UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with

Sony claims using UEFI mode to install Windows 7 isn't supported. I'm guessing that's BS, but I am still having trouble doing it. When I get to the Starting Windows screen and the coming together of the Windows logo, the screen freezes before the logo's four pieces come together and it stays that way.

I don't know if you've seen this yet but I'd watch it if not to get some background on UEFI and help you decide if you want it right now:



If not you can do what others have done which always works and Bypass UEFI to Install WIn7

Thanks, Greg. I'll check out that video.

ESL said:

Sony claims using UEFI mode to install Windows 7 isn't supported. I'm guessing that's BS, but I am still having trouble doing it. When I get to the Starting Windows screen and the coming together of the Windows logo, the screen freezes before the logo's four pieces come together and it stays that way.

Are you sure your SONY has a uEFI/BIOS firmware?

theog said:

ESL said:

Sony claims using UEFI mode to install Windows 7 isn't supported. I'm guessing that's BS, but I am still having trouble doing it. When I get to the Starting Windows screen and the coming together of the Windows logo, the screen freezes before the logo's four pieces come together and it stays that way.

Are you sure your SONY has a uEFI/BIOS firmware?

Yes.

May I ask why you want to install in UEFI mode?

ESL said:

theog said:

ESL said:

Sony claims using UEFI mode to install Windows 7 isn't supported. I'm guessing that's BS, but I am still having trouble doing it. When I get to the Starting Windows screen and the coming together of the Windows logo, the screen freezes before the logo's four pieces come together and it stays that way.

Are you sure your SONY has a uEFI/BIOS firmware?

Yes.

What Model?
What OS Pre-installed?

gregrocker said:

May I ask why you want to install in UEFI mode?

Just to do it. Plus, I've read there are benefits with installing Windows 7 in UEFI mode. I want to see the differences.

theog said:

ESL said:

theog said:

Are you sure your SONY has a uEFI/BIOS firmware?

Yes.

What Model?
What OS Pre-installed?

SVE15123CDS.
Windows 8.

Hi ESL

You can download Windows 7 drivers here:
Sony eSupport - SVE15123CDS - Support

theog said:

To Downgrade to Windows 7.

Downgrade Windows 8 to Windows 7

Warning you must have the uEFI/BIOS firmware setting in Step Three set.

theog said:

3) Reset BIOS to default, and reboot to BIOS make sure Secure Boot is disabled.

NOTE: Check your manufacturer's uEFI/BIOS firmware manual for settings.

Make sure CSM is ENABLED, & set to UEFI boot.

Technical Note: UEFI BIOS vs. Legacy BIOS - YouTube

Also enable Boot Menu.


Things to check, Make sure you are doing, Work down this list
1) setting BIOS.
2) doing Step 11 in
UEFI Bootable USB Flash Drive - Create in Windows
3) booting DVD/USB in UEFI mode.
4) using a USB 2.0 port.
5) using Windows 7 x64.

Sony eSupport - Windows® 7 Clean Install Instructions for Windows® 8 PCs

Sony said:

1.With the computer powered off, press the Assist button to enter the VAOCare Rescue Mode Boot screen.
2.Select the ‘Start BIOS setup [F2]’ option to proceed to the system BIOS.
3.Once inside the InsydeH2O Setup Utility, use the arrow keys to select the ‘Boot’ list.
4.With the ‘Boot Mode’ option selected, press enter to change the setting from UEFI to Legacy. or (UEFI/Legacy if a option)
5.Use the arrow keys to proceed to the ‘Exit’ menu.
6.Select the ‘Save Changes’ option and press Enter.
7.After saving the changes, select Shutdown.

Some OEM manufacturers are locking end-users out of the options in BIOS on consumer PC’s, on business PC’s there not.



Windows Hardware Certification Requirements for Client and Server Systems

Microsoft said:

Mandatory. On non-ARM systems, the platform MUST implement the ability for a physically present user to select between two Secure Boot modes in firmware setup: "Custom" and "Standard". Custom Mode allows for more flexibility as specified in the following:

It shall be possible for a physically present user to use the Custom Mode firmware setup option to modify the contents of the Secure Boot signature databases and the PK. This may be implemented by simply providing the option to clear all Secure Boot databases (PK, KEK, db, dbx), which puts the system into setup mode.

If the user ends up deleting the PK then, upon exiting the Custom Mode firmware setup, the system is operating in Setup Mode with SecureBoot turned off.

The firmware setup shall indicate if Secure Boot is turned on, and if it is operated in Standard or Custom Mode. The firmware setup must provide an option to return from Custom to Standard Mode which restores the factory defaults. On an ARM system, it is forbidden to enable Custom Mode. Only Standard Mode may be enabled.