I have a dell 15R notebook that used to work very well with windows 10 and ubuntu 16.04.
Today after an apparently normal update the ubuntu desktop became unresponsible than I have to turn it off using power button.
after that I tried to boot again and then I got a bad surprise. it failed. :(
Now the boot menu is not appearing anymore, it is booting directly into windows
could someone give me a help, please?
after trying Boot Repair tool the machine have boot into the Windows 10 directly.
The I turn it off and on pressing F12.
In the boot page I saw that Ubuntu and Windows are there and the mode if EFI Secure Off
Fortunately I was able to boot ubuntu selecting it in the menu. and did some backup :)
The strange is that grub menu that was presented is full of new entries some related to EFI.
Any idea ?