Drivers/Hardware :: Converting MBR To GPT For EFI Boot?
Nov 27, 2015
I've just recently re-installed Windows on my laptop. I had the hard drive set to a GPT format disk since my system supports and previously used UEFI boot, but this install wouldn't allow it so I just went to MBR again..
Is there a way to convert the currently MBR type disk to a GPT format (without losing the current Windows installation) so I can resume using the UEFI format boot? I'd like to later dual boot Linux and I'd pref having a UEFI load over the MBR when that time comes.
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Details: ASUS A8 desktop UEFI
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Jan 27, 2016
Recently I have wired to screens up as dual screens, they were working fine at day 1 but after the left screen (main monitor) has started turning itself off completely.
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Dec 2, 2015
So at first, I was trying to resolve an issue with my BD-ROM drive described here: XPS 8700 - BD-ROM (HL-DT-ST DVDRW/BDROM CH20N) Not Recognized Windows 10 - Disk Drives (HDD, CD/DVD, Blu-ray) Forum - Disk Drives - Dell Community
However, when attempting to try different things, I am now in a position where I can no longer boot to Windows 10. More specifically, when I turn on my computer, I get an error saying no bootable drives found and it just lists my SATA 1, 2, 3, etc. drives with an option to restart or go to BIOS setup. In other words, I don't even see Windows anymore existing.
My basic computer specs:
Dell XPS 8700 SE
Intel Core i7-4700
Windows 10 with 1511 update
2TB hdd with 32GB mSATA SSD cache drive
16GB RAM
BD-ROM
I need to get Windows working again, and hopefully, get back my data. Here's what I did to cause the problems:
1) I went to Dell UEFI BIOS setup, and changed the SATA mode from "RAID" to "AHCI". Saved and exited BIOS.
2) After rebooting, Windows failed to load, had a consistent blue screen with the sad smiley face with error "IO1_INITIALIZATION_FAILED", automatic repair also failed.
3) I tried reverting back to "RAID" in SATA mode in BIOS, but it failed to change anything. Windows still wouldn't boot
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5) I tried to delete the current RAID setup shown in that BIOS menu, then chose the option to recreate the RAID0 array by selecting the option to create a "Striped Disk Array".
6) Once I did the above, Windows itself disappeared, and trying to undo the RAID0 option did not fix anything
So now I am no longer seeing Windows, not sure if my data on the hard drive still exists, and my cache drive (obviously) is not working.
doing a clean reinstall and losing all my previous data in Windows?
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Sep 3, 2015
My situation is that after a recent issue with my user profile going "missing" (I think) I thought do, do you know what I'll just reset my system and start over. But windows 10 would not reset. Instead I grabbed the windows 7 disk to reset that later hoping to install windows 10.
I was having problems with my Kingston SSD so I installed it onto my HDD and later on tried to clone the HDD to the SSD and then format the HDD so the OS ran off the SSD. I have clone the 2 drives but haven't formatted the HDD. I tried booting the SSD but it comes up with the BOOTMGR IS MISSING! I find a solution which is to reset the bootmgr using the code "Bootrec.exe /rebuildcd" but I can type the command in due to not being able to access the system repair.
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Aug 13, 2015
I have purchased two licenses of Windows 10 Pro x64. Everything works fine, except for one disturbing elements.
I have an unsigned driver to a program that I use every day, so I have to boot in the "Disable Driver Signature Enforcement" mode every time, for the program to work. Yes, I have activated the old fashioned F8 boot menu, which is disabled by default in Windows 10. This is no problem, but it seems impossible to get Windows 10 to boot in this mode as standard.
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Jan 27, 2016
In my desktop I have two hard disks ( disk 0 and disk 1 ) . Disk 1 is a clone of disk 0 created by Macrium Reflect
Disk 0 : ( C: ) windows 10 pro , upgrade from windows 7 , ( E: ) windows 8.1 pro , ( G: ) Storage partition
Disk 1 : clone of disk 0
problem description : I see in msconfig / boot a wrong listing
windows 10 ( C:WINDOWS) : Current OS ; Default OS
windows 8.1 pro ( H:WINDOWS ) instead of ( E:WINDOWS )
Nevertheless the dual booting works fine as well as the shift between the disks via BIOS.
The question is , could I fix the situation using the EasyBCD of Neosmart Technologies to edit the bootloader ?
I see can change drive letter H: to E: and save the change , am I right or wrong ? or any other way ....
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Nov 10, 2015
After installing a 32 bit windows 10 from a USB by mistake I decided to upgrade to the 64 bit version. I have 3 hard drives, one of which is an ssd that I am trying to install the OS to. After downloading and setting up the media creation tool and creating a USB I restarted and boot form USB.
I followed the steps and deleted the existing windows 10 partitions on my dad and tried installing straight to the unallocated space. After the installation completed it restarted the installer, which is not what happened when I previously successfully install windows 10. I then changed the boit order to have my ssd first and rebooted, which gave me the Reboot and select proper boot device or insert boot media error.
Confused I loaded up the installed and there were correctly partitioned installs already on the ssd ( although one partition looked a little small). I tried reinstalling windows 10 with the same result over and over.
