Many Lenovo laptops are now pre-installed with win10 system. Some netizens are not used to using win10 and want to change win10 to win7. Therefore, they need to make some settings in the computer's bios before installing win7. So how to set up the bios of Lenovo laptop from win10 to win7? The editor below will teach you how to set up Lenovo laptop win10 to win7 bios settings.
The specific steps are as follows:
1. Press F2 or (FN F2) while booting to enter the BIOS, press the → arrow key to switch to Security, select Secure Boot and press Enter Set it to Disabled, which means turning off "Safe Boot" in Chinese. If you don't turn off this option, WIN7 will not start even if you install it.
Note: If there is no Secure Boot option under the Security option, check to see if there is a "clear intel PTT Key" option. If there is, enter and press Enter to select "yes" to clear it. ppt key, otherwise the system cannot be installed and booted, as shown in the following figure:
2. Go to the Exit option and change the OS Optimized Defaults is set to Disabled or Other OS, which means other operating systems are supported.
3. Select Load Default Settings and press Enter to load the settings. After loading the default settings (if safe boot is turned on again after loading, remember to turn it off). Some models need to press F10 to save and restart and then press F2 to enter the BIOS and continue the following settings.
4. Switch to Boot and change the Boot Mode from UEFI to Legacy Support traditional boot (Note: If the Boot Mode here is gray and unselectable, remember to perform the following operations to remove the hard disk. mode RST to ahci mode), some machines can also be installed using uefi (note: you can also directly use UEFI GPT to boot the installation: but if you install using uefi gpt, the csm compatibility mode is not turned on by default, and there will always be a card during the installation of win7 The logo interface cannot enter the desktop until the system graphics card is installed.), but the safe point is to change it to the traditional mode.
5. Set Boot Priority to Legacy First, press F10 and select yes in the pop-up window and press Enter.
6. Note: Return to the configuration item and check the sata controller mode item. If the default hard disk mode is RAID, please change the hard disk mode to AHCI mode. Otherwise, proceed The hard disk cannot be recognized after PE. If you make changes, remember to press F10 to save.
#7. Insert the prepared U disk boot disk, restart and press F12 or FN F12 to bring up the startup management dialog box, select USB The HDD recognizes the U disk and boots into PE. Just press Enter to enter PE.
#The above is the bios setting tutorial for Lenovo laptop win10 to win7, I hope it can help you.
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