User's Manual

Mini Desktop PC User Guide
57
FOR CERTIFICATION ONLY
Microsoft’s Windows
®
8.1 Downgrade
Notices
• ThissystemispreinstalledwithWindows®7Professional
operating system (OS) and also comes with a license and media
for Windows® 8.1 OS. You may only use one version of the
Windows® OS at a time. Switching between versions will require
you to uninstall one version and install the other version.
• ToenabledowngradetoWindows®7Professionalonthis
system, the BIOS settings on this system were changed to boot
into a legacy BIOS mode. If the BIOS setting is not changed to
native UEFI mode boot prior to installing, Windows® 8.1 will
install; however, the following Windows® 8.1 functionality will
not be enabled as they rely on UEFI mode boot:
• SecureBoot
• SeamlessBootexperience
• NetworkunlockforBitlockerforsystemswithaTrusted
Platform Module (TPM).
• eDrivesupport
IMPORTANT!
• YourMiniDesktopPCcomespreinstalledwithWindows®7
Professional. Downgrading to Windows® 8.1 deletes all of your
system data on Windows® 7 Professional.
• IfyourMiniDesktopPCpackagecontentsdonotincludea
Windows® 7 Professional Recovery DVD, ensure that you create a
backup before installing Windows® 8.1.
• FormoredetailsaboutrecoveringyoursysteminWindows®8.1,
refer to your Mini Desktop PC’s user guide.