BIOS is the abbreviation of basic input and output system. BIOS is the program that is solidified on the motherboard ROM chip. When the computer starts, it will load the BIOS setting information first. If the BIOS settings are tampered with or set incorrectly, the computer will not boot. You can solve the problem by restoring the BIOS default settings. The computer has the initial BIOS settings after leaving the factory. The following system and other motherboard BIOS restore factory settings.
Precautions:1, the BIOS restore default settings need to be handled with caution, otherwise it will lead to failure to boot, no problem with the computer or do not need to reinstall the system
2, in order to avoid unnecessary trouble, it is recommended that you enter the BIOS, take the form of the phone or video recording the current BIOS settings, if the BIOS restores the initial settings after an exception, you can modify it according to the previous settings
How to restore the default settings / restore the motherboard bios factory settings tutorial method one:1. When booting up, press Delete, F1, F2, F8, F9, F10, ESC, Enter and other buttons to enter the BIOS interface of the motherboard, and boot the BIOS interface method for different brands of computers;
2. After entering the BIOS interface, because there are many kinds of BIOS interfaces, only two types are listed here. If this is the interface, select Load OpTImized Defaults, some are Load Setup Defaults, press Enter, select OK or Yes. Generally, the BIOS default settings have shortcut keys. For example, F6: Load OpTImized Defaults is displayed at the bottom. Press F6 and press Enter. The shortcut keys are generally F6 and F9. You need to see the bottom or bottom right corner. Finally, you need to save the changes, generally press F10, F4 to enter and restart;
3. If it is a UEFI motherboard, it is divided into UEFI BIOS default settings, and Legacy BIOS default settings, such as Lenovo notebook, go to ExTI interface, first select OS OpTImized Defaults, system type win8 64bit, indicating UEFI, other OS or Disabled means Legacy If you want to change win7, choose Other OS to enter here;
4, then move to Load Default Settings to enter, or directly press 9, select Yes to enter, you can load the default BIOS settings in Legacy mode;
5, finally press F10 or F4, specifically look at the prompt in the lower right corner or right side, select Yes to enter and restart.
1. If it is a desktop computer, you can also open the main unit, remove the button battery on the motherboard, and then put it back after 15 seconds, this can eliminate the BIOS setting information and restore the default settings.
2. Some motherboards also have hard jumpers. Use jumper caps to short the 2 and 3 pins to eliminate BIOS setup information.
The above are two ways to restore the BIOS settings of the computer motherboard. If you need to restore the BIOS default settings, you can refer to the above method.
Does bios have an effect on the operating system after restoring factory settings?The BIOS default settings are in line with the basic requirements of the computer, so restoring the factory settings will generally not affect the use of the computer, but there are several points to note when restoring the BIOS factory settings.
If your CPU has overclocking settings, it will return to the initial frequency after restoring the BIOS factory settings, but it will not affect the computer.
If your computer is equipped with an XP system without AHCI driver, the default hard disk mode of the motherboard is AHCI, which will result in a blue screen after recovery. You need to manually set the hard disk mode to IDE.
There are other special settings, such as the settings of the dual hard disk, etc., the BIOS may need to be reset after the factory is restored.
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