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WIN8 to WIN7 installation tutorial

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If you are sure to convert your laptop's pre-installed Windows 8 system to Windows 7 please pay attention to the following important points: 1. Because your laptop is pre-installed The Windows 8 system needs to use the UEFI function in the BIOS and the GPT partition table so when you modify the system to a Windows 7 system you need to delete all the partitions of the random Windows 8 system (including the Windows 8 boot partition and the Windows 8 system repair partition) GPT partition table reserved partition one-key recovery function partition Windows 8 system partition user data partition and one-key recovery data partition) because these partitions are created under the GPT partition table and Windows 7 uses The MBR partition table is incompatible with each other. Therefore you will lose the data of all partitions in your hard drive and the one-key recovery function of the pre-installed Windows 8 system (that is you cannot use Lenovo's one-key The recovery function is restored to the pre-installed Windows 8. If you want to restore to the pre-installed Windows 8 system you can contact the Lenovo service station to restore the pre-installed Windows 8 system). So please back up all the important data in your laptop hard disk to removable storage media (such as U disk mobile hard disk etc.) before converting the pre-installed Windows 8 system of your laptop to Windows 7 system.
2. In order to ensure the smooth installation of the system we strongly recommend that you use the genuine Windows 7 operating system CD (if your laptop does not have a CD drive we strongly recommend that you use a USB CD drive to complete the operation). Do not use the GHOST version of Windows 7 or other non-genuine Windows 7 operating system discs. Otherwise your operation will be invalid.

Solution:

1. The following describes the specific operation steps of Lenovo Y400 G480 Yangtian V480 Zhaoyang K49 etc.
1. Consumer YZGN machine The specific steps of refitting the pre-installed Windows 8 system to Windows 7 system (Y400 G480 etc.)
1) First restart the computer and press the 'F2' key or 'Fn key + 'F2' key on the notebook keyboard Enter the BIOS setting interface of the notebook (if your notebook is Y400 or Y500 please turn off the computer first press the 'one-key recovery button' to turn on and enter the BIOS setting interface by selecting the 'BIOS Setup' item in the boot menu)
2) After entering the BIOS setup interface press the '→' key on the keyboard to move the menu to the 'EXIT' item press the '↓' key on the keyboard to select the 'OS Optimized Defaults' option and press the 'Enter' key Open the setting menu of this option press the '↓' button on the keyboard change the default 'Win8 64bit' of this option to 'Others' press the 'Enter' key to confirm. Then press the '↑' button on the keyboard Select the 'Load Default Setting' option press the Enter key to start the restore BIOS default function window in this window directly press the 'Enter' key on the notebook keyboard to start the BIOS restore the default function. Then press the notebook keyboard The 'F10' key or 'Fn key + 'F10' key starts the BIOS save settings window in this window directly press the 'Enter' key on the notebook keyboard to start the BIOS save settings and start the computer functions in good faith. (As shown below)

3) When the computer restarts to the 'Lenovo' LOGO screen press the notebook The 'F2' key or 'Fn key + 'F2' key on the keyboard enters the BIOS setting interface of the notebook (if your notebook is Y400 or Y500 please press the notebook's power switch to turn off when the computer restarts to the 'Lenovo' LOGO screen After the computer press the 'one-key recovery button' button to boot and then enter the BIOS setup interface again by selecting the 'BIOS Setup' item in the boot menu) Press the '→' key on the keyboard to move the menu to the 'Boot' item and find the Under the item 'Boot Mode' option press the 'Enter' key to open the setting menu of this option press the '↓' key on the keyboard change the default 'UEFI' of this option to 'Legacy Support' and then press ' Press the 'Enter' key to confirm then press the '↓' button on the keyboard to select the 'Boot Priority' option press the '↓' button on the keyboard to change the default 'UEFI First' to 'Legacy First' and then press 'Back' Press the 'Car' key to confirm. Then press the 'F10' key or 'Fn key + 'F10' key on the laptop keyboard to start the BIOS save setting window in this window directly press the 'Enter' key on the laptop keyboard to start the BIOS save Set up and restart the computer function. (As shown below)

4) When the computer restarts to the 'Lenovo' LOGO screen press the notebook The 'F12' key or 'Fn key + 'F12' key on the keyboard enters the boot setting interface of the notebook (if your notebook is Y400 Y500 please press the notebook's power switch to turn off when the computer restarts to the 'Lenovo' LOGO screen After the computer press the 'one-key recovery button' to turn on press the '↓' button on the keyboard to select the 'Boot Menu' item in the boot menu and then press the 'Enter' key to enter the boot setting interface). The optical drive tray of the notebook pops out insert the genuine Windows7 operating system disc and push the optical drive tray back and select the 'SATA ODD' or 'USB ODD' item in the interface and press the 'Enter' key to start the optical drive .(As shown below)

2. The pre-installed Windows 8 system of Yangtian VBKEM model is converted to Windows 7 The specific operating steps of the system (V480 E49 etc.)
1) First restart the computer and press the 'F1' key on the notebook keyboard to enter the notebook BIOS setup interface.
2) Enter After the BIOS setup interface press the '→' key on the keyboard to move the menu to the 'Restart' item press the '↓' key on the keyboard to select the 'OS Optimized Defaults' option and press the 'Enter' key to open the option Set the menu press the '↑' button on the keyboard to change the default option 'Enabled' to 'Disabled' press the 'Enter' key to confirm. Press the '↑' button on the keyboard to select 'Load Setup Defaults' Option press the Enter key to start the restore BIOS default function window in this window directly press the 'Enter' key on the laptop keyboard to start the BIOS to restore the default function. Then press the 'F10' key on the laptop keyboard to start the BIOS to save the settings In this window directly press the 'Enter' key on the notebook keyboard to start the BIOS to save the settings and restart the computer function. (As shown below)

3) When the computer restarts to the 'Lenovo' LOGO screen press 'F1' on the notebook keyboard Key to enter the BIOS setting interface of the notebook press the '→' key on the keyboard to move the menu to the 'Startup' item and press the '↓' key on the keyboard to select 'UEFI/Le gacy Boot' option press the 'Enter' key to open the setting menu of this option press the '↓' button on the keyboard and change the default 'Both' of this option to 'Legacy Only' and then press the 'Enter' key confirm. Then press the 'F10' key on the laptop keyboard to start the BIOS save settings window in this window directly press the 'Enter' key on the laptop keyboard to start the BIOS save settings and start the computer functions in good faith. (As shown below)

4) When the computer restarts to the 'Lenovo' LOGO screen press the notebook The 'F12' key on the keyboard enters the boot setting interface of the notebook. At this time eject the optical drive tray of your laptop insert the genuine Windows 7 operating system disc push the optical drive tray back and select the 'ATAPI CD1' item in the interface and press the 'Enter' key to realize the optical drive start up. (As shown below)

2. The above is the BIOS adjustment method and the following is the system installation related method
1. 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:

2. After entering the Windows 7 system partition screen please Delete all the partitions and then create a new partition again.
Please note again: the above operation will delete all the partitions in your laptop hard drive so all data in your laptop
your laptop hard drive will be lost. Please do this before you do this All important data are backed up to mobile storage media (such as U disk mobile hard disk etc.).

After deleting all partitions click 'New' to create a new partition. (Limited by the MBR hard disk you can only divide up 4 primary partitions in the system installation interface. If you need more partitions please divide the partitions in the system after the system installation is complete)

After the partition is created format all the partitions first. After the format is completed
select the partition where you want to install the system. Click 'Next' to install the system.

3. If you still can’t perform the partition operation using the above method

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