Help with dual booting from a bootable USB or disk

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I am dual booting my Acer laptop windows 10 and Ubuntu 18.10 I have partitioned my hardrive and I have created a bootable USB and dvd but when I try to boot off usb or dvd this error comes

Failed to open EFIBOOTmmx64.efi - Not found
Failed to load image EFIBOOTmmx64.efi: Not found
Failed to start MokManager.efi - Not found
Something has gone seriously wrong: import_mok_state() failed
:Not Found

I tried booting off usb and dvd on my brothers windows 10 Toshiba satellite laptop and it worked

Please note I have tried different softwares for creating bootable USB win32disk imager, unebootin and Rufus

Please can you help me with a fix my issue

This is a totally different question than the other question on ask Ubuntu!

asked Dec 5 at 20:36

Bomby

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Copy mmx64.efi to /EFI/Boot on live installer. Installer may not have mmx64,.efi, but once installed it will. If no mmx64.efi to copy, then rename grubx64.efi in /EFI/Boot to mmx64.efi just to have a file of that name.
– oldfred
Dec 5 at 20:59

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up vote
1
down vote

favorite

I am dual booting my Acer laptop windows 10 and Ubuntu 18.10 I have partitioned my hardrive and I have created a bootable USB and dvd but when I try to boot off usb or dvd this error comes

I tried booting off usb and dvd on my brothers windows 10 Toshiba satellite laptop and it worked

Please note I have tried different softwares for creating bootable USB win32disk imager, unebootin and Rufus

Please can you help me with a fix my issue

This is a totally different question than the other question on ask Ubuntu!

asked Dec 5 at 20:36

Bomby

New contributor

1

Copy mmx64.efi to /EFI/Boot on live installer. Installer may not have mmx64,.efi, but once installed it will. If no mmx64.efi to copy, then rename grubx64.efi in /EFI/Boot to mmx64.efi just to have a file of that name.
– oldfred
Dec 5 at 20:59

add a comment |

up vote
1
down vote

favorite

I am dual booting my Acer laptop windows 10 and Ubuntu 18.10 I have partitioned my hardrive and I have created a bootable USB and dvd but when I try to boot off usb or dvd this error comes

I tried booting off usb and dvd on my brothers windows 10 Toshiba satellite laptop and it worked

Please note I have tried different softwares for creating bootable USB win32disk imager, unebootin and Rufus

Please can you help me with a fix my issue

This is a totally different question than the other question on ask Ubuntu!

asked Dec 5 at 20:36

Bomby

New contributor

I am dual booting my Acer laptop windows 10 and Ubuntu 18.10 I have partitioned my hardrive and I have created a bootable USB and dvd but when I try to boot off usb or dvd this error comes

I tried booting off usb and dvd on my brothers windows 10 Toshiba satellite laptop and it worked

Please note I have tried different softwares for creating bootable USB win32disk imager, unebootin and Rufus

Please can you help me with a fix my issue

This is a totally different question than the other question on ask Ubuntu!

dual-boot live-usb

asked Dec 5 at 20:36

Bomby

New contributor

asked Dec 5 at 20:36

Bomby

New contributor

asked Dec 5 at 20:36

Bomby

New contributor

asked Dec 5 at 20:36

Bomby

asked Dec 5 at 20:36

Bomby

New contributor

Bomby is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

1

Copy mmx64.efi to /EFI/Boot on live installer. Installer may not have mmx64,.efi, but once installed it will. If no mmx64.efi to copy, then rename grubx64.efi in /EFI/Boot to mmx64.efi just to have a file of that name.
– oldfred
Dec 5 at 20:59

add a comment |

1

Copy mmx64.efi to /EFI/Boot on live installer. Installer may not have mmx64,.efi, but once installed it will. If no mmx64.efi to copy, then rename grubx64.efi in /EFI/Boot to mmx64.efi just to have a file of that name.
– oldfred
Dec 5 at 20:59

Copy mmx64.efi to /EFI/Boot on live installer. Installer may not have mmx64,.efi, but once installed it will. If no mmx64.efi to copy, then rename grubx64.efi in /EFI/Boot to mmx64.efi just to have a file of that name.
– oldfred
Dec 5 at 20:59

add a comment |

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