How To Add Windows To Grub2

how to add windows to grub2. Arch Linux Advanced options for Arch Linux Windows Boot Manager (on /dev/nvme0n1p1) UEFI Boot options Windows Windows. But my Windows XP installation did not follow in the Grub2 setup, does anyone know how to add Windows XP to grub2? For the record Grub2 does not contain a menu. You can add a custom entry to GRUB2 by editing /etc/grub. Then you are able to open Group Policy Editor on Windows 10 Home veresion easily. I used --id windows-custom. Then enter gksu nautilus and your password, to get full read/write access. If you want to add windows boot manager to grub, follow these steps; 1-Download os-prober 2-Run: sudo os-prober. You'll have to go to the correct partition (1,0):. This page details how to build and incorporate custom menus into the GRUB 2 menu. If you specify an entry number, the new entry is inserted at the given position in the GRUB menu. If that's the case, you can't add Windows to the grub menu. Installation. This is a guide Install GRUB. Install a Linux boot loader (LILO or GRUB) into the boot sector of your Linux partition. Re: Add Windows boot to GRUB So I think you need to install windows first, followed by instllation of arch in EFI mode, using the same EFI partition for bootloader installation. This will search for other operating system installations besides the current distro you're booted into. grub2 files in each of the grub2 folders on the second partition and add the contents of. I Think you have Windows installed on BIOS/MBR mode but your Manjaro is in UEFI mode. Windows will overwrite the boot sector whenever you install it. If you're editing an existing config file, make a backup! I used Grub-Customizer to add the new grub config. However, I still do not know how to add Windows to the GRUB OS list. The 2nd and 3rd steps can be done using a single command, grub-install. In fact, you can get started adding a new OS right away. It should run the os-prober command @pebcak mentioned, and allow you to edit & save a new grub with Windows boot-loader inserted, all with an easy enough to use GUI. Due to the way GRUB Legacy (grub-0. To repair grub from windows, install Windows 10 afresh so that the installations done previously completely get removed. More information. Add Windows Install ISO to a grub4dos or grub2 bootable USB drive; Add a menu for grub4dos\grub2; The menu uses wimboot to boot to files inside the ISO; Add in a null. As I've made Arch Linux my Primary OS, I was faced with a task of adding a Menu Entry to GRUB2 so that I could boot into my secondary OS ( Gentoo), by just selecting which one to boot to on Grub2 menu. There is also a method to create USB [multi]boot pendrives (almost) automatically, grub-n-iso_multiboot. 97) and GRUB2 were slotted in Gentoo, both versions of GRUB may be installed on the same system at the same time; however, only one version at a time may be installed in the Master Boot Record (MBR) of a hard drive. Thanks Dhaval Thakar for this tip. Add an entry to chainload that file to the NT boot menu. Press Windows + R to open the Run box. Fix the shown vales to your system, save the file. d/40_custom Add the following […]. By default, GRUB (Legacy) should be preselected in the Type dropdown menu. exe amongst several other files. If you install Ubuntu or other Linux operating systems alongside Windows, then Windows will automatically be added to the Grub2 menu. End of instruction. Thing is, Windows installer forced me to install it on another drive using GPT. Add a comment 2 Answers Active Oldest Votes 25 Boot to your Linux Open a Terminal window Type: sudo os-prober If the results identify a Windows 10 install, type sudo update-grub which will update the GRUB entries and add it Reboot your computer and test to see if Windows 10 is a new option to select. bat file and winpeshl. You can boot your Windows in grub2 by: insmod ntfs set root= (hd0,1) chainloader +1. Please inform me of entries you get to work and I will add them to the list, so that others may benefit as well. To add the entry, click the Add New Entry tab. Use sfdisk to create two partitions. The following lines need to be added to /etc/grub. cd /d C:\grub-2. d folder and add