The next generation of Uefi BIOS "CSM" affects the installation of Windows (11)

CSM Full Name compatibility support module, a compatibility support block, is a special module of UEFI that provides compatibility for systems that do not support UEFI. Currently, the WINDOWS8 fully supports the 64-bit uefi that is not fully supported by Uefi,windows7 . Therefore, the installation of Windows7 in UEFI BIOS must turn on the CSM, most computers can be turned on automatically or manually, and a few computers will force the CSM off. This article focuses on "CSM" to attract people's attention, because the online interpretation of this is almost 0.

Pre-installed WINDOWS8 brand machines are UEFI BIOS, the first use of friends to reload the system has been in trouble, the specific solution before the detailed introduction. The following is specific to the pre-installed WINDOWS8 brand installation WINDOWS7 BIOS setup problem, because Windows7 does not fully support UEFI, if you want to keep the pre-installed system under the premise of Windows7 can not set the BIOS to "pure UEFI", and must be disabled " Secure Boot ".

set EFI bios:boot mode[uefi/legacy], set to Uefi.

               launch CSM [enabled/disabled " disabled.

Launch CSM[uefi/legacy], set to UEFI.

( the above settings generally remain the default )

set compatibility mode: CSM support [yes/no ] set to Yes

               os Optimized defaults[enabled/disabled] set to

OS Optimized defaults[win8 64bit/others], set to Others .

( the above settings are generally the opposite of the default )

Disable secure boot: Secure Boot [enabled/disabled] , set to Disabled.

( the above settings are generally the opposite of the default )

Some computers are forced to "Pure uefi"    < Span style= "color: #0000ff; font-family: ' italics '; font-size:4px;line-height:31.5px;" > This article series

set EFI Bios:boot Mode[uefi/legacy],  Legacy  < Span style= "color: #ff0000;" >

               [ Enabled/disabled] set to  < Span style= "Line-height:28px;font-size:large;color:rgb (255,0,0); font-family: ' Italics ';" >enabled  

[ Uefi/legacy], set to  Legacy  

(  < Span style= "color: #ff00ff;" >                          

set compatibility mode: CSM support [yes/no]

               os Optimized defaults[enabled/disabled] set to

               os Optimized defaults[win8 64bit/others] set to  

             

disable secure boot: secure Boot [Enabled/ Disabled] Span style= "Line-height:28px;color:rgb (255,0,0); font-size:large;font-family: ' Italics ';" > set to disabled.

( the above settings are generally the opposite or no need to be set by default )

--specific circumstances should be analyzed, some computers will bios mode[uefi only/legacy support] legacy support   boot priority UEFI first

---Install Windows7 friends on preinstalled WINDOWS8 Computers, please provide your BIOS settings for other users to refer to, if you encounter other problems or have other ideas welcome to communicate with each other.

The next generation of Uefi BIOS "CSM" affects the installation of Windows (11)