Setup Installation :: Windows Boot Manager - Deleted UEFI Boot Option?
Mar 24, 2014
After creating a UEFI bootable USB thumb drive with Rufus (using Windows 8.1 Enterprise ISO x64), for a Dell Optiplex 3010 (configured as UEFI only, no CSM, latest firmware version, Windows 8 installed), I didn't see a USB boot option, so I tried to add one manually. Unfortunately I erased the existing boot option (boot manager) by mistake. Although there were two boot options for PXE booting, the machine will not start anymore, even when there is an active WDS server on the network.
I also see Led's 2 and 3 lighting up, meaning according to the manual 'hardware ok but bios possibly damaged/corrupt'.
I understand I cannot start the machine from a bios boot disk because of GPT partitioning, and the UEFI USB boot disk I made might be corrupt (as it didn't show up as a boot option), however I don't understand why it won't boot from the PXE network card, as these boot options are still there.
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Jul 24, 2014
Yesterday, after many, many problems with my computer, I finally decided to reinstall Windows 8.1 Pro onto my ASUS X200CA netbook. However, after backing up and reinstalling the OS, I found that when I tried to disable "Launch CSM" in my BIOS, all of my boot options would disappear and my laptop would continually boot into my BIOS. When I re-enabled "Launch CSM", the boot options would reappear - however, it had not included the "Option #1 - Windows Boot Manager" that I had seen in my other installation.
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Jan 6, 2013
Here: [URL] .....
Somewhere in that link it says:
During POST enter "BIOS Boot Selector Menu" by pressing F7.
Intel says: <F7> No uefi setup option in boot selection
Others say: <F8> No uefi setup option in boot selection
I say: <F12> No uefi setup option in boot selection
Lenovo Z580, my brand new laptop that is, its UEFI based and vymrdal's ISO from MSDN is also created to be installed as an UEFI Install.
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Jan 22, 2013
I formatted a HD that had the bootmanager on it. The Win 8 disc can't repair it. I'm also getting a message that my C: drive is locked.
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Aug 21, 2013
First, some context: I have a Dell Inspiron 15R SE that came with Windows 8.
I've managed to get a working dual-boot system with Ubuntu 12.10. I can't remember exactly how I done that, but I remember that I had to disable secure boot. I think that the boot configuration those days was:
Secure boot: DisabledLoad legacy option rom: EnabledBoot list option: Legacy
This "configuration" worked perfectly for 6-7 months.
Then, one day (last week, can't remember the exact day), when I was using Windows 8 the computer crashed. I hard-rebooted and got this screen:
After executed boot-repair from a Ubuntu LiveCD dozens of times I've decided to eliminate Ubuntu temporarily and focus to get a system with Windows 8 working nice.
Then I used my recovery DVDs to recover the system. Yup, Windows has booted. But when I restarted first time I got the same error. Then I, digging a solution, pressed F12 after a reboot and got here:
The highlighted option allows me to boot into Windows 8. So I went to boot options (F2) and changed the following configuration:
Load legacy option rom: DisabledBoot list option: UEFI
Now I can boot directly to Windows without need to press F12.
But my objective isn't complete. I want to erase all Ubuntu entries from the seconds image and restore the legacy boot from the first imagem (because they worked before).
I did two things:
I erased all partitions related to Ubuntu (root partition and home partition).I created a Windows recovery disk (not a system recovery disk).
I used the recovery disk to run the automatic recovery procedure (I forgot the exactly name). I've runned it at least 10 times with no success. Then I went to command prompt to try the famous triad: bootrec /fixmbr, bootrec /fixboot and bootrec /rebuildbcd. Still, no solution.
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Jan 15, 2013
I've seen all the tips on setting up a dual boot while installing Win 8 with an existing win 7 installation but I can't find any way to add a boot option AFTER installing win 8.I have an image of win 7 that I want to put on another hard drive and then be able to dual boot either 8 or 7.
I tried using easybcd and it appeared to save the entry but it wasn't there when I booted up.
On a side note I also can't seem to change the timeout value before it boots. It always reverts to 30 seconds. I tried msconfig with the same results.
I do have an added boot menu for a recovery via Farstone recovery. It added it to the win 8 boot menu so it must be possible to add the win 7 somehow.
