BIOS (Basic Input-Output System - Basic Input-Output System) - is a small program intermediary between the components (physical items) and PC operating system.BIOS built into the motherboard of your computer.
main opportunity to enter the BIOS there is a user, usually only one brief moment - for a few seconds after turning on the computer when the computer boots.On the screen (usually at the bottom) at this point appears: ": BIOS Setup", "Press DEL to enter setup" or similar.
to enter the BIOS in most cases must be within the specified time, press the keyboard button Delete (Del).In some cases, instead of the Delete key is required at this point, press Esc, Ins, or F2, rarely -
F1 or F10.There are also version of BIOS, to enter that need to press two or three different keys simultaneously.Usually on the screen in the above boot time specified exactly which keys you need to press to enter the BIOS.
After entering the BIOS must be set using the keyboard arrow keys to choose "Download» ("Boot") and press Enter.Then you, the same way, select the subsection "Extended settings» ("Advanced BIOS Features") and then - "The boot sequence» ("Boot device Priority", "Boot device Select", "Boot Sequence" or a similar name).
further user action depends on the reason why Windows will not start:
If the cause is that the computer tries to load Windows is on the hard drive where it is installed, it must be in "first boot device»(" First Boot Device ") to specify" Hard Drive »(" HDD "," IDE "," Hard Drive ").
If the reason is that the operating system is damaged or not working properly, you need to insert the Windows installation disc in your computer and in "first boot device" to indicate "CD / DVD-ROM".
You must then select the action "Save the settings and exit» ("Save and Exit Setup"), or the first press on the keyboard button Esc, then select "Exit» ("Exit") and then "Save and exit".
In the first case, the next time you turn on the computer's operating system is loaded.In the second case, when the computer will run the installation CD of Windows, and to find and fix bugs in the operating system will need to follow the instructions that appear on the screen.