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  1. #1
    ROG Enthusiast Array pegadroid PC Specs
    pegadroid PC Specs
    MotherboardASUS MAXIMUS VII HERO
    ProcessorI7 4790K
    Memory (part number)CMD8GX3M2B2133C9
    Graphics Card #1ASUS GTX 780 TI DCII OC
    MonitorLG D2343P
    Storage #1SSD SAMSUNG EVO 250
    Storage #2WD BLACK 1TB, WD BLUE 1TB, WD BLUE 1TB
    CPU CoolerNZXT X61
    CaseNZXT PHANTOM 240
    Power SupplySEASONIC P760
    Keyboard G110
    Mouse G500s
    Headset AKG GHS1
    OS Windows 8.1 Pro
    Network RouterTP-Link TD-W8961N
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    Need Help instal windows from HDD ext

    I can not install windows 8.1 From an external HDD with UEFI.
    before I could install windows 8.1 from an external HDD.
    then I tried to install it on another motherboard (MSI) result I can install windows 8.1 UEFI. but in asus maximus VII hero I can not install windows 8.1 with UEFI, always go to legacy

  2. #2
    ROG Guru: Green Belt Array drop4205 PC Specs
    drop4205 PC Specs
    Laptop (Model)What are laptops
    MotherboardMaximus XI Formula
    ProcessorI9-9900K
    Memory (part number)Gskill Trident Z F4-3200C14-32GYZR
    Graphics Card #1Nvidia Reference RTX2080TI
    Graphics Card #2ha I wish
    Graphics Card #3ha I wish
    Graphics Card #4ha I wish
    Sound Cardha I wish
    MonitorAsus VN247H-P 23.6"
    Storage #1Samsung970 EVO Plus 1T
    CPU CoolerHeatkiller
    CasePhantex Evolove X
    Power SupplySessonic Prime Titanium 850
    Keyboard ROG Strix Flare
    Mouse ROG Gladius II
    Headset Astro A40
    Mouse Pad Corsair
    OS Windows 10 Home 64 Bit
    Accessory #1 Ek GPU Block
    Accessory #2 EK SE 360 Rad, EK PE 360 Rad
    Accessory #3 EK D5 Vario 140 Pump/Res
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    Did you go into bios, insert dvd in drive, save and reset then reenter bios? I know if I just go to bios and insert the dvd it wont uefi. I need to restart and go back into bios for it to read it as uefi
    Maximus XI Formula, I9-9900k, Phantex Evolove X, Seasonic Titanium 850W, Custom loop PE360+SE360 Rad, G.Skill Trident Z F4-3200C14 32g, Nvidia Reference RTX 2080 TI, Samsung 970 EVO Plus 1Tb, ROG Strix Flare keyboard, ROG Gladius II

  3. #3
    ROG Enthusiast Array pegadroid PC Specs
    pegadroid PC Specs
    MotherboardASUS MAXIMUS VII HERO
    ProcessorI7 4790K
    Memory (part number)CMD8GX3M2B2133C9
    Graphics Card #1ASUS GTX 780 TI DCII OC
    MonitorLG D2343P
    Storage #1SSD SAMSUNG EVO 250
    Storage #2WD BLACK 1TB, WD BLUE 1TB, WD BLUE 1TB
    CPU CoolerNZXT X61
    CaseNZXT PHANTOM 240
    Power SupplySEASONIC P760
    Keyboard G110
    Mouse G500s
    Headset AKG GHS1
    OS Windows 8.1 Pro
    Network RouterTP-Link TD-W8961N
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    Quote Originally Posted by drop4205 View Post
    Did you go into bios, insert dvd in drive, save and reset then reenter bios? I know if I just go to bios and insert the dvd it wont uefi. I need to restart and go back into bios for it to read it as uefi
    i use windows instalation from external HDD. not from DVD.
    yes, when use DVD its normal and i can instal with UEFI, but when use windows instalation from External HDD my asus maximus VII hero always install not UEFI (legacy mode). and when i use same media instalation (external HDD) to another motherboard (MSI Z97) can install with UEFI mode

  4. #4
    ROG Guru: Gold Belt Array Clintlgm PC Specs
    Clintlgm PC Specs
    Laptop (Model)Asus G752VY DH72
    MotherboardAsus Z97 Pro WiFi and /Z97 Pro A
    ProcessorI7 4790K
    Storage #1512 GB M.2 Samsung 960 Pro
    Storage #21 TB Samsun 850 Pro
    CaseCool Master Haf
    OS Win 8.1 Pro and Win 10 Pro
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    Esc Key or F8 key on boot should give you a boot menu, from there select your ext hd UEFI to boot
    G752VY-DH72 Win 10 Pro
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    1 TB Samsung 850 pro 2.5 format
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  5. #5
    ROG Enthusiast Array pegadroid PC Specs
    pegadroid PC Specs
    MotherboardASUS MAXIMUS VII HERO
    ProcessorI7 4790K
    Memory (part number)CMD8GX3M2B2133C9
    Graphics Card #1ASUS GTX 780 TI DCII OC
    MonitorLG D2343P
    Storage #1SSD SAMSUNG EVO 250
    Storage #2WD BLACK 1TB, WD BLUE 1TB, WD BLUE 1TB
    CPU CoolerNZXT X61
    CaseNZXT PHANTOM 240
    Power SupplySEASONIC P760
    Keyboard G110
    Mouse G500s
    Headset AKG GHS1
    OS Windows 8.1 Pro
    Network RouterTP-Link TD-W8961N
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    Quote Originally Posted by Clintlgm View Post
    Esc Key or F8 key on boot should give you a boot menu, from there select your ext hd UEFI to boot
    yes, I see the option UEFI external HDD, but when I select it, pc go into bios.
    "My UEFI external HDD work in another motherboard"

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