Questions tagged [boot-manager]

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How to add a new boot option to Ubuntu boot manager

My friend dual booted my PC with Windows 10 and Ubuntu 20.04. Now I want to add a new boot option of Neverware Cloudready, which is just ChromeOS. So basically I want to triple boot. My current system ...
1 vote
2 answers
233 views

Linux is not appearing on boot menu

After updating BIOS I am able to run Windows only, but not Linux: enter image description here However, after plugging in pendrive with linux subsystem, using "Boot Rescue" option, I am able ...
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0 answers
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Windows 7 and 10 dual boot from separate drives. Can not install Win10 on selected drive

I have desktop PC (with 3 normal SATA hard drives, each with multiple partitions). Windows 7 64 are already installed on one partition of one of the drives, in MBR mode. I want to install Windows 10 (...
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3 answers
2k views

Not able to boot from USB on Acer Aspire TC-895-UA92 Desktop, F12 not working (trying to install linux/ubuntu)

I want to install Linux/Ubuntu on this desktop but cannot boot from the USB to do so. I am not concerned about dual boot or partitions. The Acer Aspire TC-895-UA92 Desktop is not booting from the USB....
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0 votes
2 answers
44 views

Hibernate or save before switch between OSs

I have multiple OS, Windows and Linux via multi-boot (windows boot-loader), but every time I want to switch between them I must shutdown one OS to boot up other one, has there any way to hibernate or ...
-1 votes
1 answer
56 views

Can you dual boot without a boot manager

I have a TV box. I want to dual boot Linux and Android, however this device doesn't have a boot manager, how do I do it?
1 vote
1 answer
636 views

Accidentally deleted the contents of my boot manager's EFI folder. I don't have a repair disc, but computer is on. (Windows 10)

After i had uninstalled the rEFInd boot manager, i realized that i had accidentally saved it in the same directory as my actual Windows boot manager. Because of this, the entire D:\EFI folder is now ...
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2 votes
1 answer
5k views

Cloned Windows 10 hangs in black screen with cursor

I cloned Windows 10 from a HDD Partiton into an SSD Partition. The SSD has 2 Partitions: one (1st) is Windows 7 (manually installed) and the other is the cloned Windows 10 from previous HDD. I created ...
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0 answers
154 views

How to add Ubuntu on second Hard Drive to Windows Boot Manager?

I need to add Ubuntu on a second Hard Drive to the Windows Boot Manager, because BitLocker doesn't work with GRUB and the Boot Device Selection is secured by the UEFI password. I tried to copy the ...
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1 vote
0 answers
3k views

GRUB with higher resolutions - really slow

My monitor's native resolution is 4k. However, when I run GRUB in 4k (or even at something around 720p), it is extremely slow (about 1 second lag between keyboard events and reaction on the screen). ...
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0 votes
2 answers
1k views

Windows 7 won't boot after last update from January, 2020

I have Windows 7 and Linux Mint (19.3, Cinnamon), both 64-bit as a dual boot on my PC. Windows 7 is installed on my HDD and Linux Mint on my SSD. Today I installed the latest update (from January ...
1 vote
1 answer
2k views

Boot Windows from NVME via bootmanager on SATA SSD

I'd like to run Windows off my NVME SSD. My mainboard has an EFI bios but does not support booting from NVME. My current SATA disk has a GPT partition map and boots through EFI. What I wonder is, ...
0 votes
1 answer
964 views

Dual boot - 2 OS in 2 HDD in a laptop

I have a Sony VAIO laptop. I have installed Windows 10 on my HDD. And I have removed the CD drive and inserted another HDD (windows 10 installed) there using a caddy. I am changing the boot order in ...
1 vote
2 answers
1k views

Windows Boot Manager appears only randomly

I had Windows 10 on my laptop and I've installed Windows 7 on different partition. At the beginning everything was fine, but after 3 weeks Windows Boot Loader started to not showing up, randomly. ...
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4 votes
2 answers
10k views

"Ghost" blank UEFI entry in Gigabyte BIOS

Background I was trying to install macOS (Hackintosh) alongside Microsoft Windows 10 on my SSD, so I shrank the Windows partition using Disk Management and left an empty exFAT partition next to C: (...
0 votes
1 answer
3k views

Laptop Won't boot directly to windows 10

Everytime I turned on my computer it leads me to a black screen with the message of "Reboot and select proper device boot". What I am doing in order to successfully lead the booting process to windows ...
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2 votes
1 answer
600 views

Broken boot manager bootmgr Windows 10 SSD bootrec

takes a deep breath My System: Windows 10 Home Version 1703 OS build 15063.966 Trying to update to version 1803 (KB4340917) The updates continually failed. I literally had the windows 10 upgrade ...
0 votes
1 answer
182 views

Cannot boot dd'ed windows partition

Until yesterday, I was happy with my partition schema: Device Boot mounted at /dev/nvme0n1p1 * /boot/efi /dev/nvme0n1p2 swap /dev/nvme0n1p3 / ext4 /dev/...
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1 vote
0 answers
648 views

How can I boot into Windows 10 DVD from UEFI?