the following lines to it. Grub2 Windows Iso Install. Jun 26, 2017 Install Grub2 Run Command Prompt under Admin and go to the grub-2. [SOLVED] how to configure grub to add windowXP to grub list. 2) Select Remix OS. Installing windows after arch is usually not recommnded as it overwrites EFI. Windows is installed on the sdb disk. Many people prefer to install Linux in dual boot mode with Windows. Although Linux-based, it fully supports the NTFS file system. In this example, a Kubuntu 15. Note that we would need root permissions to create this. 1) Repeat Step 3 , except that when it asks you to which format to use, select "Ext4" for maximum storage. Post-Windows update, Microsoft overrides the Windows Boot Manager to use the NT bootloader. For this, you will have to download the ISO file of Windows 10 on another device and get it burned on a DVD. How to remove grub2 and get back to windows manager in MBR wndows 10 in Installation and Upgrade Following Ubuntu Ugh! instructions precisely it installed version 16. The grub2 menu system will enumerate the. Copy that file to the root level of the Windows partition. If you install Grub2 manually, you can add Windows to the Grub2 menu manually. Check the number of hard disk you will install, be it USB or HDD. Then reboot to check that it's added. I therefore ended up trying to add it manually to grub, but I am a bit stuck. Some of them use Linux as their primary OS while some prefer Windows as their primary OS. $ sudo os-prober. cfg menu entry: menuentry "MS Windows" --class cl-windows --id id-windows { search --fs-uuid --no-floppy --set=root XXXX. If you want to add windows boot manager to grub, follow these steps; 1-Download os-prober 2-Run sudo os-prober If you see something like that, you are good to go. msc to open Disk Management. Grub2 for Windows supports installation and boot on three platforms: i386-pc. Reads grub. So, I would like to add Windows to the GRUB menu, I saw I have to mount the Windows partition, but since it is on a completely different drive I have no idea which partition I have to mount. Now DON'T GO FOR THIS. Note that you can specify multiple parameters for the GRUB_CMDLINE_LINUX key, similarly to adding the parameters in the GRUB 2 boot menu. In the box, type in gpedit. The entry that it generated automatically didn't work, so I edited it as a custom script as per telcoM's suggestions. Solution 4: Clean Installation Of Windows 10. Unofficial Ubuntu Starter Guide - How to add Windows entry into GRUB menu? On-line Guides: All Guides: eBook Store: iOS / Android: Linux for Beginners: Office Productivity: Linux Installation: Linux Security: Linux Utilities: Linux Virtualization: Linux Kernel: System/Network Admin: Programming: Scripting Languages:. Finally there is an optional step that it is removing grub so that it chainloads Windows menu in the first place automatically at boot. 1 to windows 10. I'm using a dual-boot Mint / Windows 10 system. lst file, it got a grub. Then this whole configuration disappeared. ISO images contain full systems. default choice would be on the MBR. I added support for ntfs drives and mounted sdb, before running os-prober, but it wasn't able to locate anythin but CentOS. GParted is a Gnome Partition Editor. So far, I could only test with EasyBCD but it seems a bit outdated. GRUB_DISABLE_OS_PROBER=true change GRUB_DEFAULT=0 to GRUB_DEFAULT=windows-custom and change GRUB_TIMEOUT=10 to your choice of timings I use 0. rpm yum install fuse fuse-ntfs-3g grub2-mkconfig. I ended up with a Grub OS list containing only the Arch Linux option and no way of accessing my Windows 10 partition. No, i did not update /boot/grub/grub. cfg again to add other menus Take Fedora 25 as an example: You should always reference to the original grub. I succeeded to show the GRUB menu. This feature is not yet available at the Rescapp program. This folder will contain grub-install. Now I can use : either GRUB where I can choose between Mint and Win10, or windows boot manager that I have to select directly from UEFI boot options. Use the add-entry subcommand of the bootadm command to add a new entry to the GRUB menu with the specified entry title. It should detect the Windows 10 install when