Step 2: Type " sfc /scannow" and press Enter key. Then, right click the Command Prompt icon and select Run as administrator. Step 1: Type " command prompt" in Windows search box. If so, you can repair the system file without these tools, because Windows have offered commands to help repair system files. But I notice that a user reported the tool solved the problem by repairing a system file.
Some people report that they have solved this problem by running them. Many people would like to recommend two tools: EasyBCD and Boot Repair. Then, click OK to save changes.Īfter that, reboot your computer to see whether the dual boot option reappears. Expand the Default operating system list box and select the other operating system. Step 2: Under Startup and Recovery section, click Settings. Then, hit Enter to open System Properties window Advanced tab. Step 1: Press Windows key and type: view advanced system settings. Step 3: Restart the computer to see whether the problem is solved. After that, type Exit to close the command prompt window. Step 2: At the command prompt, enter the following command: bcdedit /set path \EFI\ubuntu\grub圆4.efi. Step 1: Press " Windows + X" keys to open shortcut menu.
Finally, uncheck Turn on fast startup and click Save changes button.Īfter turning off the fast startup, you can then restart your PC to see whether the problem is solved. Then, click Change settings that are currently unavailable. Step 2: Click Choose what the power button does. Choose System and navigate to Power & sleep. Step 1: Click Start button and click Settings icon. Here is what you should do to disable fast boot after you boot into Windows 10. If your computer boot directly into Windows 10 without dual boot options, you can try deactivating fast boot function of Windows 10 and then restart your PC.
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