What to do when Boot Manager of the multiple operating systems disappeared at the time of starting multi-boot: How to change OS starting order of Boot Manager

By | October 30, 2017

When the multiple operating systems(OS) are installed on the hard-disk of PC, it turns on the power of PC, and selects the OS that you want to start among the multiple operating systems(OS) displayed.

However, even though it is multi-booting, Windows Boot Manager may be omitted(not displayed), causing only one OS to start up.

Windows Boot-Manager screen when starting up PC

Generally, in the case of a multi-boot, each OS name as shown below is displayed when starting up PC. For details on how to name this OS, please click here

[Windows10] Windows Boot-Manager

Changing boot order of multi-boot

▼ Now we will set it so that the boot manager will be displayed when starting up the computer. When you press the shortcut key: Windows + X key, then Right-click menu(Context menu) is displayed as follows. In that, click 1System.

[Windows10]Windows Boot-Manager

▼ In System pane, click 1Advanced System Settings on the left.

[Windows10]Windows Boot-Manager

▼ System Properties window is displayed. Click 1Advanced tab and Click 2Settings button in “Startup and Recovery”.

[Windows10]Windows Boot-Manager

▼  Startup and Recovery is displayed.

[Windows10]Windows Boot-Manager

In 1Default operating system, click the down arrow right side on the pull-down menu, and here select “Windows 10” as the default OS.

Check 2 Time to display list if operating systemsto specify the display time of the boot manager. So that the multi-boot GUI (boot manager) is displayed on the PC startup

Changing the boot order in System Configuration

You can do the same in System Configuration. First, start by typing 1“system configuration” in the Windows search box, and click 2System Configuration tool.

[Windows10]Windows Boot-Manager

▼ Or, as shown below, press Windows + Rkey and open Run. Enter 1msconfig in the text field, click 2OK button.

[Windows10]Windows Boot-Manager

▼ System Configuration window is displayed.

[Windows10]Windows Boot-Manager

Click 1Boot tab.

Select 2Windows OS that you want to display at the top of the multi-boot GUI (boot manager) to a personal computer startup.

Click 3Set as default button.

As a result, it has changed as follows.

[Windows10]Windows Boot-Manager

1the Windows OS that is selected was specified as the “default OS”.

You determine the 2display time of the multi-boot GUI (boot manager).

Click 3OK button.

Since the above-mentioned System Properties and the boot setting of System Configuration is linked each other, if you change something in System Properties, it is also changed with one in System Configuration.