Operation steps and common problems of WIN8 modified Win7

Recently saw netizens want to replace the new pre-installed Win8 system into Win7, at first thought like we used to change the system to become, who knows the default installation of the WIN8 system of the laptop is so that people egg pain, small set up a "WIN8 refit Win7 operation steps and Frequently asked questions", Have to change the default system to this article as an example of it! Around or more Lenovo, so to Lenovo's BIOS for example, we extrapolate!

　　Pre-modification considerations:

If you are sure that you want to retrofit the Windows 8 system that is pre-installed with your notebook as a Windows 7 system, please note the following important points:

Because Windows 8 systems that are pre-installed with your notebook require the use of the UEFI feature in the BIOS and the GPT partition table, you will need to remove all partitions of a random Windows 8 system (including Windows 8 boot partitions, Windows 8 System repair partitions, reserved partitions for GPT partitioned tables, one-click Functional partitions, Windows 8 system system partitions, user data partitions, and one-key restored data partitions because these partitions are created under GPT partition tables, and Windows 7 uses an MBR partition table, which is incompatible with each other. So when you convert your laptop's Windows 8 system to a Windows 7 system, you lose all partition data on your hard drive and a single key restore feature of the Windows 8 system pre-installed (that is, you can't recover to a preinstalled Windows 8 system via a single key restore of Lenovo). If you want to revert to a pre-installed Windows 8 system, you can contact the Lenovo Service station to restore to the pre-installed WINDOWS8 system. so please backup all the important data in your notebook hard disk to Removable storage media (such as U disk, mobile hard disk, etc.) before the operation of the Windows 8 system which is installed in your notebook to be retrofitted to Windows 7 system.

　　Operation Steps

First, the following description of Lenovo Y400, G480 and Yang Tian V480, Zhaoyang K49 and other models of the specific procedures

　　1. The specific operation steps (Y400, G480, etc.) of the WINDOWS8 system retrofitted to the WINDOWS7 system for consumption YZGN model.

1 Restart the computer and press the "F2" button on the notebook keyboard or the "FN key +" F2 "key" into the Notebook BIOS Setup interface (if your notebook is Y400, Y500 please turn off the computer first, press the "One-click Restore Button" on the boot, by selecting "BIOS Setup" in the boot menu Project into BIOS setup 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 the "Enter" button to open the option Settings menu, press the keyboard "↓" button, After modifying the default "Win8 64bit" to "others", press the "Enter" key to confirm. Then press the "↑" button on the keyboard to select the "Load default Setting" option, press ENTER to start the Restore BIOS Default feature window, in which you press the "enter" key on the notebook keyboard to start the BIOS restore default function. Then press the "F10" button on the notebook keyboard or the "FN" + "F10" key to start the BIOS Save Settings window, in which you press the "enter" key on the notebook keyboard to start the BIOS save settings and start the computer function in good faith. (pictured below)

3 When the computer restarts to "Lenovo" logo screen, and press the notebook keyboard "F2" key or "FN key +" F2 "key into the notebook BIOS setup interface (if your notebook for Y400, Y500 Please restart the computer to" Lenovo " When you press the power switch on the laptop to turn off the computer, the logo screen press the "one-button restore Press" button on the boot, by selecting the boot menu in the "BIOS Setup" project to enter the BIOS setup interface again, press the "→" button on the keyboard menu to move to the "boot" item, find the item under the "Boot" mode option, press the "enter" key to open the settings menu for this option, press the "↓" button on the keyboard, the option of the default "UEFI" modified to "Legacy Support" after the press "enter" key to confirm, and then press the "↓" button on the keyboard to select "Boot Priority" option, Press the "↓" key on the keyboard to change the default "UEFI a" to "Legacy a" and press "enter" to confirm. Then press the "F10" key on the notebook keyboard or the "FN" + "F10" key to start the BIOS Save Settings window, where you can press the "enter" key on the notebook keyboard to start the BIOS save settings and restart the computer function. (pictured below)

4 when the computer restarts to "Lenovo" logo screen, and press the notebook keyboard "F12" key or "FN key +" F12 "key into the notebook's boot settings interface (if your notebook for Y400, Y500 Please restart the computer to" Lenovo " When the logo screen press the notebook power switch to shut down the computer, press the "One button Restore button" on the boot, press the "↓" button on the keyboard Select the Boot menu item in the Startup button and press "Enter" to enter the boot setup interface. At this time will your notebook CD-ROM tray eject, put into the genuine Windows7 operating system after the CD-ROM drive tray back, select the interface of the "SATA ODD" or "USB ODD" items and press "enter" key to achieve the CD-ROM drive boot. (pictured below)

　　2. The specific operation steps of the VBKEM model pre-installed Windows 8 system to the Windows 7 system (V480, E49, etc.)