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Mar 13, 2013
Laptop: ASUS UX31A-DB71, latest BIOS: 218
Originally my laptop came with Windows 7 and when i looked at disk management my disks were formatted with UEFI schema. One of my friend gave me a UEFI bootable USB drive loaded with Windows 8. So, i thought why not give it a try. So, I created a backup of my OEM Windows 7 and saved the iso files in a seperate external HD (created twice just to be sure . Now, i decided to load the Windows 8. Booted into the BIOS and there is an option to select the USB drive along with the UEFI option for that USB drive. I selected the UEFI option but some reason it does not boot into UEFI.
So I decided to select the standard USB install and this option let me install windows 8. In the process of installing i formatted the partitions and made a single partition and installed Windows 8 on it. I am guessing now the drive is not GPT but MBR. I also noticed that his installation USB disk had an option to select either 32bit or 64bit of Windows 8... Would Microsoft create a same iso file with both versions? I am guessing he created the USB from a illegitimate source.
I am planning on purchasing Windows 8 Pro version as an iso but wanted to be confident that it would work with UEFI architecture.
Questions:
1. Why would the system NOT boot from UEFI?
2. If I download the legitimate iso from Microsoft and wanted to install Window8 Pro via UEFI, I am sure i would have to format my SSD to GPT and how would i go about formatting it during installation?
3. How would i create a recoverable USB for my iso image i created for Windows 7 via ASUS AI Recovery. Do I need to follow the same procedure as stated in creating bootable USB disk (i.e. FAT32 system) via diskpart utility?
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Jun 5, 2014
What should i type to enable the metro boot?
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Jul 11, 2014
I recently bought a new SSHD for my laptop and after initial problems with trying to install Windows in UEFI, I turned to Legacy and that worked. But now when I change it to UEFI, it just comes up as "Operating system not found".
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Sep 19, 2013
I've made a UEFI Win8PE by WADK , then burn it to a CD. I boot normal and I can see X:WindowsSystem32.
I use EasyBCD to [Add New Entry] to append new boot item to existing Windows 8. The boot menu becomes like this :
Windows 8
Win8PE
But the Win8PE fail to boot with error message like insert Windows disc again ...... in the primary black and white screen.
Should I not to use EasyBCD to [Add New Entry] ? As I do the same thing in BIOs + MBR harddisk that booted perfect. In UEFI + GPT partition , do I better not to use EasyBCD , instead to use BCDEDIT , if so , what's the command line to do this with bcdedit ?
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Dec 28, 2012
I bought a Windows 8 laptop, ASUS Q500A, and reformatted it with Windows 7.
I went into the BIOS and used "Restore Defaults" and now all Boot Option Priorities are deleted.
Each time I boot the laptop, it automatically goes to BIOS (or UEFI).
I tried inserting the Windows 7 disc so I can access Startup Repair or Command Prompt but it freezes before it could get anywhere even when I tried it with an external CD/DVD drive.
I cannot get the laptop to boot to the hard drive or CD drive at all,
how I can reset the boot option priorities so it will be boot to the hard drive again.
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Jan 11, 2013
I have installed windows 8 on a windows 7 PC on a separate hard disk. But I am unable to get boot option at startup. Every time I have to select windows 8 boot disk from bios boot menu.
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Jun 6, 2013
My notebook has a Win 8 OEM key in UEFI. After wiping my hard disc I want to install Win 8 retail instead of OEM version.
Because this is not possible with stored OEM Win 8 key I want to boot with a Win 7 BootCD and patch the UEFI with a Win 8 retail serial key.
For that I need a Program like SLIC which accomplish this task.
But where do I get this SLIC tool?
is there another way to enter a new Win 8 key into UEFI from Win 7?
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Nov 17, 2013
I just install windows 8 using BIOS , but now i want to change it to UEFI boot. so i followed steps below
1.create and format a new FAT32 partition K:
2.my windows8 is in I: so , i use this command bcdboot i:windows /f all /s k: and succeeded.
3.i checked with the bootice about the BCD in my K: and found it indeed point to i:windows just like the picture below [URL]
4. and i restart, choose uefi boot in BIOS configuration and it showed like this: [URL]
5. i checked my k:/windows/system32/ , there is a winload.efi file... [URL]
The most strange thing is that i've copyed my winload.efi to other computer which is already in UEFI mode , and also i've copyed it in my virtual machine, it works fine! So my winload.efi should be OK.
