Does clean install actually require Secure Boot?


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pparks1

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I'm using the official MCT ISO file from Microsoft for the release of Windows 11.

I'm clean installing to my Beelink mini PC and just playing with some settings. This host has an 8th generation Core i5, has TPM 2 support and runs UEFI with secure boot capabilities.

Config 1 ( I expected this to fail)
  1. Turned off Platform Trusted Technology
  2. Turned off Secure Boot
  3. Upon trying to clean install WIndows 10, I was told that I didn't meet the system requirements and the install stopped.
Config 2 ( I expected this to fail)
  1. Turned off Platform Trusted Technology
  2. Turned on Secure Boot
  3. Upon trying to clean install WIndows 10, I was told that I didn't meet the system requirements and the install stopped.
Config 3
  1. Turned on Platform Trusted Technology
  2. Turned off Secure Boot
  3. Windows 11 installed just fine, no warnings about not meeting system requirements.

So, my question is
  1. Am I able to install without secure boot because I am doing a clean install, and it's simply installing in a non-supported fashion (that MS says they won't support and MAY NOT get security updates?
I'm going to test it by putting my image for Windows 10 pro that came with the machine back on it and try an upgrade.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 ProIntel Core i5-8279u32GB DDR4 2666MhzIntel Iris Plus 655
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink SEI8
    CPU
    Intel Core i5-8279u
    Motherboard
    AZW SEI
    Memory
    32GB DDR4 2666Mhz
    Graphics Card(s)
    Intel Iris Plus 655
    Sound Card
    Intel SST
    Monitor(s) Displays
    Asus ProArt PA278QV
    Screen Resolution
    2560x1440
    Hard Drives
    512GB NVMe
    PSU
    NA
    Case
    NA
    Cooling
    NA
    Keyboard
    NA
    Mouse
    NA
    Internet Speed
    500/50
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    Mini PC used for testing Windows 11.

  • At a glance

    Windows 10 ProRyzen 9 5900x64GB DDR4-3600EVGA GeForce 3080 FT3 Ultra
    Operating System
    Windows 10 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Ryzen 9 5900x
    Motherboard
    Asus Rog Strix X570-E Gaming
    Memory
    64GB DDR4-3600
    Graphics card(s)
    EVGA GeForce 3080 FT3 Ultra
    Sound Card
    Onboard
    Monitor(s) Displays
    ASUS TUF Gaming VG27AQ. ASUS ProArt Display PA278QV 27” WQHD
    Screen Resolution
    2560x1440
    Hard Drives
    2TB WD SN850 PCI-E Gen 4 NVMe
    2TB Sandisk Ultra 2.5" SATA SSD
    PSU
    Seasonic Focus 850
    Case
    Fractal Meshify S2 in White
    Cooling
    Dark Rock Pro CPU cooler, 3 x 140mm case fans
    Keyboard
    Corsiar K65 RGB Lux
    Mouse
    Logitech G9 Laser Mouse
    Internet Speed
    500/50
    Browser
    Chrome
    Antivirus
    Defender.
Put back my windows 10 pro image back on the machine.

Upgrade 1 test (I expected this to fail)
  1. Turned off Platform Trusted Technology
  2. Secure Boot is not enabled
  3. Upgrade from within Windows failed and it said it was because I needed TPM
Upgrade 2 test
  1. Turned on Platform Trusted Technology
  2. Secure Boot is turned off
  3. The upgrade went fine, didn't prompt me with any warnings whatsoever.

I'll be honest, I didn't expect upgrade 2 to go forward with secure boot disabled in the BIOS. It doesn't seem like it really requires it to be enabled.
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 ProIntel Core i5-8279u32GB DDR4 2666MhzIntel Iris Plus 655
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink SEI8
    CPU
    Intel Core i5-8279u
    Motherboard
    AZW SEI
    Memory
    32GB DDR4 2666Mhz
    Graphics Card(s)
    Intel Iris Plus 655
    Sound Card
    Intel SST
    Monitor(s) Displays
    Asus ProArt PA278QV
    Screen Resolution
    2560x1440
    Hard Drives
    512GB NVMe
    PSU
    NA
    Case
    NA
    Cooling
    NA
    Keyboard
    NA
    Mouse
    NA
    Internet Speed
    500/50
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    Mini PC used for testing Windows 11.

