Note:
1, due to the pre-installed Windows 8 notebook systems require the use of UEFI BIOS features and GPT partition table, so the system has been converted into a time Win7 system, you need to delete all partitions on all random Windows 8 system (including Windows 8 boot partition, Windows 8 system repair partition, GPT partition table reserved partition, a key function of partition recovery, Windows 8 system partition systems, user data partition and a data partition key recovery), because these partitions are Built under the GPT partition table, and Windows 7 uses the MBR partition table, which are not compatible with each other.
2. To convert the pre-installed Win8 system into a Win7 system, back up all important data in your notebook hard drive to the removable storage medium (eg U disk, mobile hard disk, etc.);
Operation Method:
First, the following is the specific replacement steps for Lenovo Y400, G480
1, the pre-installed Win8 of the YZGN model is changed to Win7 specific steps (Y400, G480, etc.)
1) First restart the computer And press the “F2” key or “Fn key+”F2“ key on the notebook keyboard to enter the notebook BIOS setup interface (if your notebook is Y400, Y500, please turn off the computer first, press “ One-click recovery button <; boot, and then enter the BIOS setup interface by selecting the "BIOS Setup" menu in the boot menu;
2) After entering the BIOS setup interface, press the “→” menu to move & ldquo; EXIT & rdquo; item, pressing a keyboard & ldquo; & darr; & rdquo; button to select the & ldquo; OS Optimized Defaults & rdquo; option, then & rdquo; Enter & ldquo; open the setup menu of the option, then press on the keyboard & ldquo ;↓& rdquo; button, the default option in the & ldquo; Win8 64bit & rdquo; modify & ldquo; Others & rdquo; after press & ldquo; Enter & rdquo; key to confirm, after pressing the keyboard & rdquo; & uarr; & ldquo; keys to select the & rdquo; 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 to start the BIOS to restore the default function;
3) Press the “F10” key on the notebook keyboard or the “Fn key” and “F10” key to start the BIOS save settings window. In this window, press the “Enter” button on the notebook keyboard to start the BIOS save settings. Restart your computer.
4) When booting the computer to the “Lenovo” LOGO screen, press the “F2” key on the keyboard or “Fn key” to enter the BIOS setting interface of the notebook (if your notebook is Y400) , Y500, then press the notebook's power switch to turn off the computer when the computer restarts to the “Lenovo” LOGO screen, press ““ one button to resume pressing the button”, by selecting “Startup Menu” in the boot menu; BIOS Setup“ The project enters the BIOS setup interface again.
5) Press the ““→” key menu on the keyboard to move to the “Boot” project, find the “Boot Mode” option under the project, press ““ The car” key opens the setting menu of the option, press the “↓” button on the keyboard to change the default "UEFI" of the option to "Legacy Support" and press the "Enter" button to confirm ;
6) press on the keyboard & darr; select key & rdquo; Boot Priority & ldquo; option, press on the keyboard & rdquo; & darr; & ldquo; this option the default button & rdquo; UEFI First & ldquo; To & rdquo; Legacy First & ldquo; after press & ldquo; Enter & rdquo; key. Then press the “F10” key or “Fn key+”F10” key to start the BIOS save settings window, in the window directly press the "Enter" key on the notebook keyboard to start the BIOS save settings and restart Just start the computer function.
7) 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's boot settings interface (if your For the Y400 and Y500 notebooks, please press the power switch of the notebook to turn off the computer when the computer is restarted to the “Lenovo” logo. Press the “One button recovery button” to turn it on, press “&&&&&&&&&&&&&& Press the button to select the “Boot Menu” in the boot menu and press the “Enter” button to enter the boot settings interface.
8) notebook optical drive tray eject at this time, placed after Windows7 operating system CD-ROM optical drive tray back, and choose the interface of the & ldquo; SATA ODD & rdquo; or & ldquo; USB ODD & rdquo; projects with press Press the "Enter" button to activate the CD-ROM drive.
Second, the above is the bios adjustment method, the following is the system installation method.
1, after entering the windows7 system installation interface, install the following steps to enter the win7 system partition screen;
2, after entering the win7 system partition screen, delete all the partitions;
3, after deleting all the partitions, click the "New" button, and then re-create a new partition, (subject to the limitations of the MBR hard disk, so in the system installation interface can only be divided into 4 primary partitions, if Need more partitions, please partition the system in the system after the installation is complete, see the method can refer to: How to partition the win7 hard disk)
4, after the partition is created, first partition the format After the formatting is complete, select the partition where you want to install the system, and then click the “Next” button to install the system.