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I was using desktop running on a 64 bit Windows 7 professional, I trying to enter BIOS to check the virtualization setting, when I boot or restart my desktop, before enter Windows, I don't see any screen or instruction to entering BIOS.

I wonder is it I didn't install BIOS on the machine or? How can I check whether BIOS exist or it is come together upon installing mother board driver? Please advise.

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The BIOS isn't something you install, it's stored in a ROM chip on the motherboard. A machine without a BIOS cannot boot. – Wyzard Nov 1 '11 at 6:43
Hello and welcome to the 1990s! We don't use ROM chips nowadays. ☺ If poor old sams5817 picks up xyr mainboard and looks over it for a ROM chip, xe won't find the right chip, if xe indeed finds any ROM at all. – JdeBP Nov 1 '11 at 8:18
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Agree, but why xe? – Dehumanizer Nov 1 '11 at 8:32
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4 Answers

up vote 3 down vote accepted

Every computer motherboard has BIOS installed on it, but it may be hard to see what key you need to press to enter the BIOS itself.

Traditionally, the "Delete" key or one of the "F1-F12" are designated to take you into the BIOS.

If you know the motherboard model you can also check the documentation on the manufacturer's web site.

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up vote 4 down vote

It's impossible to boot machine and enter windows without BIOS (if it's not an EFI). Anyway when your computer just started to boot press DEL or INSERT key, on some boards it may be F(x) key, most of all F8.

Oh, I just found a BIOS for you! :)

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up vote 2 down vote

You should check your internet cable, the signals may affect on BIOS, sometimes it is impossible even type something on keyboard. Make sure you have installed BIOS correctly, you can find it at BIOS official website.

Remember, when you'll turn on your PC, don't press any key, because you can't find the anykey. (I tried many times).

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up vote 0 down vote

You could try to make the BIOS generate an error condition:

  1. Just hold down several keys on the keyboard, this will slow down the first screen and might error.

  2. Disconnect the keyboard or mouse, some BIOS are configured by default to give a warning.

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