The "Registry Editor" window would open. There, navigate to: My Computer\HKEY_LOACAL_MECHINE\SYSTEM\CurrentControlSet\Control\ContentIndex In the right pane of the window, search for ""Startup Delay" key.

When you double click on "Startup Delay", a popup window, titled "Edit DWORD Value" would show up. There in the "Base" section, click on "Decimal". You would see the default figure for "Value Data" comes as "480000". Change this figure to "40000" and click on "OK" Close the Registry Editor, reboot your PC, and there you are, your computer boots in just few seconds.

Here is a way through which you can change the speed of your Opera browser drastically. Open Opera browser and in the "Tools" menu, select "Preferences" and click on it. In the "Preferences" window that opens up, under the "Advanced" tab, in the "Network" section, click on "server name completion" In the "Server name completion" window that opens uncheck "Look for Local network machine" and "Try name completion, using" and then click on "OK" for both the windows. Restart your browser to enjoy a new speed while surfing!