1 Restart the computer first, and press the "F1" button on the notebook keyboard to enter the BIOS setup interface of the notebook.

2 after entering the BIOS setup interface, press the "→" key on the keyboard to move the menu to the "Restart" item, press the "↓" button on the keyboard to select the "OS optimized Defaults" option, press the "enter" key to open the option's Settings menu, press "↑" on the keyboard. Press the "Enter" key to confirm when you modify the default "Enabled" of this option to "Disabled". Press the "↑" button on the keyboard to select the "Load Setup Defaults" option, press ENTER to start the Restore BIOS Default feature window, press the "enter" key on the notebook keyboard to start the BIOS restore default function. Then press the "F10" key on the notebook keyboard to start the BIOS Save Settings window, press the "enter" key on the notebook keyboard to start the BIOS save settings and restart the computer's features directly in the window. (pictured below)

3 in the computer restart to "Lenovo" logo screen, and press the notebook keyboard "F1" key to enter the notebook BIOS settings interface, press the keyboard "→" button to move the menu to the "Startup" item, press the keyboard "↓" button Select to "Uefi/legacy Boot option, press "enter" to open the setting menu of the option, press "↓" button on the keyboard and change the default "Both" of the option to "Legacy only" and press "return" key to confirm. Press the "F10" key on the notebook keyboard to start the BIOS Save Settings window, press the "enter" key on the notebook keyboard to start the BIOS save settings and start the computer function in good faith. (pictured below)

4 when the computer restarts to "Lenovo" logo screen, and press the "F12" button on the notebook keyboard into the notebook's boot settings interface. At this time the CD drive tray of your notebook eject, put into the genuine Windows 7 operating system after the CD-ROM drive tray back, and select the interface of the "ATAPI CD1" Item and press "Enter" key to achieve the CD-ROM drive boot. (pictured below)

　　Two, as above for the BIOS adjustment method, the following system installation related methods

1. After entering the Windows 7 System Installation screen, follow the steps below to enter the Windows 7 system Partition screen, as follows:

2. After entering the Windows 7 system Partition screen, remove all of the partitions, and then recreate the new partition.

　　Please note again: The above operation will remove all the partitions in your hard drive, so all the data in your notebook hard disk will be lost, please back up all the important data in your notebook hard disk before this operation to the Removable storage medium (for example: U disk, mobile hard disk, etc.).

When you have deleted all the partitions, click New to recreate the new partition. (limited by MBR hard disk, you can only split 4 primary partitions in the system installation domain, if you need more partitions, please partition the system after the system is installed)

After the partition is created, the partition is all formatted, the format is finished, select the partition that you want to install the system, click "Next" to install the system.

3. If you still do not use the above method to partition operation, please follow the following steps:

A. On the first screen of the installation of the WINDOWS7 system, press the "Shift" key + "F10" key or Shift key + "Fn" + "F10" key on the keyboard. To start the CMD command line mode window:

B. Enter the "DiskPart" command directly in the CMD Command Line window, and then press "enter" to automatically enter the DiskPart mode:

C. Enter the DiskPart mode, and then enter the "list Disk" command and press "enter" key to confirm the number and location of the hard disk in your notebook, the notebook in the following figure has only one hard drive, located in:

D. Select the hard drive in your notebook by entering the "select Disk 0" command and pressing the "Enter" key:

E. Enter the "clean" command and press the "enter" key to remove all partitions and data from the hard drive of your notebook:

F. Enter the "convert MBR" command and press the "enter" key to convert the split mode of your notebook's hard disk from GPT mode to MBR mode:

G. Enter the "Exit" command and press "enter" to exit DiskPart mode, then "Exit" and press "enter" to exit the cmd command line mode:

H. After the operation is completed, please click on the "Red Fork" in the upper right corner of the Windows 7 system Installation's first screen window. Then select "Yes" in the pop-up window to restart your notebook, when the computer restarts to the "Lenovo" logo screen, and press the "F12" key on the notebook keyboard or " The FN key + "F12" key enters the notebook's boot Setup interface (if your notebook is Y400, Y500 please press the "one button Restore button" to turn on when the computer restarts to the "Lenovo" logo screen and press the laptop power switch to shut down the computer, and select the boot menu by selecting " The boot menu item goes into the boot setup interface again. At this time will your notebook's CD-ROM tray eject, put into the Windows7 operating system after the CD-ROM drive tray back, select the interface of the "SATA ODD" Item and press "Enter" key to achieve the CD-ROM drive boot. Then follow the previous 6 steps to partition it (you do not need to delete the partition at this time because the partition has been removed before restarting the computer).