[cross-posting from Motherboard and Graphics Card forums]
MB: Asus P8Z77-V Pro
GPU: MSI HD7950 Twin Frozr OC
OS: Win 10 64
Boot SSD: Crucial M4 128GB
After I upgraded from Win 7 Pro to Win 10, I would get a grey screen after the blue window logo with the rotating balls. I assumed it was a GPU driver issue, and spent weeks messing with drivers, driver cleaners, safe mode boots, CCC install failures, clean Windows re-installs, etc. All that effort has come to this:
If I allow the computer to boot "naturally" to the UEFI P1 Windows Boot partition, I get the same grey screen. However, if I go to the BIOS and use the manual Boot Manager, the computer works perfectly. I have the most recent BIOS on both the MB and GPU – the GPU BIOS is specifically labeled a “hybrid” BIOS for UEFI/non-UEFI systems.
Here’s what I’ve tried changing in the BIOS:
Turned off multi-GPU (Lucid Virtu MVP) in the BIOS. No Change.
Changed the primary GPU selection from "Auto" to PCIE. No Change.
Disabled Secure Boot by clearing the keys. No Change.
Changed the boot OS type from "Windows UEFI" to "Other OS". No Change
Still works fine if I manually select the boot device, still goes grey if I let it automatically boot to the exact same device.
How can I get it to boot correctly without having to use the BIOS boot manager? Did I somehow setup the Windows install partition incorrectly?
MB: Asus P8Z77-V Pro
GPU: MSI HD7950 Twin Frozr OC
OS: Win 10 64
Boot SSD: Crucial M4 128GB
After I upgraded from Win 7 Pro to Win 10, I would get a grey screen after the blue window logo with the rotating balls. I assumed it was a GPU driver issue, and spent weeks messing with drivers, driver cleaners, safe mode boots, CCC install failures, clean Windows re-installs, etc. All that effort has come to this:
If I allow the computer to boot "naturally" to the UEFI P1 Windows Boot partition, I get the same grey screen. However, if I go to the BIOS and use the manual Boot Manager, the computer works perfectly. I have the most recent BIOS on both the MB and GPU – the GPU BIOS is specifically labeled a “hybrid” BIOS for UEFI/non-UEFI systems.
Here’s what I’ve tried changing in the BIOS:
Turned off multi-GPU (Lucid Virtu MVP) in the BIOS. No Change.
Changed the primary GPU selection from "Auto" to PCIE. No Change.
Disabled Secure Boot by clearing the keys. No Change.
Changed the boot OS type from "Windows UEFI" to "Other OS". No Change
Still works fine if I manually select the boot device, still goes grey if I let it automatically boot to the exact same device.
How can I get it to boot correctly without having to use the BIOS boot manager? Did I somehow setup the Windows install partition incorrectly?
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