Get F8 Screen without Hitting F8

When booting my computer, a Dell Inspiron 4000, I get the menu asking whether I want to boot 1.Normal 2.Safe Mode 3. Command Prompt, etc.  I get this menu without hitting F8, which is usually what you have to do to bring the menu up.  
How can I get rid of this menu?
Thanks in advance,
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Technical_champConnect With a Mentor Commented:
just go and edit the file c:\msdos.sys using any simple editor like notepad , change the lines from

BootMenu = 1


BootMenu = 0

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alonerAuthor Commented:
Thanks! I knew it was somewhere.
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