What does UEFI start with me? Now the new computer almost all support this function, many small partners get confused, this thing still needs to be set up, the installation of the boot disk also needs special handling. However, with so many shortcomings, UEFI still has an attractive place. The most important thing is that the start-up time is greatly shortened. Yesterday there was a comment on the younger friend's commentary area. I wanted to find out what this UEFI really means. Well, let's talk about it today.
Why is UEFI started so fast?
Compared with the traditional start-up method, UEFI plainly means that the process of self-inspection at startup is skipped. Therefore, the startup speed will be much faster. The so-called traditional startup method is now called Legacy. Some of the partners may have entered the BIOS. In addition to the UEFI, there is a new one.
UEFI is not only easy to start, but also one of the most visible features is that UEFI supports graphical operation, many small partners may also find, and now many BIOS are graphical interface, and support mouse operation, which is impossible to achieve in the traditional BIOS of. After switching to UEFI mode, the system booting will also change. In particular, if you want to implement UEFI+GPT startup partner, you must first complete this step.
How to force the traditional model?
Some people just don't like UEFI, or they must use the traditional BIOS startup mode Legacy, so pay attention. When switching to Legacy under the UEFI BIOS, it is better to open an option named CSM. This option is a compatible module, designed to be compatible with devices that can only work in legacy mode and does not support or fully support UEFI. Operating system and settings (old graphics cards, old devices). Xiao Bian tips, the BIOS option is enabled, Disabled is off means.
Choose the right way to start
At startup, the BIOS with UEFI also provides boot options for you to choose in which way to start. At present, the main board is set to three modes: Auto, UEFI, and Legacy.
Auto/Both: Automatically starts in the order in the boot device list, preferentially using UEFI mode;
UEFI only (UEFI only): Select only the device with UEFI boot conditions to start;
Legacy only: Select only the device that has the legacy startup condition to start.
This option is generally set in the basic BIOS settings or startup settings, specific to each different factory settings, the need for small partners to find their own. Xiao Bian recommended, try not to choose the automatic mode, because after determining their own startup methods, install the U disk used in the system, and even the hard disk boot must be matched. So it is best to be fixed to your needs, Legacy is the most traditional mode, UEFI is a new startup mode, so that you can fully play the UEFI function, or use Legacy for maximum compatibility.
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