to lock your Private folder ?

Lock your private folder

Suppose you want to lock the folder movies which has the path "D:\movies".

In the same drive create a text file and type command

> ren movies movies.{21EC2020-3AEA-1069-A2DD-08002B30309D}

Now save this text file as loc.bat

Create another text file and type in it

> ren movies.{21EC2020-3AEA-1069-A2DD-08002B30309D} movies

Now save this text file as key.bat

Now you can see 2 batch files loc and key.

• Press loc and the folder's content would no longer be visible.
• Press key and you will get back your original folder.

This way you can keep any folder locked and create a key when you wish to open it or keep the key hidden.

How to bypass the Recycle Bin when deleting files ?

 

• If you are absolutely sure you want to delete a file, why send it to the Recycle Bin? 
• To delete a file or a group of files, select them
• Press Shift+Delete. Press “Yes”.

Create your own shortcuts

• Right click the shortcut icon of a program (in the desktop or preferably in the start menu) and click Properties. 
• Select the Shortcut tab and Type Ctrl + Alt + W (provide any shortcut key here).  
• You can only make Ctrl + Alt shortcuts, by the way. 
• Press OK !

Getting Volume icon in taskbar

Start menu > Control panel > Sound, Speech, and Audio Devices.

Click Sounds and Audio Devices to launch the Sound and Audio Devices properties.

On the Volume tab, locate the text labeled "Device Volume" and place a check mark next to the text labeled "Place volume icon in the taskbar"

Click Apply.

You should now have the volume icon in the taskbar.

Now all you need to do is double-click this icon to open Volume Control panel.

How to Rename the Recycle Bin ?

• Go to Start > Run and type "regedit". Press enter.
• Go to key : HKEY_CLASSES_ROOT/CLSID/{645FF040-5081-101B-9F08-00AA002F954E}
• and change the name "Recycle Bin" to whatever you want.

How to stop the CD recorder from automatically ejecting the CD ?

 

• Open My Computer. Right-click the CD recording drive, and then click Properties.
• On the Recording tab, clear the Automatically eject the CD after writing check box.

How to disable CD Autorun ?

• Click Start > Run and Type GPEDIT.MSC and Press enter.
• Go to Computer Configuration, Administrative Templates, System.
• Locate the entry for Turn autoplay off and modify it as you desire.

How to get On screen keyboard ?

Go to Start > Run, then Type "osk" and click OK.

How to get IP address of your PC ?

• Go to Start > Run, Type "cmd"
• Type 'ipconfig' at command prompt. (Add the '/all' switch for more info)

Make your desktop icons transparent

• Go to Control Panel > System, > Advanced > Performance area > Settings button
• In Visual Effects tab, select "Use drop shadows for icon labels on the Desktop"