you run it, so keep an eye out for some message about detecting a Win10 install. cfg |grep Fedora grub2-set-default "Fedora Linux, with Linux 3. All you need to do is direct GRUB2 to the appropriate file, and tell it where it can find the kernel and the initramdisk or initram filesystem (depending on which one your distribution uses). Here I’m dual booting Windows 10 (bootlader) and Gentoo/grub. If this is your first time accessing the Boot Manager, you can rest easy knowing that the process is not overly difficult. #! /bin/sh -e echo "Adding Windows" >&2 cat << EOF menuentry "Windows" { set root= (hd0,1) chainloader +1 } EOF. To update the kernel parameter in grub2, edit the /etc/default/grub file first. STEP 7 : BOOTING REMIX OS. conf file with multiple partitions: dasy2k1: Linux - General: 1: 04-19-2007 08:42 AM. And did have to Add a separate Entry to the EFI Menu ans also i had to change the boot order via efibootmgr -o. If u want to go my way , don't go for it. In this case, \$esp was /dev/sda1. Share Improve this answer. Then click on the Linux/BSD tab. For example:. Thanks everybody! in grub, I now see. Keyword in a nutshell : Grub2 can be placed inside any MS Windows to enhance the booting power. However, if it doesn't, you'll need to add it to the GRUB configuration manually. That's the basics of multi-booting of dual booting with Linux and Windows using GRUB. Install Grub2 On Usb From Windows Installing Windows second sort of destroys Linux boot capability. ) Our baked-in dual boot logic only goes so far as Windows and UEFI though, so all of this is untested. After downloading it, install it as you would any other Windows application. Restart it and now you should be able to see both the OS. How to boot into Windows installed on a separate SATA drive. And then press "F10" to boot it. Save the changes and reboot your computer from the Windows DVD. After a few moments, you should see the install setup screen. Grub is a popular boot loader that many popular Linux distributions come pre-packaged with, such as Ubuntu LTS. Adding MemTest86 to Grub Background: Some of our customers have been asking whether Memtest86 can be used in conjunction with Grub. This will opens the new window. Open a terminal and type: sudo gedit /etc/grub. sudo sfdisk /dev/sdz << EOF ,500M,,* ,,7,; EOF. The alteration is merely adding a more powerful and easier boot loader Grub2 as an additional tool. Uses of a Custom Menu. The original boot loader is untouched and is still the one that boots the MS Windows. 04-for-windows. However, I then later deleted Windows 10 from the list of OSes in. Here is an example: grub> serial --unit=0 --speed=9600 grub> terminal_input serial; terminal_output serial. boot-loader dual-boot grub2 Ubuntu windows. Then you need to update grub to use the config with: grub-mkconfig -o /boot/grub/grub. then add epel repo # wget # rpm -ivh epel-release-7-5. I've executed commands : sudo grub2-editenv - unset menu_auto_hide sudo grub2-mkconfig -o /etc/grub2. In this tutorial, you will learn how to work with GRUB 2, add and remove menu entries, customize titles and boot options, dual-boot and triple-boot operating systems, combine legacy GRUB and GRUB 2, and we will even see how Windows fits into this scheme. Two options are provided below - using the grml-rescueboot package to automatically create the menuentry, or manually editing the GRUB 2 configuration scripts/files. cfg file, this file does not use the standard grub code that i am used to. However, after a manual re-install of Manjaro, the Windows (10) entry in GRUB disappeared. # wget # rpm -Uvh rpmforge-release-0. Now you can go about installing your linux system. Here I am interested in restoring access from Fedora boot loader to my Windows 10 installation. cfg The added lines for Option 1 go like this: menuentry "Windows 7" { insmod part_gpt insmod chain set root=' (hd0,gpt1)'. Now when rebooting if you boot windows you will get a Windows menu with two options: Windows and the new Linux option which will chainload GRUB. It should start if installation is successful. I dual-booted the two OSes, and it was fine for a while. set superusers="root" export superusers password root. I also saw that after mounting Windows I have to run grub-mkconfig, in order to update the GRUB menu. Now we need to create a custom grub script to add the Windows entry in the Grub menu. No harm, it just wouldn't do what you want. sudo grub-mkconfig -o /boot/grub/grub. How to restore GRUB menu after Windows installation. (I had a Linux Mint in place of Fedora, and Mint had access to Windows but not to Solus. Install Grub2 for BIOS (i386-pc): grub-install. 