I have a laptop which has a weird boot issue (the issue is - hopefully - not relevant to this question; and I'll post a Q about it later; but in short, on boot, it goes into Windows Boot Menu with 4 ...
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1 vote
2 answers
734 views

What are the implications of not installing a Linux boot loader and use UEFI instead?

Before UEFI, installing a boot loader was necessary to boot an OS, with the introduction of UEFI, many UEFI firmwares come with a decent boot manager and boot loader that allow the user to boot the OS ...
1 vote
1 answer
817 views

Is it possible to run MS-DOS from bootmgr?

I successfully created a multibootable USB using WinSetupFromUSB, allowing me to boot into an ISO for MS-DOS 6.22 and installer ISOs for Windows 7 32- and 64-Bit from a single bootable USB. However, ...
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0 votes
3 answers
904 views

Windows Boot Manager Screen comes up even though I have 1 OS

One day, I turned on my computer as I usually would. No other operating systems on it except for Windows 7. (Although I'm thinking about dual booting it with Linux.) However, then and almost every ...
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2 answers
3k views

Windows 10 Creators Update: Error 0xc000000e on Restart

When I download and install the Creator Update (Feature update 1703), and then restart my computer, I get this screen: I can bypass this recovery screen by going into 'UEFI Firmware Settings' (and ...
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0 votes
1 answer
2k views

Laptop stuck at boot menu screen

My lenovo laptop is stuck at boot menu. On starting the laptop the boot menu loads up and shows various boot options but on selecting a particular option , the boot menu load again . How can this be ...
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0 votes
1 answer
133 views

Setting Up A Boot Manager For Multiple Operating Systems

I asked this on Stack Overflow but apparently it's more suited for here, I hope someone is able to help. This issue is a little broad and requires some background. I have had Windows 7 installed on ...
0 votes
1 answer
98 views

Multiple operating systems on the same PC and Large Drives

I've always had multiple OS on my Computer. Using MBR and Boot managers i was able to do this until now. But today i've replaced my Pc with a new one that have a large HDD , 5TB. Reading on internet i'...
0 votes
1 answer
2k views

Old redundant Windows 10 boot manager entries after clean installation

I wiped my drive (/dev/sda) which contained previous Windows 10 installation by using gdisk in Arch (which is installed on /dev/sdb) and choosing z for zap (wiping GPT) and deleting whole partitions ...
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0 votes
1 answer
3k views

can't install windows in UEFI mode

I have a dell inspiron 15 7000 series note book. I had win 10 installed in it. Due to some reason i planned to reinstall win 10. So i changed the boot setting from UEFI to legacy and then i deleted ...
7 votes
1 answer
4k views

Is it possible to select which system to boot before rebooting, on a multi-boot UEFI system?

I'm wondering if there's a way to have a computer with UEFI and two different OSes installed (Windows 10 and Linux Mint 17.x in my case) where you don't have to wait for the system to shut down in ...
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1 vote
2 answers
758 views

Boot Windows directly through Grub2

I have an UEFI multi-boot system with Windows 7, Windows 10 and OpenSUSE. Currently when I want to boot Windows, I first need to select Windows Boot Manager in Grub2, it then chainloads the Windows ...
1 vote
0 answers
171 views

Move Windows 8.1 to other hardrive on dual boot system

I am trying to move my windows 8.1 OS partition to a second HDD. I will try to explain what I have tried so far. I started with a Windows 8.1 installation on a SSD (120GB). I have also an HDD of ...
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1 vote
0 answers
9k views

Boot priority list empty

I have just bought a second hand Samsung Series 5 Ultratouch NP540U3C-A02UK. It has Phoenix SecureCore Tiano BIOS, version P07ABH. I bought it without a hard drive and when it arrived I installed the ...
1 vote
1 answer
319 views

Modifying System drive for Windows 7 / Windows Server 2012

I have a computer with two hard disks and a dual boot : Windows 7 and Windows Server 2012. The system partition is on the Windows 7 partition. I want the System partition to be on the Windows Server ...
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1 vote
0 answers
703 views

How to change UEFI bootmanager from EFI Shell?