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Jul 6, 2013
I've downloaded a legal iso from MAPS, i ve slisptremed all latest updates into it with Windows download integrator (it uses dism afaik) , then the problems comes in - i cannot use USB as my install.wim is 4,8 GB. I ve burned a Dual layer DVD with Windows 8 stock recorder and the PC doesnt see the DVD drive as bootable. When using stock it boots uefi from pendrive without any problems. How to make this updated iso boot into UEFI mode ?
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Jan 26, 2014
I have a Lenovo laptop that came with Windows 8 pre-installed. I decided I want to dual boot with XUbuntu.
I shrank my partition and left space for the linux distro. I installed xubuntu into the free space, and even set the bootloader installation to be in that partition as well.
Then after installation, I only get the GRUB bootloader. How to get Windows 8 back and I finally be able to boot into either OS.
However, I have lost the blue UEFI boot manager that Windows 8 should display.
So I get EasyBCD on Windows, try lots of options to regain an original boot manager. But instead of the typical blue UEFI screen, it created a black screen with my boot options (and the linux option doesn't boot from there).
So to summarise, my boot sequence is like this:
-Switch on laptop
-See GRUB, with default pointing to Windows. I am able to boot to linux from here.
-Click Windows and then see Windows Boot Manager (black) with Windows and Linux
-Click Windows and it boots. Click linux and get an error.
I have secure boot enabled, and I installed xubuntu in secure boot mode.
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Nov 27, 2012
My bios shows uefi boot option but no uefi shell... I enabled uefi boot option and booted my dvd it asked me to partition my hd using a GPT format... I even did so so... but when I run
Code:
bcdedit /enum
In elevated command prompt it shows me this
Code:
Windows Boot Manager
--------------------
identifier {bootmgr}
device partition=DeviceHarddiskVolume1
description Windows Boot Manager
[Code] .....
The bold line means my system does not boot from efi... isn't it?
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Feb 2, 2013
I had ubuntu within my windows 7 earlier. Later when i installed windows 8, i formatted the partition ( E: ) in which ubuntu was installed, since the wubi uninstaller was not working. Still when i start my system, it shows ubuntu listed in the boot list. I tried to load it once. It gave an error. There is no error when i select the default windows 8.
Now i checked the boot option in the msconfig as per the thread, but only windows 8 is listed there, no ubuntu. But still it is listed in the boot menu. I tried the disk manager, the only partition without NTFS file system is the one with status "healthy (OEM partition)". I dont know whether its a ubuntu partition. And there is no option to delete it also. No other ubuntu partition. I want to remove the ubuntu boot option from my os list. How to do it?
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Jun 27, 2014
1st partition is Win7 SysPrep and the 2nd partition is Windows 8.1 Sysprep. I install Win7 and press Ctrl-Shift-F3 to form SysPrep, same as Windows 8.1 in 2nd partition. I made this becuase I've 25 Dell new Windows 8.1 Computer which are UEFI. I want to clone it to the other 24 Dell computers.
CASE 1 : 2 different partitions with 2 different Windows :
---------------------------------------------------------------
If I install both Windows like above, when Sysprep Generalize Win7, it works fine. But if I SysPrep Generalize Windows 8.1, it's fine also, but never can boot again back to Win7. The start boot option is like this :
Windows 7
Windows 8.1
If I choose to boot Windows 8.1, it's fine. If I choose to boot Windows 7, it ever boot to Windows 8.1. It means nomatter I choose to boot which Windows, it all goes to Windows 8.1 ?
CASE 2 : 1 partition for Win7 + Win81.VHD :
---------------------------------------------------------------
I install Win7 (C and press Ctrl-Shift-F3 to form SysPrep.
I create a Win81.VHD in Drive D: , imagex Windows 8.1 install.wim in it. Also press Ctrl-Shift-F3 to form SysPrep.
Sysprep Generalize Win7 is OK , SysPrep Generalize Windows 8.1 is also OK. But after that I can only boot to Windows 7 fine, when choose to boot Windows 8.1 , it always restart and back to the boot menu ?
