What should I do if the computer fails to change the Win8 system into Win7?

For Windows 8, there is no traditional interface such as the start menu, which causes inconvenience, and Lenovo has launched the classic start menu tool! Restore the original Windows 7 style while preserving the advanced features of Windows 8.

(1) Restart the computer first, and press the “F2” key on the notebook keyboard or “Fn key+”F2“ to enter the BIOS setup interface of the notebook (if your notebook is Y400, Y500, please turn off the computer first, press & rdquo; one-click recovery button & rdquo; boot, by selecting the "BIOS Setup" menu in the boot menu to enter the BIOS settings interface)

(2) after entering the BIOS setup interface Press the “→” key on the keyboard to move the menu to the “EXIT” item, press the ““↓” button on the keyboard to select the “OS Optimized Defaults” option, press “Enter & rdquo ; key to open the option menu of the option, press the “↓” button on the keyboard to change the default "Win8 64bit"; to ”Others"; then press the "Enter" key to confirm. Then press the “↑” button on the keyboard to select the "Load Default Setting" option, press the Enter key to start the Restore BIOS default function window, directly press the "Enter" on the notebook keyboard in this window ; The key starts the BIOS to restore the default function. Then press the “F10” key or “Fn key+”F10“ key on the notebook keyboard to start the BIOS save settings window. In this window, press the "Enter" key on the notebook keyboard to start the BIOS save. Set and restart the computer feature.

(3) When the computer restarts to the “Lenovo” LOGO screen, press the “F2” key on the notebook keyboard or “Fn key+”F2“ key to enter the notebook. BIOS setting interface (If your notebook is Y400, Y500, please press the notebook's power switch to turn off the computer when the computer is restarted to the "Lenovo" LOGO screen, press & rdquo; one button to restore press the & rdquo; button to boot, through Select ““BIOS Setup” in the boot menu to enter the BIOS setup interface again. Press the ““→” key menu on the keyboard to move to the “Boot” project and find the “Boot Mode” option under the project. Press the "Enter" key to open the setup menu for this option, press the “↓” button on the keyboard to change the default "UEFI"; to ”Legacy Support"; then press “ Confirm with the button, press the “>↓” button to select the “Boot Priority” option on the keyboard, press the “&darquo;↓” button on the keyboard to default the option& Rdquo;UEFI First“edited to ”Legacy First<quo; then press “Enter” to confirm. Then press the “F10” key or “Fn key+”F10“ key on the notebook keyboard to start the BIOS save settings window. In this window, press the "Enter" key on the notebook keyboard to start the BIOS save. Set and restart the computer feature.

(4) When the computer restarts to the “Lenovo” LOGO screen, press the “F12” key on the notebook keyboard or “Fn key+”F12“ key to enter the notebook. Boot setting interface (If your notebook is Y400, Y500, please press the notebook's power switch to turn off the computer when the computer is restarted to the “Lenovo” LOGO screen, press the “ Restore button” to turn it on, press On the keyboard, select the <quo;Boot Menu” item in the boot menu and press the “Enter” button to enter the boot settings interface. At this time, eject the optical drive tray of your notebook, put the optical drive tray back after putting the genuine Windows 7 operating system CD, and select the “SATA ODD” or “USB ODD” option in the interface and press ” Enter the “ key to enable the CD-ROM drive to start.

(5) After entering the Windows 7 system installation screen, follow the steps below to enter the Windows 7 system partition screen. The specific steps are as follows:

(6) After entering the Windows 7 system partition screen, delete all the partitions, and then re-create the new partition.

Please note again: the above operation will delete all the partitions in your notebook hard drive, so all the data in your notebook hard drive will be lost, please do all the work on your notebook hard drive before doing this. Back up important data to removable storage media (eg USB flash drive, mobile hard drive, etc.).

(7) After deleting all the partitions, click “New” to recreate the new partition. (Restricted by the MBR hard disk, you can only divide 4 main partitions in the system installation interface. If you need more partitions, please partition the system after the system is installed)

(8) After the partition is created, first format the partitions. After formatting, select the partition where you want to install the system, and click “Next” to install the system.