99) is installed in the MBR of /dev/sdb and looks at sector 2048 of the same hard drive for core. Installing the Grub files in /boot/grub. (rEFInd does this on every boot, but GRUB does it only when you install GRUB or run a command like update-grub. 10 Karmic Koala and Grub2 followed with it. 02-for-windows directory that you extracted above. To install GRUB into the MBR (master boot record), enter these commands into GRUB: grub> find /grub/stage1 find /grub/stage1 (hd0,0) (hd1,0) Note there's two entries listed here, and you'll probably see the same; that's quite normal. The first serial port has the file name /dev/ttyS0, the second serial port has the file name /dev/ttyS1, and so on. To modify your grub bootlist in Ubuntu, open a Terminal or press Alt-F2. Adding an Unlisted ISO: To try ISO Files that are not yet listed, use the existing menuentry examples in /boot/grub/grub. cfg to boot CloudReady (with some minor modifications. 04 box as a Grub menu item. In my case, Windows is installed on /dev/sda and it created three partitions out of it: /dev/sda1, /dev/sda2 and /dev/sda3. I know there's been a million threads on this already, but none of them seem to help me. This won't work with newer windows versions or with newer hardware. How to identify the name of the boot drive (hd0, hd1, hd2, etc) How to add Windows entry into GRUB menu. Now I want to add a menu item to GRUB to boot Windows. Best make a copy of grub. Type Windows Key + R to open Run box and type cmd inside it. Add Grub2 menu If you install Ubuntu or other Linux operating systems alongside Windows, then Windows will automatically be added to the Grub2 menu. As you can see, the commands are the exact same as they are for windows, except changed to target Fedora instead. What is the switch all about? There is no necessity to change. cfg But I saw the latter command wasn't. This is assuming that os-prober is installed on the system. I'll just add that susejunky seems to have analyzed the situation correctly. GroupPolicyUser. Running grub-install this way would certainly install grub2 to the USB device, however the subsequent update-grub2 would update the grub on the hard drive, not the USB. For instance, to boot Windows 7, add the following to the grub. d/01_users file and write the following lines into the file. 04-for-windows folder. First, check the UUID of the root partition that belongs to Linux os you would like to add to grub entry. I recently installed Ubuntu 9. d/ [lower numbers are loaded first]. cfg, and doing so indeed fixed the problem. Recommended Articles. Posted: (1 week ago) I reinstalled windows on the windows drive and since then, my bios hasn't seen linux as a boot option in the priority menu, so I typed the command in Windows to change the bootloader from the windows bootloader to the ubuntu bootloader so that when my bios loads windows, I get the grub prompt asking me which OS I want to boot. Alternately, you can use a1ive's modified Grub2 version which includes extra features. How to add Grub bootloader after Windows re-install on a dual-boot system. Thank you so much. su - cat /boot/grub2/grub. Remove Grub Bootloader. ) Another trick you can use with Windows is to create two ESPs and use gdisk to change partition type codes so that only one ESP and one set of Windows partitions is visible to Windows for each Windows installation. 