Because I received some questions by email and I noticed that there are many who are experiencing this problem, I decided to do a little tutorial about it.
Attention: all data on the hard disk is lost. In case you have used before your laptop and you have information there, do your backup on external media: DVD, USB stick, external hard drive, cloud, etc.
Windows UEFI Secure disabled boot installation
This method relates to install on laptops that come from the factory with options explained below and enabled at the factory .
To create the USB stick to this method, you can use extremely easy (Next, next … 🙂 utility from Microsoft, Windows 7/8 USB / DVD download tool, which will require the ISO image of Windows 7 or 8 kit and then will format the stick in NTFS format, so carefully, all data is lost.
To begin installation, you must enter in the BIOS of your laptop using the corresponding buttons that can be: Delete, F1, F2 or F10. In the BIOS, you must look first the option to disable Secure Boot. Typically, this option is located under Security. You set on Disabled.
Then, depending on the laptop manufacturer and where he has introduced its options in his own BIOS, search for “UEFI boot mode” or “Boot mode”, where you must disable booting UEFI by choosing MSC boot or Legacy.