I have installed Linux Mint 18 on my Acer Aspire ES 15 laptop which has Windows 10 pre-installed on it. But, I am not able to boot into the Linux OS as the machine is always booting into Windows 10 automatically. I went into the UEFI firmware settings, but not able to select the "secure boot" option to turn it off.
How can I dual boot into Linux and Windows as required? Please advise.