2-2-MANJARO x64) Manjaro Linux (Kernel: 5. As seen below, you should end up with a grub-2. Create the /etc/grub. Installing Grub consists of three steps: Creating the configuration file /boot/grub/grub. I managed to remove one of the "Windows" options by removing the. type diskpart in cmd window and click yes when prompted. Worked on an HP Z220 SFF Workstation, 6/5/2020 Comments are closed. For the time being, it is natural that you won’t be upset about the previous confusion about the missing local. Adjust to match your configuration. Yakuake is a drop-down terminal. Add Windows XP entry to GRUB. d/40_custom. You can install Grub2 for USB, or HDD, or even a memory card. If there is an output like that, you are good to go:. The main window is shown below. Grub doesn't support that. Part 1: the download Many users use Windows Update or the Microsoft Update Assistant tool to upgrade; the options are not available in this situation as the latest version of Windows is. I'm using the GRUB2 to load Windows To Go with following grub. Save chages to /etc/grub. Select your preferred language, then click Next. Guide Overview : You have a dual boot system with Windows and Linux both on separate partitions. As with any windows installation, the installer has just silently overwritten the MBR (or UEFI configuration in this case). I've gone through the usual steps for adding Windows to the bootloader options by modifying 40_custom and adding the following: menuentry "Windows 10" { insmod part_gpt insmod chain set root='(hd0,msdos2)' chainloader +1 }. rpm install grub cutomizer &n…. Now, for you to reinstall the Windows Boot Loader, you need to use the Windows disk or ISO file and change your boot settings in the BIOS. Automatically adding Windows to GRUB boot menu. d/40_custom. Finally open /etc/default/grub and add. You can repair the grub by booting from a live disk of linux Mint and there should be an option to repair-boot, which will repair your grub. d/40_custom with something like:. msc and hit OK to enable Windows 10 Home group policy editor. cfg entries and use them in your grub. With grub2 apparently something like this could work for Windows 7: Option A assumes your bootable USB stick/HDD is the first device and has a msdos style partition table. There are several methods to create a GRUB 2 menuentry which will boot an Ubuntu ISO. When you install Linux after Windows, the Linux installer knows how to deal with Windows, resize its partition, and set up a boot loader with an option allowing you to choose Windows at boot time. Edit the grub. I downloaded bootinfoscript and ran it, here is the RESULTS. cfg in the ISO to get a brief example of how it should be booted. This is because the Windows bootloader cannot identify Ubuntu. Custom menus offer many benefits over the default GRUB 2 menu. Usually this isn't a problem as GRUB is sophisticated enough now to recognize the presence of a bootable Windows partition and give the option of adding it to its menu. 5 just to give myself a little extra time to hit u to boot Ubuntu after POST. Everything was working until yesterday I upgraded from windows 8. d/40_custom: $esp = Where your windows partition is mounted. The parameters grub2 will use are stored in its grub. Control GRUB's Menu Timeout: If GRUB isn't automatically hidden, you'll see the menu each time your computer boots. Create a file 15_Windows in the /etc/grub. You may also proceed with creating a USB drive that you can boot. 1) When it asks to choose OS, select "Grub2 for Windows". The first one (0,0) is from /dev/sda, the main hard disk. Current Grub entries are: Manjaro Linux Manjaro Linux (Kernel: 5. Here is the Grub2 script that I wrote for AIO Boot:. I have thought that replacing Mint with Fedora would fix the problem: it did not, it added a new one. cfg file on the "append" line to the "linux" line of the menu entry. d/40_custom, and then execute grub2-efi-mkconfig -o /boot/grub2-efi/grub. Can anyone help with this? EDIT 2: After removing Windows 10 from the Windows bootloader with EasyBCD, it seemed that, after a few reboots, it would continually unhide itself and Windows 10 would reappear. Here is the Grub2 script that I wrote for AIO Boot:. Learn how to boot Windows 10 USB in grub; How to boot from a blank computer into grub via changing BIOS options. I thought (actually hoped) it would be "done" and tried to reboot an hoped to see GRUB2 with a choice between Windows10 and Manjaro - but it straight booted to Windows. Scouring the internet, I found two ways of adding Windows to the boot loader menu that seem to work! In both cases, I had to add