Turn off your laptop. If you have a Sony with the latest models then to go into the BIOS, at boot press the F2 key. If necessary, enter the password. In some models the actual pressing F2, but it more applies to the older versions. In very rare models found in F3. Not be superfluous to familiarize with the specification of the motherboard.
To do this, look labelling in device Manager. To do this using the menu item "start", right-click the mouse on the "My computer". You will appear on the screen, a new small window with the settings of the laptop and the operating system. On the tab "Hardware" select "device Manager".
Find in the list your motherboard, remember its model, search the Internet, how is it will be right to get into the BIOS on this model. If you have no opportunity. try to find the right one for your computer combination by trial and reading the manuals that come in the kit.
If you have a laptop Dell old models, use the shortcut F2+ Esc, or some other key that is displayed on the monitor screen when the computer boots. If you have a laptop Dell Studio, then try the key combination Esc+F1.
To get into the BIOS Toshiba laptop, use the same method as in the previous paragraph (Esc+F1), however, note that some models support the startup BIOS when you press F8.
If you have a laptop Packard-Bell, Gateway, be sure to see what is written on the boot screen, try, use the earlier working a combination of Esc+F1, Esc+F2.
Some Acer use pressing a combination of three keys – Alt+ctrl+Esc. For rare models of Dell and HP is typical press F3 to access the BIOS.
Be careful when changing settings, and their future preservation.
Write down the combination access to your laptop for the future.