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  1. P

    Windows 8 Can I turn a Win8 installation for UEFI into BIOS-CSM-Mode Win8?

    On my computer there is a pre-installed Windows 8 which works fine for UEFI boot (Secure boot not necessary). Now when I switch in UEFI setup at boot time the UEFI mode into the CSM (BIOS) mode and restart then Windows 8 is not starting any more. As far as I find out an UEFI-based Windows 8...
    • pstein
    • Thread
    • bios boot compatibility csm installation secure boot system setup uefi uefi setup windows 8
    • Replies: 1
    • Forum: Windows Help and Support
  2. B

    Windows 7 Windows 7 (64) - Missing sound Card on UEFI setup

    I am using a brand new Dell Latitude E6520. The notebook has double BIOS configurability with "Legacy" or "UEFI" mode. I have performed a first setup using UEFI, however the sound card is missing in the device manager list, without any "unknown device" appearing, as if the adapter is not...
    • Blutarsky
    • Thread
    • audio issues bios dell latitude device manager firmware bug hardware conflict legacy mode sound card system configuration uefi uefi setup windows 7
    • Replies: 1
    • Forum: Windows Hardware
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