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Windows 7: option of MBR or GPT


26 Mar 2012   #1

Windows 7 Pro x64
 
 
option of MBR or GPT

Hi. I completed the clean function at the elevated prompt. I have a new problem, and not sure where it belongs in the forum.
After initializing, with the option of MBR or GPT, where I chose MBR, then formating so I have a clean simple volume. In bios, where it shows the cd in boot sequence, it has a tag on it labeled "UEFI". I know my board has this function, but when i go to try and install from the Windows installation cd, it brings up an error message saying the disk is supposed to be in GPT. I have combed through my bios trying to find a toggle to enable the normal install.
Of my 3 drives, I cleaned the two 1 tb drives, and when that was done my 500 gig drive stopped this pop-up error- "Your recycle bin is corrupted in drive D, do you want to empty it". This issue has stopped, after I cleaned the second 1 tb drive. I intend to put identical installs of Win 7 pro on the three drives. And I assume the 500 gig drive is or has it in MBR and not GPT. Any suggestions?

My System SpecsSystem Spec
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26 Mar 2012   #2

Windows 7 Pro x64
 
 
A question about the 100 mb "reserved space" in clean win 7 install

Or maybe it is supposed to be in GPT- Is there a way to look at the specs of the 500 gig drive and see where that is? I don't remember this UEFI logo in the boot sequence menu when I first went to set up the system, it occurred after I took the hit to what I believe is the MBR/Windows Boot Manager. Thanks.
My System SpecsSystem Spec
26 Mar 2012   #3

Windows 7 Professional x64
 
 

Hello setupcity,

You could try downloading ULTIMATE BOOT CD:

Ultimate Boot CD - Overview

That's got a lot of HD utilities on it. There may be a utility on there which can identify your Drive and then you could search for details of that drive online.
My System SpecsSystem Spec
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26 Mar 2012   #4

Windows 7 Pro x64
 
 
A question about the 100 mb "reserved space" in clean win 7 install

Thanks Burdus, I will download that- I have used seatools for dos, which is in there, and was going to use it to erase and reinstall a MBR, but my Asus board does not support using a mouse in the dos menu, at least not for that disk. But I think I prefer the method outlined here at sevenforum.

There must be a way to change a setting so the board does not treat the Win Install disk as a UEFI....I am sure it had set up that way before, a week ago.
My System SpecsSystem Spec
26 Mar 2012   #5

Windows 7 Professional x64
 
 

Also, have look at this page:
Windows and GPT FAQ

That explains about more about GPT.
My System SpecsSystem Spec
26 Mar 2012   #6

Windows 7 Pro x64
 
 
option of MBR or GPT

Hey yeah, I looked at that. I did clean it and initialize it in GPT. I am doing something wrong, as then the Win Install disc reported it "can not create a new system partition or locate a system partition". I think I missed a step, and in a little while I will start over from the clean point. I think it is supposed to be in GPT, as this board has the uefi thing, so maybe it will be more stable if every drive is initialized for that. Maybe that was the source of the original problem. I did just set this up, and I am somewhat new to working so closely with windows. I think I got confused from the step clean> then you exit, and initializing the drive and creating a new simple volume. So I'll try again.
My System SpecsSystem Spec
26 Mar 2012   #7

Windows 7 Pro x64
 
 
option of MBR or GPT

Ok I am stuck. I thought I missed the shrink portion, I have two 1 tb drives, initialized in GPT, and their is no option to shrink. So if I go create new simple volume, the next logical step that I know of is to run the Windows install disk, where it will find no viable partition. I already know, if I go shrink any simple volume, I will have two partitions, 1 about 3 gigs , and the other like 926 gigs, and that is not right. I don't know what I am missing. Create a partition? i thought a new simple volume is that. I guess I need to gather the log files when it won't install on the new simple volume, I don't know where they would be unless they are right there. It is booting into the 500 gig drive.
My System SpecsSystem Spec
26 Mar 2012   #8
Microsoft MVP

 

With UEFI BIOS you need to take special steps to install given here: UEFI (Unified Extensible Firmware Interface) - Install Windows 7 with - Windows 7 Forums

On some EFI mobos you can opt out of installing in EFI mode by not choosing the EFI boot disk first in boot order, but use your normal DVD drive with the HD formatted MBR. Otherwise follow the steps above.
My System SpecsSystem Spec
26 Mar 2012   #9

Windows 7 Pro x64
 
 
option of MBR or GPT

Hi Rocker, thanks for the response.
I can see from my attempts, I could format all over again to create an MBR instead of the GPT I have the drives set on for now. I just tried switching optical drives, to the one without the uefi tag on it, it came back with a "has to have an mbr". But I think I will try something.
I don't know about these .efi files you are talking about, I suppose I could re-connect the 500 gig drive to get in, do a file search and put that on usb. But in the bios, there is a toggle for each sata port for "esp". I see that in the tutorial you linked me to, and I read something about it beyond me in the "windows mbr vs gpt" faq.
So maybe I am grasping at straws, I will try and enable that, and see if it will install using the uefi labeled optical drive. After all, uefi is progress right? I think I am ready to give up if this doesn't work.
Do you think there is anything to gain in system reliability and stability by using uefi?
I will now try toggling these esp switches.... thanks , jeff
My System SpecsSystem Spec
26 Mar 2012   #10

Windows 7 Pro x64
 
 
option of MBR or GPT

I was unsuccessful at finding the right .efi file. I will have to live with it in mbr mode. This has been confusing, I think I was spooked by the uefi tag on the icon for the optical drive in bios, when something had gone wrong. I didn't see it before. Maybe I can look into it some other time, but for now it is installing in mbr. I still don't know whether windows boot manager is now recognizing the 500 gig drive, which for some of you would be some kind of registry edit....for me that will mean another format and reinstall. I think when this is back together, I will leave the user access control pretty strong ( I finally read about that), and disconnect the reset switch so I can't use that on a system freeze. Maybe I can see if I can enable that uefi boot from within bios, without going all out, but for now my flight simulator is (or will be) back. Thanks to all who helped! Jeff
My System SpecsSystem Spec
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 option of MBR or GPT




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