WIN8 cannot boot from CD or USB flash drive

Source: Internet
Author: User

Some computers pre-installed WIN8, if you want to reinstall the system, you may encounter always unable to boot from the CD-ROM or USB stick boot problem, change the BIOS.

The BIOS is set up as follows (this is set to start from a USB flash drive or CD):
1, boot click F1 into the BIOS interface;
2, enter Security-secure Boot, change into disabled;
3. Enter startup-uefi/legacy boot option/legacy boot option to both,uefi/legacy boot priority select UEFI FIRST,CSM support Option Yes

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