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Windows 7: Computer is now booting to the UEFI instead of directly to Windows

06 Sep 2014   #1
arrowM

Windows 7 Home Premium 64bit
 
 
Computer is now booting to the UEFI instead of directly to Windows

After installing a round of usual updates (Microsoft Security updates, Virus definition updates), my computer asked to restart so it could finish applying the updates. Nothing suspicious there, as this is pretty normal. However, when it restarted, my computer booted to the motherboard's UEFI (ASRock motherboard) for whatever reason. I just selected "Save Changes and Exit" to continue booting into Windows. However, now my computer goes into the UEFI every time it starts up. How do I make it go directly to Windows again?


My System SpecsSystem Spec
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06 Sep 2014   #2
NoN

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
 
 

Quote   Quote: Originally Posted by arrowM View Post
After installing a round of usual updates (Microsoft Security updates, Virus definition updates), my computer asked to restart so it could finish applying the updates. Nothing suspicious there, as this is pretty normal. However, when it restarted, my computer booted to the motherboard's UEFI (ASRock motherboard) for whatever reason. I just selected "Save Changes and Exit" to continue booting into Windows. However, now my computer goes into the UEFI every time it starts up. How do I make it go directly to Windows again?
Welcome to Sevenforums,

An update might have changed/reset the way in Bios the primary disk boot. Check in your Bios settings for disk options if its set to AHCI, IDE, or RAID mode.

Choose AHCI if you're not doing any RAID0/1/5/10
My System SpecsSystem Spec
06 Sep 2014   #3
arrowM

Windows 7 Home Premium 64bit
 
 

The two options for boot are:

AHCI P0: ST1000DM003-9YN162
AHCI P1: HL-DT-ST BDDVDRW UH12L

My computer was already set on the first boot, AHCI P0. Should I try the other one?
My System SpecsSystem Spec
.

07 Sep 2014   #4
NoN

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
 
 

Quote   Quote: Originally Posted by arrowM View Post
The two options for boot are:

AHCI P0: ST1000DM003-9YN162
AHCI P1: HL-DT-ST BDDVDRW UH12L

My computer was already set on the first boot, AHCI P0. Should I try the other one?
Ain't you got another Tab which shows only the option AHCI, IDE, RAID? Dig that Bios in advanced settings.

Looks what you're telling is the sequence order of the drive, which are OK to me.

No, you should boot to AHCI as it looks like that's how your OS had been installed.
My System SpecsSystem Spec
07 Sep 2014   #5
gregrocker
Microsoft MVP

 

If UEFI is not showing in your boot options then it's doubtful its even attempting to boot to UEFI. What makes you think this exactly?

Please provide a picture of what you're seeing that makes you think this.

UEFI BIOS vs. Legacy BIOS - YouTube
My System SpecsSystem Spec
11 Sep 2014   #6
arrowM

Windows 7 Home Premium 64bit
 
 

Here are pictures of the UEFI and boot settings that appear when I boot my computer.Computer is now booting to the UEFI instead of directly to Windows-img_1125.jpg

Computer is now booting to the UEFI instead of directly to Windows-img_1126.jpg


My System SpecsSystem Spec
11 Sep 2014   #7
gregrocker
Microsoft MVP

 

What screen exactly does it boot to? Is there any other message?

Setup Prompt Timeout is showing 1 which seems to indicate it has been set to prompt to enter BIOS setup for a period of time. When you highlight that setting it should tell you in the text to the right what exactly it does and what the choices mean and their values.

Otherwise let us see the Advanced tab which contains the UEFI settings. It doesn't appear you have UEFI engaged as there are no EFI choices in the Boot menu list. Is there an EFI System partition in Disk Mgmt?

Did you happen to notice if WIndows Update contained a UEFI Firmware (BIOS) update which might have set the Prompt Timeout so that you were prompted to enter BIOS setup to remind you to check those settings in case they had been changed and suddenly Win7 become unbootable. I've not seen this before but heard manufacturers were going to start pushing UEFI updates through on Windows Update and wondered how they would handle previously changed settings (like Legacy vs. UEFI) and this may be it.
My System SpecsSystem Spec
12 Sep 2014   #8
NoN

Windows 7 Professional SP1 - x64 [Non-UEFI Boot]
 
 

On some latest Asus manufacturer Bios update, they do forced the boot UEFI Secure Mode to be enable even if its set in CSM to Legacy Rom mode in the advanced settings tab.

BIOS Mode - See if Windows Boot in UEFI or Legacy Mode

Secure Boot - Enable or Disable in UEFI
My System SpecsSystem Spec
12 Sep 2014   #9
arrowM

Windows 7 Home Premium 64bit
 
 

I tried changing the Setup Prompt Timeout to 0 seconds, but 0 is invalid so it reverted to 1 second.

I didn't find any place to change the Secure Mode setting.

It appears that I am currently in Legacy BIOS mode. Could that have anything to do with this?

When I turn my computer on, it goes into the "Main" tab of the ASRock UEFI Setup Utility. Here's a picture of the "Advanced" tab:Computer is now booting to the UEFI instead of directly to Windows-img_1128.jpg


My System SpecsSystem Spec
12 Sep 2014   #10
gregrocker
Microsoft MVP

 

Can we see a screenshot of Disk Management - Post a Screen Capture Image.

What are the IRST choices on Advanced?

It wouldn't boot if not Legacy install, but lets see the config

Also what are the HD BBS Priorities choices in this screen, which determine which HD will show up to boot in the Boot Menu:

My System SpecsSystem Spec
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 Computer is now booting to the UEFI instead of directly to Windows




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