  • At a glance

    Windows 10 ProRyzen 9 5900x64GB DDR4-3600EVGA GeForce 3080 FT3 Ultra
    Operating System
    Windows 10 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Ryzen 9 5900x
    Motherboard
    Asus Rog Strix X570-E Gaming
    Memory
    64GB DDR4-3600
    Graphics card(s)
    EVGA GeForce 3080 FT3 Ultra
    Sound Card
    Onboard
    Monitor(s) Displays
    ASUS TUF Gaming VG27AQ. ASUS ProArt Display PA278QV 27” WQHD
    Screen Resolution
    2560x1440
    Hard Drives
    2TB WD SN850 PCI-E Gen 4 NVMe
    2TB Sandisk Ultra 2.5" SATA SSD
    PSU
    Seasonic Focus 850
    Case
    Fractal Meshify S2 in White
    Cooling
    Dark Rock Pro CPU cooler, 3 x 140mm case fans
    Keyboard
    Corsiar K65 RGB Lux
    Mouse
    Logitech G9 Laser Mouse
    Internet Speed
    500/50
    Browser
    Chrome
    Antivirus
    Defender.
All the compatibility guidance I've says the 'device' must support Secure Boot, but I haven't seen anything which requires it to be enabled. This may be down to the fact that it could create compatibility problems with software that can't install/run if Secure Boot is enabled.
 

My Computers My Computers

System One System Two

  • At a glance

    macOS 14.x (plus Windows 11, Debian, FreeBSD ...Apple M1 Max (T6001) - 8 performance 2 effici...32GB LPDDR5Apple M1 Max (32-core)
    OS
    macOS 14.x (plus Windows 11, Debian, FreeBSD for ARM64)
    Computer type
    Laptop
    Manufacturer/Model
    MacBook Pro M1 MAX
    CPU
    Apple M1 Max (T6001) - 8 performance 2 efficiency cores
    Memory
    32GB LPDDR5
    Graphics Card(s)
    Apple M1 Max (32-core)
    Hard Drives
    a) 1TB SSD + + 1TB SD Card + external SSD Drives
    Browser
    1. Safari 2. DuckDuckGo
    Antivirus
    -

  • At a glance

    Windows 11 Pro, plus VirtualBox VMs: various ...i732GB
    Operating System
    Windows 11 Pro, plus VirtualBox VMs: various Windows & Linux
    Computer type
    Laptop
    Manufacturer/Model
    Microsoft Surface Laptop Studio
    CPU
    i7
    Memory
    32GB
    Hard Drives
    1TB SSD, plus external SSDs for Virtual Machines etc.
    Browser
    1. MS Edge 2. DuckDuckGo
    Antivirus
    Defender
Yeah, that must be the case. I'm looking at my box after a successful upgrade and msinfo32 shows
Secure Boot State : Off
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 ProIntel Core i5-8279u32GB DDR4 2666MhzIntel Iris Plus 655
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Beelink SEI8
    CPU
    Intel Core i5-8279u
    Motherboard
    AZW SEI
    Memory
    32GB DDR4 2666Mhz
    Graphics Card(s)
    Intel Iris Plus 655
    Sound Card
    Intel SST
    Monitor(s) Displays
    Asus ProArt PA278QV
    Screen Resolution
    2560x1440
    Hard Drives
    512GB NVMe
    PSU
    NA
    Case
    NA
    Cooling
    NA
    Keyboard
    NA
    Mouse
    NA
    Internet Speed
    500/50
    Browser
    Edge
    Antivirus
    Defender
    Other Info
    Mini PC used for testing Windows 11.

