![]() ![]() Then I changed to UEFI Hybrid with CSM and I did a clean install of the Operating System and installed the drivers for the graphics hardware. I tried booting the OS DVD with UEFI Native without CSM and as expected it failed while Windows was loading and it hung. This system supports switchable graphics. I read this topic because I wanted to use Native UEFI for Windows 7 Ultimate 64-bit SP1 on a HP ProBook 4540s with Intel HD Graphics 4000 and AMD Radeon HD 7650M. In disk manager I dont have this disk.Read N as natural number.Īt running Windows disk mangament shows Disk 0 in most cases: N = 0 You won't see a BSOD, difficult de debug a boot failure. Reg.exe add "%Services%\VgaSave" /f /t REG_DWORD /v "Start" /d 4īcdedit.exe /store S:\efi\Microsoft\boot\bcd /set quietboot onBe aware: this is quiet, quiet boot. Reg.exe add "%Services%\Vga" /f /t REG_DWORD /v "Start" /d 4 Reg.exe load HKLM\loaded_SYSTEM W:\Windows\system32\config\system Set Services=HKLM\loaded_SYSTEM\ControlSet001\Services Ren W:\windows\system32\drivers\vga.sys *.off This is the fall back graphic adapter driver,Įxample: adjust the disk number, Image path and index, and graphics driver path.Įcho format quick fs=fat32 label="System"Įcho format quick fs=ntfs label="Windows"ĭISM.exe /Apply-Image /ImageFile:D:\W7_圆4\sources\install.wim /Index:2 /ApplyDir:W:\ Windows 7 setup dosn't support GOP only hardware: freeze at loading vga.sys ![]() ![]() There is a fast boot option at firmware: enabled ![]() If possible, use Int10h & VBIOS for Windows 7. Most manufaturer supports UEFI with CSM nowadays.Īnother setting: UEFI with Int10h & VBIOS, no CSM Some manufacturer offers a fast boot option to enable or disable. GOP boots faster than Int10h & VBIOS: it's used at Windows 8 fast boot.ĭifferent manufacturer offers differnt options to enable GOP. UEFI Firmware: Graphics Output Protocol (GOP) There are different levels of UEFI implementation.ĭifferent Video Support is major importand at Windows 7: ![]()
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