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Windows 7: Some questions about Installing UEFI and data created in the past

24 Aug 2014   #1

Windows 7 Ultimate x64 and x86
Some questions about Installing UEFI and data created in the past

First of all good day everyone! I have some question to ask after telling you the situation and I will put it with numerical order below.

I have a system running Windows 7 Ultimate 64 bit on a A6 6400k processor and MSI A88XM-E35 Motherboard which I think capable of running Windows 7 Ultimate 64 bit UEFI? And recently I figured out that if that board is UEFI ready, I did installed my Operating System wrong way if I want UEFI. That's because before I bought the Motherboard I was just learned that almost all new motherboard in the market today are capable of a features called FAST BOOT and don't know much about different installation on this new system called UEFI. So when I was installing my Operating System which is Windows Ultimate 7 64 bit, I installed it in traditional way which is booting it from flash drive that I created from winsetupfromusb 1.0 beta 8 and it was formatted also from NTFS and I did not realized that only Fat32 is supported. Then after that I installed drivers from driver pack solution 14.8 but I observed the features fast boot I was looking for looks like not functioning because when I boot the system and observed the time it used when booting is just the same. So I went to my motherboard manufacturers website and saw the Utility driver for Fast Boot Features and installed it but after that I realized the same thing it's not working. That's why I search around the Internet and learned all these things.

And now I want to re-install it, but this time in the right way with UEFI. So I created another bootable flashdrive from winsetupfromusb 1.4 to be use and make it right. But still I didn't know these things below:

1. As you know I have my current OS Windows Ultimate 7 64 bit in my one physical drive with two partition called drive C and D. The drive C where the OS resides and in drive D I put a lot of files there and I don't wanna touch it if ever I want to re-install this time with UEFI. So my question is, it is possible that only the drive C I will delete partition and install there the new OS Windows Ultimate 7 64 bit UEFI?

2. So if the answer in my first question is possible. Will the new Installed OS Windows Ultimate 7 64 bit UEFI could read/write the files in my drive D which is created by OS in the past on this computer?

3. Btw I also managed to successfully update the BIOS driver via MSI Live Update 6. My question is what will happen to the bios if I re-installed with new OS, will it be roll back to the state when it was before I update it? Will it affect the condition of my new install OS? Should I restore it to factory settings before installing new OS again? How? If it should not restore to factory settings, do I need to update it again from MSI Live Update 6 after installing the new OS?

Thank you very much and please forgive me asking my questions in novel way.

My System SpecsSystem Spec
24 Aug 2014   #2
Microsoft MVP


Boot into BIOS setup to look for settings for Secure Boot to disable, CSM, Legacy BIOS or UEFI. Report back settings choices for any of those, or similar. Pictures can help.

Download the latest official 64-bit installer for your licensed version from Clean Reinstall - Factory OEM Windows 7 but use only Option One here to write it to stick: UEFI Bootable USB Flash Drive - Create in Windows.

Boot the stick as a UEFI device from the BIOS Boot Menu, following these steps for UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with
My System SpecsSystem Spec

 Some questions about Installing UEFI and data created in the past

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