  • At a glance

    Windows 10 ProRyzen 9 5900x64GB DDR4-3600EVGA GeForce 3080 FT3 Ultra
    Operating System
    Windows 10 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Ryzen 9 5900x
    Motherboard
    Asus Rog Strix X570-E Gaming
    Memory
    64GB DDR4-3600
    Graphics card(s)
    EVGA GeForce 3080 FT3 Ultra
    Sound Card
    Onboard
    Monitor(s) Displays
    ASUS TUF Gaming VG27AQ. ASUS ProArt Display PA278QV 27” WQHD
    Screen Resolution
    2560x1440
    Hard Drives
    2TB WD SN850 PCI-E Gen 4 NVMe
    2TB Sandisk Ultra 2.5" SATA SSD
    PSU
    Seasonic Focus 850
    Case
    Fractal Meshify S2 in White
    Cooling
    Dark Rock Pro CPU cooler, 3 x 140mm case fans
    Keyboard
    Corsiar K65 RGB Lux
    Mouse
    Logitech G9 Laser Mouse
    Internet Speed
    500/50
    Browser
    Chrome
    Antivirus
    Defender.
LeLibran said:
All the compatibility guidance I've says the 'device' must support Secure Boot, but I haven't seen anything which requires it to be enabled. This may be down to the fact that it could create compatibility problems with software that can't install/run if Secure Boot is enabled.
Click to expand...
Yes,, compliant as in present but it doesn't have to be active.
 

My Computer My Computer

At a glance

Windows 11 Home- RP - 26H2 -26300.9818AMD Ryzen 5 5600GG.SKILL Ripjaws V Series 64GB 4x16Nvidia geforce gtx titan x
OS
Windows 11 Home- RP - 26H2 -26300.9818
Computer type
PC/Desktop
Manufacturer/Model
Banana Junior 5600-G Series
CPU
AMD Ryzen 5 5600G
Motherboard
Asus ROG Strix B550-F
Memory
G.SKILL Ripjaws V Series 64GB 4x16
Graphics Card(s)
Nvidia geforce gtx titan x
Monitor(s) Displays
28" ASUS VP28U 4k
Screen Resolution
4K
Hard Drives
Primary SAMSUNG 970 EVO Plus
PSU
EVGA BQ 700w 80+ Bronze
Case
Zalman i3 NEO
Cooling
ARCTIC Freezer 7 X
Keyboard
Corsair
Mouse
Amazon Generic with Cord
Internet Speed
Download: 295.11 mbps Upload: 65.35 mbps T-Mobile Internet
Browser
Firefox and Edge
Antivirus
MS - Defender
Other Info
Speakers: Klipsch ProMedia 2.1
I have just carried out a clean install of W11 from an ISO supplied via the Microsoft website. I have secure boot enabled, with a password for the boot disk selected and the tpm is also running. After several tries, I succeeded in getting it to load.
 

My Computers My Computers

System One System Two

  • At a glance

    W11 pro betaAthlon 3000G16Gb Crucial DDR4 2400onboard cpu
    OS
    W11 pro beta
    Computer type
    PC/Desktop
    Manufacturer/Model
    home built
    CPU
    Athlon 3000G
    Motherboard
    Asrock A320M-HDV r4.0
    Memory
    16Gb Crucial DDR4 2400
    Graphics Card(s)
    onboard cpu
    Sound Card
    onboard
    Monitor(s) Displays
    LG 22EA53
    Screen Resolution
    1920 x 1080
    Hard Drives
    WD black SN750 M2 500Gb
    PSU
    500W Seasonic core 80+gold non modular
    Case
    Fractal Design Define R2
    Cooling
    front 2 x 120mm rear 100mm stock psu
    Internet Speed
    135/20
    Browser
    Firefox and edge
    Antivirus
    Windows Security and free Malwarebytes

  • At a glance

    W11 pro 64 beta (from W10 pro system builder ...Ryzen 7 5700G4 x 8Gb Corsair Vengeance LPX 3000 DDR4onboard cpu
    Operating System
    W11 pro 64 beta (from W10 pro system builder pack)
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Ryzen 7 5700G
    Motherboard
    MSI B450 tomahawk max II
    Memory
    4 x 8Gb Corsair Vengeance LPX 3000 DDR4
    Graphics card(s)
    onboard cpu
    Sound Card
    motherboard
    Monitor(s) Displays
    AOC 27
    Screen Resolution
    2560 x 1440
    Hard Drives
    WD 1Tb Black M2 SN850X on Asus hyper M2 X16 max V2 card
    PSU
    Be Quiet 400 semi modular 80+gold
    Case
    Coolermaster Silencio 650
    Cooling
    140mm front, 120 rear Akasa Vegas Chroma AM
    Internet Speed
    135/20
    Browser
    edge/Firefox
    Antivirus
    WD plus Malwarebytes free
Kinda make you wonder why the requirement is there in the first place. Secure boot shouldn't affect any post-boot non-OS software. They must have some thoughts about it in the future.
 

