Suppose, you’ve been having twin boot Home windows 10 + Ubuntu 20.04 for just a few months, and the whole lot has gone okay. After the home windows replace, your twin boot possibly stopped working during the Home windows Replace to the new replace.

Why Not Show a Dual Boot Option during a restart?

The Home windows Boot Supervisor or the twin boot possibility during restart could not present for a number of causes. Some frequent causes for this embody:

  • The boot menu is not activated.
  • Methods with quick startup enabled could boot instantly into the default OS without providing different boot choices.
  • The default operating system in Startup and Restoration could also be incorrectly configured.
  • Some corrupted system files are inflicting the boot supervisor to malfunction.

As such, you’ve not too long ago arranged a twin boot system, however, you’ll be able to see the possibility to vary operating systems, observe these steps in Home windows 10.

1. Allow the Boot Menu Option Utilizing Command Immediate

If the boot menu has been disabled in some way, you received to see the twin boot possibility seem. The boot menu can develop into deactivated after upgrading to the newest model of the OS. Thankfully, you should use the Home windows command processor to allow the boot menu. To allow the boot menu possibility utilizing the Command Immediate:

    1. Sort cmd in the Home windows search bar, right-click on the Command Immediate, and choose Run as Administrator.
    2. In the Command Immediate window, kind the command listed under and hit the Enter key. If potential, copy and paste the command to keep away from not being acknowledged.
      bcdedit /set {bootmgr} displaybootmenu sure
    3. Upon profitable execution, you will note the operation accomplished efficiently message.

In the event you’re curious as to what you have simply run, BCDEdit is a command-line-based utility to handle BCD (Boot Configuration Knowledge). If you wish to deactivate or conceal the boot menu once more, open the Command Immediate as administrator and enter the following command:

bcdedit /set {bootmgr} displaybootmenu no

2. Configure the Default Working System in Startup and Restoration

Home windows 10’s Superior System Settings window permits you to choose the default working system in addition to. It could possibly additionally show a listing of working techniques and restoration choices during a restart. Configuring these settings may also help you repair a lacking twin boot possibility in Home windows 10. To configure the default working system in Home windows 10:

  1. Press Win + I to open Settings.
  2. Then, go to System and open the About tab from the left pane.
  3. Scroll right down to the Associated settings part and click on Superior System settings. On older Home windows 10 computer systems, go to Control Panel > System and Safety and click on on Superior system settings from the left pane.
  4. In the System Properties window that seems, find the Startup and Restoration part and click on the Settings button.
  5. In the Startup and Restoration window, click on the drop-down for Default working system, and select your most well-liked OS.
  6. Subsequent, verify the Time to show the listing of working techniques choices and set it to 30 seconds. This setting means your laptop will present the boot menu for 30 seconds. As soon as this time elapses, it’ll load the working system you chose as default.
  7. Click on OK to save lots of the modifications.
    Restart your laptop and watch for the boot menu to look. Subsequent, select your most well-liked OS utilizing the arrow key and hit the Enter key. In the event you don’t make any choice earlier than 30 seconds, your laptop will load the set default OS.
3. Configure the Boot Supervisor With EasyBCD

Generally, the bcdedit command will not work. It both fails to activate the boot menu or will not work even after displaying the success message. In this scenario, you should use a third-party utility known as EasyBCD to add a boot entry. EasyBCD is a lightweight program for the Windows platform and is free to make use of for non-commercial functions.

So as to add boot entry utilizing EasyBCD:

  1. Go to the Neosmart EasyBCD web page and click on See Extra.
  2. EasyBCD is available in Commercial and Non-commercial versions. Click on Register for downloading the free model after which enter an e-mail tackle and username to obtain the software.
  3. Run the installer and wait for the app to complete putting in on your laptop.
  4. Launch EasyBCD and click on the Edit Boot Menu button.
  5. Right here you will note a twin boot entry listed by default. If you wish to change the default OS, tick the field underneath the Default column for the entry you need to set as default.
  6. Underneath Menu Choices, verify the Use Metro bootloader possibility.
  7. Choose Rely down and set it to 30 seconds.
  8. Click on Save Settings, and you will note the Bootloader settings saved efficiently message.
  9. Shut EasyBCD and restart your PC. During restart, you will note the boot menu with a twin boot possibility. If the possibility continues to be not showing, boot into Home windows and launch EasyBCD. Repeat steps 4-8 again and restart your laptop.
4. Disable the Home windows Quick Startup Function

The Quick Startup feature in Windows 10 helps you restart your PC quicker after shutdown. When enabled, it saves your working system to a hibernation file that accelerates the boot course of. It’s a helpful feature to have on older systems, particularly in case your system takes all the time in the world to restart. Nonetheless, it has some disadvantages as effectively. When Quick Startup is enabled, Windows locks the installation drive. Because of this, Home windows could fail to acknowledge the OS on a dual-boot configured system.

To disable quick startup, do the following:

  1. Press Win + R to open the Run dialog field. Sort management and click on OK to open the Management Panel.
  2. In the Management Panel, go to System and Safety > Energy Choices.
  3. In the proper pane, click on Select what the energy buttons do.
  4. Click on Change settings which might be presently unavailable. Now it is possible for you to to entry the greyed-out Shutdown settings.
  5. Uncheck the Activate quick startup (really useful) possibility.
  6. Click on Save modifications to show off quick startup in Home windows.
  7. As soon as efficiently disabled, restart your PC and watch for the twin boot possibility to look.
Now You Ought to See the Dual Boot Menu in Home windows 10

Whether or not you need to twin boot Home windows 11 with Home windows 10 or an older model of Microsoft’s operating system, the boot menu is an essential facet of any twin boot course. Boot configuration instruments resembling the BCDEdit and EasyBCD may also help you troubleshoot the boot menu lacking problem without having to reinstall the OS once more.

The article was published on October 12, 2021 @ 10:49 AM

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