When booted to the EFI shell, I see I can access the EFI variables, which contain the boot manager settings. But how do I change boot order or add new boot options while inside EFI shell?
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3 votes
2 answers
22k views

How to change active boot partition of Windows 8.1 UEFI?

I've a 64 bit Windows 8.1 on GPT / UEFI and am trying to boot to another OS without a CD-ROM or external harddisk. I've created a fresh partition (Z:) and copied Puppy Linux.iso over to it. However, ...
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0 votes
1 answer
54 views

Linux Installation - Boot Manager Not Finding CD/USB

I have an Acer Aspire laptop with an intel I5 processor. I'm trying to install ubuntu alongside Windows 8.1. My problem is my boot manager is NOT finding my external hard drive nor the dvd I made with ...
0 votes
1 answer
676 views

System Reserved partition is showing up in “My Computer” along with other partitions

I use Windows 8.1 along with Ubuntu 14.04(Gnome) a dual boot. I used boot manager in Ubuntu to fix the grub in Linux to make Windows boot appear in the grub. Later I found Windows has two entries in ...
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-1 votes
1 answer
33 views

Windows 8.1 will not boot up and I want to move all of my files

My Windows 8.1 laptop will not boot up in normal or safe mode. This has been happening recently. Is there a program I can use to take all of my files from my primary hard drive and move them to my 2nd ...
-3 votes
1 answer
1k views

Cannot access the boot manager

I had installed a MSI G41m-P33 combo Motherboard recently and since then, I have not been able to access the boot manager by pressing F12. It does not even show the keys to press during the PC start ...
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-1 votes
1 answer
109 views

Multiple Boot Manager [closed]

My computer dual boots with Windows 8 and Ubuntu on separate partitions. I am planning to install Mac OS X on another partition, but I need a better way to manage the boot options if I add more boot ...
0 votes
2 answers
4k views

How to disable or choose the 'correct' windows boot manager?

I have recently changed motherboard CPU and Ram, my PC was growing for around a decade and it's a bit of a mess. I have 4 Hard drives 1 SSD and 3 HDD all full of valuable data (not photos). Before ...
0 votes
1 answer
6k views

Windows 8.1 installation from USB after deleting Windows Boot Manager in BIOS/UEFI

I removed Windows Boot Manager option from BIOS (UEFI) with EasyUEFI, after reboot I got an error message about broken BCD, need to be recovered, I tried to reinstall Windows 8.1.1 Pro X64 from USB ...
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0 votes
2 answers
187 views

Can the Windows 7 Bootloader detect Windows 8?

I currently have Windows 8 installed and want to install Windows 7 (better'd be Windows XP). But I know that the Windows 7 Bootmanager will replace the Windows 8 Bootmanager, and I´m not sure if the ...
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3 votes
5 answers
3k views

Chainload Windows boot manager from another?

Is it possible to use the Windows Boot Manager to chainload another Windows Boot Manager? For example, (how) can I use a boot manager on C:\bootmgr that reads C:\boot\BCD to chainload another boot ...
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1 vote
1 answer
510 views

"Not a bootable partition" from Haiku's boot manager for new Linux partitions

I just did this: made an Intel Extended partition covering the whole HD using Haiku Alpha 4.1's DriveSetup made several BeOS partitions deleted the first one installed Haiku onto one of the other ...
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0 votes
2 answers
2k views

Samsung stuck at boot options screen

I have a np300e5c that's stuck at the boot options screen. It shows two identical Windows boot manager options, I can't get passed this, every time I select one, it just comes back to the same screen. ...
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2 votes
0 answers
470 views

Did I kill windows boot manager? I can't boot after installing FreeBSD

I installed freebsd with dual-booting. I specified an empty partition for freebsd auto-configuring. After it was installed, windows boot manager disappeared. What's going on? Should I recover it, or ...
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3 votes
2 answers
7k views

Since EasyBCD is no more free as beer, what can I use instead? [closed]

Is there an easy-to-use and reliable alternative?
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17 votes
9 answers
250k views

The boot selection failed because a required device is inaccessible 0xc000000e

A family member of mine recently went on vacation and turned off their computer, something they normally do not do, upon returning home it would not turn on and now returns a black screen with the ...
2 votes
0 answers
261 views

Recovering multiple partitions with testdisk in a multiboot configuration

I'm facing this kind of problem for the first time. Two of my three partitons got corrupted. In searching for a solution, I found testdisk. I've read the tutorials and feel confortable to use it, ...
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