Help with UEFI setup utility boot screen

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When I press F11
while the ASRock Splash screen is showing, a boot menu screen comes
up from which you can select which of all possible drives you will
boot from.  If instead you go to the ASRock UEFI Setup Utility, you
get the opportunity to put all the possible drives in order (Option
1, 2...etc.).  I'm guessing this means you can avoid selecting a
drive to boot from every time you start up your computer.  Below
this, opposite an icon that looks like an open book and the label
?�CD/DVD ROM Drive BBS priority??is the opportunity to put CD/DVD
drives in order.  A similar icon and the title ?�Hard Drive BBS
priority??is the opportunity to put the hard drives in order. 
These last few choices seem redundant.  Can anyone tell me how (and
why) these various menus are to be used?  Finally, further down is
the title ?�PCI ROM Priority??opposite which you can toggle
between ?�Legacy ROM?? and ?�EFI Compatible ROM??  How do I
respond to this?

Processor:
Intel core i5-3750k 3rd Gen unlocked @3.40 GHz

Mother board:
ASRock Z77 Pro 4 

Hard Drive: WDOEM WD1TB BLUE SATA6.0 HD (1000
Gb) (Western digital)

SECOND Hard Drive: Toshiba (500 GB)

Memory: CRUCIAL 8GB 4X2D3 1333 DIMM CL

TV tuner: Hauppauge
WinTV-HVR-2250 

Operating System: 
Windows 7 on 500 GB drive (trying to upgrade to 10) and trying to put
Ubuntu on 1000 GB drive.

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john75 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 28 Nov 2015 Status: Offline Points: 3	Post Options Post Reply Quote john75 Report Post Thanks(0) Quote Reply Topic: Help with UEFI setup utility boot screen Posted: 28 Nov 2015 at 7:10pm
	When I press F11 while the ASRock Splash screen is showing, a boot menu screen comes up from which you can select which of all possible drives you will boot from. If instead you go to the ASRock UEFI Setup Utility, you get the opportunity to put all the possible drives in order (Option 1, 2...etc.). I'm guessing this means you can avoid selecting a drive to boot from every time you start up your computer. Below this, opposite an icon that looks like an open book and the label ?�CD/DVD ROM Drive BBS priority??is the opportunity to put CD/DVD drives in order. A similar icon and the title ?�Hard Drive BBS priority??is the opportunity to put the hard drives in order. These last few choices seem redundant. Can anyone tell me how (and why) these various menus are to be used? Finally, further down is the title ?�PCI ROM Priority??opposite which you can toggle between ?�Legacy ROM?? and ?�EFI Compatible ROM?? How do I respond to this? Processor: Intel core i5-3750k 3rd Gen unlocked @3.40 GHz Mother board: ASRock Z77 Pro 4 Hard Drive: WDOEM WD1TB BLUE SATA6.0 HD (1000 Gb) (Western digital) SECOND Hard Drive: Toshiba (500 GB) Memory: CRUCIAL 8GB 4X2D3 1333 DIMM CL TV tuner: Hauppauge WinTV-HVR-2250 Operating System: Windows 7 on 500 GB drive (trying to upgrade to 10) and trying to put Ubuntu on 1000 GB drive.

PainterArt Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 31 Oct 2015 Status: Offline Points: 78	Post Options Post Reply Quote PainterArt Report Post Thanks(0) Quote Reply Posted: 29 Nov 2015 at 2:56am
	Press Delete and go into bios. Go to Advance Bios and click on Boot Tab. On this screen you can priorities your first boot, second boot, harddrive or CD/DVD drive and whatever order you want at everyboot. F11 boot menu is meant for changing what you want to boot to as a one time only boot. PCI ROM Priority should probably left at default if everything boots fine. EFI is a boot partition of an OS installed on a GPT drive as opposed to MBR (legacy). If you see Boot Manager (harddrive identifier) in your boot order selection than you have a EFI on this harddisk and unless to did something weird you have an OS installed on this harddrive.