Can't Trigger Grub Menu During F17 Boot

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http://forums.fedoraforum.org – I can't get into the Grub menu in a brand new install of the F17 KDE spin. Doing that with the LiveCD wasn't an issue. The Grub menu displayed without any intervention by me. That does not happen after the install. The Grub menu does not display. I cannot get it to display by holding/tapping shift/tab/ESC throughout the boot process. What's the secret? If I can't edit the kernel options I'm DOA because it will boot to a frozen black screen unless I install the Nvidia driver. [EDIT: The F17 manual says ESC gets you into the Grub menu. It doesn't. It also says the LiveCD can be used as (HowTos)