lines in /etc/grub. Windows Boot Manager allows uses to seamlessly begin adding new operating systems to their hardware. Using Grub to boot a Windows partition. In general install windows first then linux. ) Updating grub Windows is not seen:. Especially if you were dual booting with another Linux -- in that scenario you can copy our grub. To prevent GRUB from being automatically hidden, comment the line out — just add a # before it so that it reads #GRUB_HIDDEN_TIMEOUT=0. cfg file which contains the full path of the ISO (except for the drive letter) The menu also injects a startnet. I can't figure out how to add a Windows XP entry to the GRUB bootloader. It is recommended all systems should upgrade to GRUB2, since it supports all the same features sets as Legacy. Until GRUB knows where Windows is, you won't be able to boot it. Re: Add Windows 10 to GRUB for Dual Boot Post by kop524 » Tue Mar 21, 2017 4:13 pm Well it's first time with such problem cause same windows 10 installation was found by manjaro and mint with no problem and there were no problems. A new desktop window will pop up, and navigate to the /boot/grub/grub. Wipe all partitions from the USB device. 1 on a flash drive (kind of) but butchered my MBR and apparently dropped GRUB2 there. Suppose that your Windows is installed on the first partition of the first disk (hd0,1) (yes, it's right, that is (hd0, 1) if your distribution has not modified grub2's default behavior) in NTFS format. The simplest way to dual boot Windows (or MS-DOS) is to add an MBR menu entry to GRUB2's grub. 04 live environment will be set up to run on an Ubuntu 14. Here the issue to be taken care of is installing the boot loader (LILO/GRUB) to the proper place Usually the installation program will ask u were to load the boot loader. If you have just created a dual-boot system with Mac Snow Leopard and Ubuntu Karmic and find that the Grub2 does not boot up your Mac, you can follow the instruction below to add the correct boot entry in Grub2. Useful tools GParted. txt: Boot Info Script 0. Sar September 6, 2021, 9:58am #5. d/40_custom (using SUDO) and add the following lines to the bottom of the file: menuentry 'Windows 7′ {set root='(hd0,msdos2)' chainloader +1} Since the location of the Windows installation can differ widely, I need to explain the "set root" line because (hd0,msdos2) refers to /dev/sda2 on my machine. Install Grub2 on USB and HDD from Windows Run Command Prompt under Admin and go to the grub-2. 61 [1 April 2012] ===== Boot Info Summary: ===== => Windows is installed in the MBR of /dev/sda. I needed to add Win 7 as a new OS. Identify the serial port/device name; Check in /dev/ for serial devices. This will work for any Linux distribution you want to dual boot with Arch Linux. 2) Continue with the setup. 2-2-MANJARO x64 - fallback initramfs) UEFI Firmware Settings I know the Windows partition still exists from lsblk: nvme0n1 259:0 0 476. jazzsir: Debian: 4: 09-03-2011 07:02 PM: LXer: Grub Customizer Lets You Reorder, Add Or Remove GRUB 2 (Or BURG) Menu Entries: LXer: Syndicated Linux News: 0: 10-09-2010 05:20 PM: GRUB menu. 02-for-windows Check the number of hard disk you will install, be it USB or HDD. Installing the Grub boot loader. GRUB is a multiboot loader and an essential part of the Linux operating system, but some users on the Microsoft community and Linux forums have reported that Windows 10 has deleted their grub, thus leaving their Linux distribution unable to boot. Add Grub2 menu. i686" grub2-editenv list grub2-mkconfig -o /boot/grub2/grub. GRUB will automatically bot the default operating system after a period of time. 02-for-windows directory. Run diskmgmt. It looks as if Windows is installed for BIOS booting, and therefore cannot be booted with UEFI. in this case after you install grub in grub will only appear 2 entries, one for Kali and one for Windows Vista loader. Copy this boot sector into a file. Share Improve this answer. So, now when you restart your system, it directly boots up to Windows 10. How to Add Windows 10 to Grub 17 Nov 2018 archlinux grub linux windows10 Problem # Recently I installed Arch Linux on my laptop and forgot to set up a dual boot with my Windows 10 partition. cfg