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Sep 24, 2015
My laptop has dual boot - Windows 7 and Windows 10. My Win7 environment is my main working environment with lots of programs installed and important files. I installed the Win10 environment just to play around with 10 during the technical preview. Now, I would like to disable the 10 environment and upgrade the 7 to 10. Am I able to do this, or have I already "used up" my one upgrade on this computer's Windows license?
I notice that in Windows 7 I have not received the icon in the notification area that invites me to upgrade to 10. This makes me think I might have used up my chance to upgrade.
My end goal is to have a single Windows 10 environment. Note that the reason I want to upgrade my 7 environment to 10 is because I don't want to have to re-install all of my programs and files into the current 10 environment.
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Feb 2, 2016
When I try to boot from a recovery flash drive, it fails with: EFIMicrosoftBootBCD error status: 0xc000000f and message: The Boot Configuration Data for your PC is missing or contains errors.
The recovery flash drive was created on a Lenovo ideapad originally with Windows 8, now upgraded to Windows 10, latest upgrades applied. Checked the box for copying system files. Target drive was a 16GB DataTraveler flash drive formatted as FAT32. Creation ran to completion with no errors. When booting normally, Windows 10 runs fine with no issues. I tried re-creating the recovery drive with the same results.
I created a repair disk and tried to use bootrec to fix the issue, but I suspect it did nothing or fixed the c: drive. I ran boot rec while in the root directory on the flash drive.
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Apr 29, 2015
As I get ready to do a clean install of 10074 I am curious about the need to disable secure boot and fast boot options. If I do disable secure boot do I need to enable legacy boot?I have had limited success with previous installs to a 2nd hard drive and the problems that arose always seem related to dual booting.
In one instance I did a clean install of 10061 and had left secure boot enabled. In order to get dual boot working I had to disable secure boot, and upon rebooting I needed to change it back to secure. I then made Win 8.1 the default boot and then Win 10 would never boot from the menu, it would just take me back to the boot menu and I could boot into Win 8.1.
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Dec 15, 2015
I'm making a image for installation of windows 10. I make a USB flash drive with WINPE. and once the device starts into WINPE, it will automatically start to install windows 10 by calling "dism /apply-image". Normally i just shutdown the computer after installation, but now i want to reboot the device and boot into the windows i just installed. But i can't, because if i reboot the device, it will boot into WINPE again and start another turn of installation of windows. How could i temporary boot into my windows 10?
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Jun 15, 2015
After several weeks of testing I'm ready to go full on Windows 10 and want to get rid of Windows 7 but I have some partitioning issues I want to clean up. I currently have Windows 7 on drive 0 (360 GB) and Windows 10 on drive 1 (500 GB). Both are SATA drives and RAID is enabled in the bios but not active.
What I think I'd like to do is simply swap the drives physically so that Drive 0 has my current Windows 10 install on it and make it primary boot active etc. The drive with Windows 7 on it would become drive 1 and I would delete the Windows 7 partition and re-partition it with a clean empty partition just for extra space.
Second question, any advantage to using this drive configuration in a RAID setup?
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Dec 19, 2015
I have a legacy 64 bit dual core desktop (ASUS mobo). I have several Sata hard drives in it with the 4th partition of my 1 Terabyte drive containing my Windows 10 Professional boot OS. After converting another similar legacy machine to a NAS device I took the old Windows 10 32 bit OS drive from it and tried booting the ASUS machine with it. Needless to say, the OS didn't like it and reverted to Windows 10 Pro Insider Preview edition (build 11082).
When I tried to restore the boot drive to the original one for this machine the master boot was missing.
I had just formatted another partition on the same drive that had contained a Windows7 installation that had failed. This partition may have contained the master boot record. So I booted to a command prompt from a USB drive and successfully ran the following commands:
bootrec /RebuildBcdbootrec /fixMbr bootrec /fixboot bootsect /nt60 SYSbootsect /nt60 all
After that the BIOS just says "An operating system wasn't found. Try disconnecting any drives that don't contain an operating system" This disk and OS are on the original machine it used to run on. As I understand it, Windows 10 tries to record it's key to somewhere in the BIOS. But the BIOS on these old machines don't provide such a facility. I don't understand what Windows 10 OS does with the key in this instance. If it was recorded in the BIOS then I'd presume that the other Windows 10 drive I attempted to use would have found it and used it. Or perhaps not, since it didn't like the new environment.
what I'm looking for is a way to get my original Windows 10 to boot again on the same machine it had always work on before, from the 4th partition of the 1 terabyte drive I'm using.
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Feb 2, 2016
I used MicroTool partition manager to delete the extra partitions on an OS drive with win10 (leaving just the main C partition on the drive), and now the laptop will not recognize the SSD with the OS on it, and obviously cannot boot. I also tried using the bootable partition recovery tool from MicroTool, but restoring the partitions also does not work, it will only allow one of the two partitions to be restored.
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Oct 27, 2015
Basically, I have a really bleepty BIOS that will only let me change the boot order with secure boot disabled and legacy boot enabled. I need secure boot because I just installed windows 10 onto a new drive and it won't activate. I have heard that this has something to do with secure boot being disabled. I still have the activated drive, which is the primary drive. Is there anything I can do to change the boot order?
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Aug 10, 2015
Control PanelAll Control Panel ItemsPower OptionsSystem Settings
Unchecking the "Turn on Fast Startup" command in the above setting path does not do it. There is supposed to be a motherboard software for enabling a normal startup the next time the computer is restarted.
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