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Apr 2, 2014
So I've searched, and I've tested, and now I'm about to turn my laptop into a frisbee and never buy a Samsung PC again. In short, I bought an ATIV 7 whose previous owner had downgraded to Win7. I wanted to put Win 8 on and I have a volume license as well as the OEM key so I burned the ISO (actually 2 different ones) using every method I could find (ImgBurn, Rufus, Iso2Disc, Win7 Download tool, etc.) It became clear that the USB needed to be formatted FAT32 with GPT filesystem, however in UEFI mode it shows the USB but won't allow me to select it - it just flashes. If I set it back to CSM and UEFI I can make a USB boot, but even if I use diskpart to clean the drive and convert to GPT it will fail to install because it detects I didn't boot in UEFI mode.
Here's the deal. When I'd installed it earlier this week in CSM and MBR mode, and then converted to UEFI it worked fine. So....I tested several recovery programs we use at work to make sure they'd restore it okay via bootable media. Paragon, Aomei, Macrium, Lazesoft - all boot media failed. ONLY True Image 2014 DOES ACTUALLY BOOT in UEFI mode on my laptop. The only thing I can figure is that the way WinPE 5 or 5.1 (whatever it uses) is set up on it agrees with my laptop. So how I can modify the Acronis recovery media or create similar WinPE media that might actually boot on my laptop.
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Jul 21, 2013
I have a desktop PC Acer XC600, the hard disk is formatted in the UEFI-Scheme. Now I want to do a clean install of a fresh Windows 8, but I cannot manage to boot into UEFI-mode, neither from DVD or USB.
I can reach a boot menu by pressing F12, but there is nothing like shown in the article about installing Windows 8 in UEFI mode. Only standard bios devices show up. There are simply no UEFI devices. I tried different usb sticks, dvds, formatted them different ways, but the best I can get is the point where setup says "cannot install because the disk is formatted GPT".
But the acutal system is definitely running in UEFI mode (?)
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Jul 9, 2013
accidentally i delete my efi partition. now i cannot boot up to windows 8
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Feb 22, 2014
My Dell Inspiron 660 is 2 months old. It came with Windows 8 preinstalled. My problem: I am trying to change the boot order so I can boot from CD ROM as a first option. I have tried using the "F" keys on boot, but it just ignores me and goes on to boot up. I have also tried the "Advanced Options > UEFI Firmware Settings" in "Change PC Settings" and got the same results. I spent some time on the phone with a Dell tech. After trying all the things I had already tried, he and his supervisor decided I must have a bad Motherboard. Does this sound right? Is there any way to repair this problem?
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May 29, 2014
I had an issue with my Windows 8 where I was forced to reinstall it. I have completely wiped my SSD and reinstalled Windows 8 on it. However, now it will not let me pick my boot order. It is forcing me to use Windows Boot Manager as my Boot Option 1. If I use anything else, I just get a black screen with a blinking line cursor.
It didn't use to do this before I had to reinstall. I'm not sure how to fix this. It also will not let me choose F11 boot options, it always is forcing me to use Windows Boot Manager.
How do I make it so I can boot from whichever boot order I want, instead of using Boot Manager?
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Jun 28, 2013
I have installed Blue 8.1 on a separate drive in my system along side 8.0. When I restart the 8.0 boots unless I manually select the 8.1 drive in bios. How can I alter the Boot menu to add the option to boot from either OS?
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Feb 18, 2013
Late last Fall I bought a new Desktop, an HP H81414, with Windows 8 installed with the intention of installing Windows 7 on an SSD. I migrated Window 8 to an SSD, removed that from the system, installed new SSD and put Windows 7 on it. Both worked fine. I wound up with 2 SSD's. capable of running on the EFI BIOS machine with Secure Boot turned off. I later bought a new laptop with Windows 8. I found the Win 8 with Classic Shell to be very acceptable.
What I would like to do now ,if possible, is to mount both SSD's in the HP case and switch to either one of them at boot.
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Jun 22, 2013
I have looked around a bit and all solutions to this problem require me to get into the startup screen when booting from the installation disk upon startup. The problem is I cannot get to that screen!!
