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Windows 7: UEFI USB Win 7 installed. How to check if it really is in UEFI?

03 Apr 2014   #1
Rudeboy

Windows 7 Pro 64 bit
 
 
UEFI USB Win 7 installed. How to check if it really is in UEFI?

Hi,

I bought a new Asus desktop which came pre-installed with Windows 8. I've decided to ditch windows 8 and to install a SSD with windows 7 64 bit.

I noticed that my motherboard can handle UEFI and I went ahead and created a bootable USB with Win 7 64bit. When I go into BIOS I can see that it identifies the USB drive as a UEFI enabled device. I went ahead with the clean install of win 7.

This is where I'm confused. I followed the steps on this link
UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

When it comes to seeing 3 partitions I only see 2.

I tried msinfo32 to see "BIOS mode" but even that option is not there. All I see is "BIOS Version/Date" and "SMBIOS Version"

I have a working Windows 7 but just want to know if I did the installation correctly or not.


My System SpecsSystem Spec
.
03 Apr 2014   #2
gregrocker

 

If you correctly formatted the USB as shown in UEFI Bootable USB Flash Drive - Create in Windows
and booted it as a UEFI-labeled device, then deleted all partitions and let it create new, it should be UEFI.

Is there a partition labeled EFI in Disk Mgmt?

When you click on the Disk # panel to the left of the drive map, does it offer to convert to GPT or MBR? Dont' convert it, just look to confirm if it's GPT meaning UEFI install.
My System SpecsSystem Spec
04 Apr 2014   #3
Rudeboy

Windows 7 Pro 64 bit
 
 

When I check in Disk Management I see two partitions. System Reserverd and C: partitions. Both are NTFS file systems. I don't see anything about EFI. What do you mean by clicking on Disk # left panel...?
My System SpecsSystem Spec
.

04 Apr 2014   #4
gregrocker

 

No need. Having SysReserved and C means it is an MBR install without UEFI.

If you want you can reinstall in UEFI but you'll need to make the settings changes in the BIOS to support this, and be sure to boot the flash stick this time as a UEFI Device, delete all partitions during install so that it will clear the MBR formatting and create GPT.

I personally prefer MBR installs for less hassle but there are a few meager benefits to UEFI so educate yourself on it to decide: UEFI BIOS vs. Legacy BIOS - YouTube
My System SpecsSystem Spec
04 Apr 2014   #5
Rudeboy

Windows 7 Pro 64 bit
 
 

Thanks for the link that you provided.

When I go into the BIOS it identifies the USB as a UEFI device. During the install I make sure that I delete all partitions and to create new, but still I see two partition(MBR) instead of 3(GPT)
My System SpecsSystem Spec
04 Apr 2014   #6
gregrocker

 

What are the UEFI, CSM and/or Legacy BIOS settings in BIOS setup? Pictures of all expanded choices would help.

You can try wiping the HD first with Diskpart Clean Command.

Did you use Option One from UEFI Bootable USB Flash Drive - Create in Windows to make sure the flash stick gets written correctly?
My System SpecsSystem Spec
04 Apr 2014   #7
theog

Microsoft Community Contributor Award Recipient

ME/XP/Vista/Win7
 
 

Quote:
This is where I'm confused. I followed the steps on this link
UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

When it comes to seeing 3 partitions I only see 2.
If Using a USB Pen drive on a PC with a UEFI BIOS.
USB Pen drive need to be formatted to FAT32 as in
UEFI Bootable USB Flash Drive - Create in Windows
Take note of Step 11 for Windows 7.
Also you will need to use a USB 2.0 port, as there are no USB 3.0 drivers in Windows 7.
My System SpecsSystem Spec
04 Apr 2014   #8
SIW2

Microsoft Community Contributor Award Recipient

Vista x64 / 7 X64
 
 

Check the bcd entry is easiest.

Open cmd prompt, type:

bcdedit /enum {current}

See if the path is winload.exe or winload.efi.

Name:  bios-efi-bcd.jpg
Views: 51
Size:  77.1 KB

I agree with Greg. Benefits to the consumer are virtually nil. In practical terms, saves a couple of seconds at startup. A lot of complications and restrictions come with it. #

The industry introduced it for their own benefit.


My System SpecsSystem Spec
24 Apr 2014   #9
Berton

Windows 7 Ultimate 64-bit, Windows 8.1 64-bit, Mac OS X 10.10, Linux Mint 17, Windows 10 Pro TP
 
 

Quote: Also you will need to use a USB 2.0 port, as there are no USB 3.0 drivers in Windows 7.

A lot will depend upon the motherboard, my Custom has a Gigabyte board with USB 3.0 ports and installing the CD that came with it gives USB 3.0 support.
My System SpecsSystem Spec
24 Apr 2014   #10
gregrocker

 

You won't have the USB drivers installed yet. They need to be in the Win7 installation media but MS won't give us SP2.

Use a USB 2 port or DVD install.
My System SpecsSystem Spec
Reply

 UEFI USB Win 7 installed. How to check if it really is in UEFI?




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