My Computers My Computers

System One System Two Other systems

  • At a glance

    Windows 11 ProIntel Core i9 14900K 5800/4500 P/E96GB (2x48) G.skill Ripjaws 6800Asus ROG Strix 4070 Ti OC
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    DIY Photoshop/Audio/Game/tinker
    CPU
    Intel Core i9 14900K 5800/4500 P/E
    Motherboard
    Asus ROG Maximus Z790 Dark Hero
    Memory
    96GB (2x48) G.skill Ripjaws 6800
    Graphics Card(s)
    Asus ROG Strix 4070 Ti OC
    Sound Card
    B&W 606 S3 speakers; Audiolabs 7000a integrated amp; RSL 10S Mk2 sub
    Monitor(s) Displays
    Eizo CG2730 ColorEdge, ViewSonic VP2768
    Screen Resolution
    2560 x 1440 x 2
    Hard Drives
    nvme: 4TB WDC SN850X, 1TB SN850, 2TB SK-Hynix P41
    Spinners: Sabrent USB-C DS-SC5B 5-bay docking station, 6TB WDC Black, 6TB Ironwolf Pro 2x 2TB WDC Black
    PSU
    850W Seasonic Vertex PX-850
    Case
    FD North XL Mesh, Black Walnut
    Cooling
    EK Nucleus black 360 AIO w/Phanteks T30 fans; 2 Noctua NF-A14 Chromax ; T30 and Thermalright M-2 for memory
    Keyboard
    Keychron Q3 Max TKL w/GMK Redsuns Red Samuri keycaps
    Mouse
    Logitech G305 wireless gaming
    Internet Speed
    575 Mb/s down | 25 Mb/s up
    Browser
    Firefox
    Antivirus
    Defender, Macrium Reflect X
    Other Info
    Phangkey Amaterasu V2 Desk Mat

  • At a glance

    Apple M1
    Computer type
    Laptop
    Manufacturer/Model
    💻 Apple 13" Macbook Pro 2020
    CPU
    Apple M1
    Screen Resolution
    2560x1600
    Browser
    Firefox
  • Iphone 13 Pro Max
The security measures have caused me no end of trouble in changing drives and getting a clean install done. Apart from that, I think I'm getting to like W11.
 

My Computers My Computers

System One System Two

  • At a glance

    W11 pro betaAthlon 3000G16Gb Crucial DDR4 2400onboard cpu
    OS
    W11 pro beta
    Computer type
    PC/Desktop
    Manufacturer/Model
    home built
    CPU
    Athlon 3000G
    Motherboard
    Asrock A320M-HDV r4.0
    Memory
    16Gb Crucial DDR4 2400
    Graphics Card(s)
    onboard cpu
    Sound Card
    onboard
    Monitor(s) Displays
    LG 22EA53
    Screen Resolution
    1920 x 1080
    Hard Drives
    WD black SN750 M2 500Gb
    PSU
    500W Seasonic core 80+gold non modular
    Case
    Fractal Design Define R2
    Cooling
    front 2 x 120mm rear 100mm stock psu
    Internet Speed
    135/20
    Browser
    Firefox and edge
    Antivirus
    Windows Security and free Malwarebytes

  • At a glance

    W11 pro 64 beta (from W10 pro system builder ...Ryzen 7 5700G4 x 8Gb Corsair Vengeance LPX 3000 DDR4onboard cpu
    Operating System
    W11 pro 64 beta (from W10 pro system builder pack)
    Computer type
    PC/Desktop
    Manufacturer/Model
    homebuilt
    CPU
    Ryzen 7 5700G
    Motherboard
    MSI B450 tomahawk max II
    Memory
    4 x 8Gb Corsair Vengeance LPX 3000 DDR4
    Graphics card(s)
    onboard cpu
    Sound Card
    motherboard
    Monitor(s) Displays
    AOC 27
    Screen Resolution
    2560 x 1440
    Hard Drives
    WD 1Tb Black M2 SN850X on Asus hyper M2 X16 max V2 card
    PSU
    Be Quiet 400 semi modular 80+gold
    Case
    Coolermaster Silencio 650
    Cooling
    140mm front, 120 rear Akasa Vegas Chroma AM
    Internet Speed
    135/20
    Browser
    edge/Firefox
    Antivirus
    WD plus Malwarebytes free
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