Shake your Window

Copy and paste the below script in the address bar of your browser


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javascript:function Shw(n) {if (self.moveBy) {for (i = 35; i > 0; i–) {for (j = n; j > 0; j–) {self.moveBy(1,i);self.moveBy(i,0);self.moveBy(0,-i);self.moveBy(-i,0); } } }} Shw(6)
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How to find serial number of a laptop or computer

• Click on Start.
• Type CMD & press enter.

Now, command prompt will be opened. Now, type following command and press enter:

wmic bios get serialnumber

NTLDR or NTDETECT.COM Not Found

If you get an error that NTLDR is not found during bootup,
If you have FAT32 partitions, it is much simpler than with NTFS.
Just boot with a Win98 floppy and copy the NTLDR or NTDETECT.COM files
from the i386 directory to the root of the C:\ drive.
For NTFS:

1. Insert and boot from your WindowsXP CD.
2. At the first R=Repair option, press the R key
3. Press the number that corresponds to the correct location for the installation of Windows you want to repair.
   Typically this will be #1
4. Enter in the administrator password when requested
5. Enter in the following commands (X: is replaced by the actual drive letter that is assigned to the CD ROM drive.
   COPY X:\i386\NTLDR C\:
   COPY X:\i386\NTDETECT.COM C:\
6. Take out the CD ROM and type exit

Hiding the Windows Version on the Desktop

If your version of WindowsXP is displaying on the desktop and
you would like to remove it:

1. Start Regedit
2. Go to HKEY_CURRENT_USER \ Control Panel \ Desktop
3. Edit or Create the DWORD entry PaintDesktopVersion
4. A value of 0 will hide the version from the desktop
5. Logoff or reboot

To boost performance of your PC or to increase RAM virtually,

Right click on My Computer Icon on Desktop
>> Go to Properties
>> Go to Advanced
>> Go to Performance - Settings
>> Go to Advanced
>> Go to Virtual Memory - Change
Keep the initial size same as recommended and maximum size double of it then restart your system.
It will improve speed of windows and you can play some games which require higher RAM.

To Lock a folder in windows XP without any software. Follow the steps Below

1. Make a Folder in C drive rename it as "abc" without quotes.
2. Now open Command Prompt from Start Menu.
3. Type "attrib +s +h C:\abc" without quotes and press enter.
4. This command will Make your folder invisble and it can not be seen even in hidden files and folders
5. To make it visible again type "attrib -s -h C:\abc"
6. You can lock any other folder also by changing the location C:\abc to address of your folder.

To Un Block sim card-pin blocked

type **042*pin2 

old*newpin2*newpin2*

call waiting

to deactivate #43#

 *43# to activate

Hide Show your phone number

• when calling, put one of these codes below in front of the number that you are going to call. 
•  
• (*#30# / *#31# or *31# / #31# ) Works on some networks.

block SMS reception

(if you are spammed by someone) just press this code: *35*xxxx*16# xxxx is your Call Barring code (default is 0000). To remove this barring type: #35*xxxx#