How to change asus laptop win8 to win7 system

On the pre-installed win8 system of asus laptop to change the installation of win7 system way:

1, security startup item settings: boot appear ASUS logo when press F2 - into the BIOS interface - security - boot control - disabled; BOOT - launch CSM - enabled, then press F10 to save and exit.

2, the system CD into the CD-ROM drive or plug in the U disk, boot press ESC key, startup item selection, select DVD CD-ROM drive or USB **** startup installation, generally select the front of the startup item does not have UEFI startup.

3, due to the pre-installed Win8 system machine is generally a GPT partition format, the installation of Win7 system, such as prompts: can not be installed to this disk, you need to convert the GPT partition to MBR partition, you can also enter the PE after the use of partitioning tools diskgenius will be your hard drive re-partitioning, will be modified to MBR partition table, and then the partition table. Installation of Win7 system, but due to the modification of the MBR partition table will format the entire hard disk, the computer inside the hidden partition files and data will be lost, please back up and save important data to an external storage device.