About this tag
Quiet boot is a BIOS/UEFI setting that suppresses most on-screen messages during startup, often found alongside secure boot and fast boot options. In a WindowsForum thread, a user trying to disable UEFI to boot from a legacy USB drive reported that even after disabling quiet boot, secure boot, and fast boot, the system still only booted into Windows 8 and lacked a CSM or Legacy boot option. This highlights that quiet boot alone does not control UEFI or legacy boot behavior; it primarily affects the display of POST information. Users troubleshooting boot issues should check all related settings and consider that quiet boot is cosmetic rather than functional for boot mode selection.
  1. billybob69

    Windows 8 Can't disable UEFI or boot in Legacy

    Hello, I'm trying to disable UEFI on my computer. I did this on some other PC's and it all worked out fine, but I got stuck with this one. The BIOS does have a "secure boot", "fast boot", and "quiet boot" option, but even when I disabled them all I could still only boot into windows 8 (I'm...