file for each Windows operating system installed. I thought I could get around this by creating a new entry on the Windows Boot Manager (I have Windows 10 installed on the internal eMMC storage)/ using an alternative bootloader (like GRUB) but I can't seem to get it right. => Grub2 (v1. This document describes how to put GRUB (GRand Unified Bootloader) back on a hard drive that has been taken over by a Windows 2000 install, which itself was installed after Linux, which was installed after Windows XP. If required to prepare a new GRUB 2 file with different parameters, edit the values of the GRUB_CMDLINE_LINUX key in the /etc/default/grub file. cfg file is generated from grub's default settings file /etc/default/grub. GRUB will now show Ubuntu first and Windows after “Ubuntu Boot Options” and before UEFI boot options. Ubuntu - Add Windows 10 to Grub2 bootloader. Add Windows to GRUB boot menu Once you are booted into your Linux partition, follow the steps below to get your Windows 10 install added to the GRUB menu list. GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset". Hello, My goal was to show the GRUB menu at startup because I have Fedora on a SSD and Windows on another SSD. x86: How to Add a Boot Entry to the GRUB Menu. Hi, you need to modify the grub config file located in /etc/defaut/grub and edit or write this line GRUB_DISABLE_OS_PROBE=false. When using GRUB with Windows, GRUB gets up to the second stage boot loader. This tutorial shows you how to easily change grub boot order to make Windows as default OS in Windows-Linux dual boot with the help of Grub Customizer. Download the grub-2. cfg and append any options normally found in the distributions syslinux. Creating the GRUB 2 Menuentry. conf and then passes the button to the Windows boot loader. Regenerate the GRUB2 configuration file and reinstall the bootloader into the MBR, as described in Adding other operating systems to the GRUB2 menu. sudo dd if=/dev/zero of=/dev/sdz bs=512 count=1 conv=notrunc. The guide provides guidance on downloading and installing earlier versions of Windows 10 or using the download to upgrade to an older version of Windows 10. For adding nomodeset, add it to the line for GRUB_CMDLINE_LINUX_DEFAULT like. 3) Enjoy Remix OS. The first partition will be a 500MiB bootable ( * ) Linux partition and the second partition will be an ntfs partition ( 7) that takes up the remaining space. Try mounting your Windows drive, then install and run grub-customizer: sudo pacman -S grub-customizer. Now, you'll need to remake the grub config by running grub-mkconfig -o /boot/grub/grub. It think the problem might be that I have a lot of drives and partitions. Boot into Ubuntu Karmic. when you select windows vista loder to boot, then will be appear Windows dual boot screen and from there you will chose what to boot. To have Windows on the grub menu, you need to reinstall Windows to use UEFI, or you would need to switch openSUSE to use BIOS booting. If I recall it correctly, refind supports that type of mixed boot (but I'm not sure) You can check if your windows is on UEFI or BIOS/MBR mode with this: https://www. So by showing the GRUB I could be able to choose witch OS to boot without going in the BIOS menu. If you have installed Windows after installing Debian or have manged to remove GRUB's Windows boot entry in some other way, os-prober helps you to automatically have it added by update-grub. Open a terminal and run the os-prober command with root privileges. Booting Windows 7 with grub2 Grub2 Windows 10. How to Fix Grub After Windows 10 Upgrade. After that, we will learn how to recover from errors and mistakes. Case 1: Faulty Windows Boot Manager. If that file is already an entry for a working config, change 40 to another number that's not already used in /etc/grub. cfg first, then open it and add the entries above. You can find all this and much more info in the arch wiki entry. GRUB 2's custom menus allow the system to provide the basic building blocks of the boot menu while allowing the user to control what actually appears on the screen. The first step is to edit /etc/grub. I found an example where you edit /etc/grub.

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