I am a uni student and can download windows 8 OS for free at msdnaa, I have done that and made an image file on a dvd and usb stick. I then put both of those into my dell N5010 (which is running win 7 now) and try to access them upon startup, (I go into the boot menu and try booting from booth DVD and USB) and both times I just get the error "boot manager is missing press ctr, alt, del to restart) so I cannot even get into the installation screen to do the repair that is says I need to do on all the other solutions I have seen.
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Apr 28, 2014
I had windows 7 running on my computer. When windows 8 came out I used a second harddrive as the windows 8 installation drive. Windows 8 automatically setup a dual boot system where every time I started the computer it took me a windows screen where I could select either windows 7 or windows 8. This has been going on since Windows 8 was released.
I decided it was getting old so I decided it was time to remove the old windows 7 harddrive. I tried doing it inside the windows 8 dual boot screen but could not find an option. So I decided to reformat the windows 7 harddrive. I did this in command prompt mode. After doing so when my computer restarted it said it could not find any harddrive to boot. Windows 8 is installed on the other harddrive, the one that was not reformatted. So how do I get it to start using that harddrive as the boot drive? I checked my bios and even physically disconnected the old HD that had windows 7 on it, but none of that seemed to work even though the Windows 8 HD is definitely in the boot order in the bios.
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Feb 2, 2014
I've had Win 7 Pro on my laptop for over a year. I installed a 2nd hard drive to it recently and today I installed Windows 8 Pro on the 2nd hard drive. It's been a roller coaster of good & bad luck.
The first install went fine, until I tried to install the Windows 8.1 upgrade from the Windows store, then things went bad and I had to go into Windows 7 and eventually delete the Windows 8 volume and change it from MBR to GPT because of UEFI (no secure boot enabled). What a stretch of error messages telling me I can't install Windows 8 on the blank hard drive because it was or wasn't MBR or GPT, or the automagically made partitions weren't in the right order.
After spending over 7 hours twice in a row installing Windows 8, I finally find out that there's no boot option for Windows 7 anymore.
The only clue I have is to use a Windows 7 repair disk and use diskpart.exe and make the Win 7 drive "active" but that's a little foreign to me at this point.
I'm looking in Computer Management / Disk Management from within Windows 8.
Disk 0: SYSTEM D: 438 MB NTFS (lengthened from 199 MB with EaseUS because Acronis 2014 thought it too small while crashing), Healthy (Active, Primary Partition); Win 7 E: 930.98 GB NTFS Healthy (Primary Partition); HP_TOOLS F: 102 MB FAT 32 Healthy (Primary Partition)
Disk 1: 300 MB Healthy (Recovery Partition) {no letter}; 100 MB Healthy (EFI System Partition) {no letter}; C: 931.00 GB NTFS Healthy (Boot, Page File, Crash Dump, Primary Partition)
And several other external disks which don't deserve mention today.
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Sep 15, 2014
I have installed windows 8.1 and Windows 7
And the boot manager was windows 8.1
After the my Windows 7 crashed, and I reinstalled
The boot manager now is Windows 7
How can I get Windows 8.1 to be the boot manager?
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Dec 3, 2011
I cannot boot Windows 8 without the DVD but I'm thinking its not Windows 8 and the bootloader its my motherboard along with the IDE 2nd hard drive (BIOS settings?). I get a message about my secondary maxtor IDE drive upon boot up. It says something like choose the following 1) FD No Emulation system HD00 2) FD No Emulation system HD00 2). It doesn't stay there too long it defaults to 1) and then says press any key to boot to DVD... then it boots up to Windows 8. However, if I do not have the Windows 8 DVD in the IDE DVD drive it will not boot it just flashes the "_" underscore and hangs. If the DVD is in the drive it works.
Gparted partition tools shows the correct boot flag. I'm not sure about the Fdisk status of the partition table maybe that will be next. I'm wondering if I should try the bootrec /fixboot command but concerned about having to start from scratch again.
ASUS M5A88-V EVO AMD 880G AM3+
Kingston Memory KHX1600C9DX2K2/8GX Hyper x Gray 2X4GB (8GB)
Thermaltake TR2 600W ATX12V
AMD X4 970 black edition
No video card yet
Western Digital 160 GB sata (Not a Raid just a default setup)
Maxtor 160GB IDE
Phillips DVD 16x IDE writer.
Standard DVI monitor & cable
Antec 300 case.
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