Helios ph315-54 doesn't see secure boot on even though it is enabled in the bios

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Steimtime
Steimtime Member Posts: 1 Newbie
edited August 10 in Predator Laptops

i have had my laptop for a while but for some reason it doesn't see secure boot on even though it is enabled in the bios (v1.15) im not sure what to do here. After troubleshooting for 3 days straight…..im left with nothing working. has this happened to anyone else?

[Edited the thread to add issue detail]

Answers

  • Puraw
    Puraw ACE, Member Posts: 18,452 Trailblazer

    Hi @Steimtime , 👋

    Predator PH315‑54 (2021) — TPM 2.0 present, Secure Boot supported, BIOS v1.15 (latest). If BIOS shows Secure Boot enabled but Windows/apps say it’s off, it’s usually one of these:

    • Boot mode mismatch (Legacy/CSM vs UEFI)
    • Missing or unenrolled Secure Boot keys
    • Non‑Microsoft bootloader path
    • OS installed on an MBR disk

    Quick “toggle and reset keys” (often fixes it)

    1. In BIOS:
      • Disable Secure Boot → F10 to save and reboot straight back into BIOS.
      • Re‑enable Secure Boot.
      • Set mode to Standard (not Custom).
      • Install/restore Default Keys (factory keys).
      • Ensure Microsoft 3rd‑party UEFI CA is enabled/allowed.
      • Set boot to UEFI‑only (disable CSM/Legacy).
      • Keep Windows Boot Manager first in boot order.
    2. In Windows:
      • Windows SecurityDevice security → Secure boot should show On.
      • Press Win+R, type msinfo32:
        • BIOS Mode: UEFI
        • Secure Boot State: On
      • powershellConfirm-SecureBootUEFIExpected: True.

    If it still reports Off or apps complain

    A. Check disk type and convert if MBR

    1. Press Start, type cmd.
    2. Right‑click Command PromptRun as administrator.
    3. cmdmbr2gpt /validate /allowFullOS
      • If you see “Validation completed successfully”, continue.
    4. cmdmbr2gpt /convert /allowFullOS
      • After “Conversion completed successfully”, reboot straight into BIOS.
    5. In BIOS:
      • Disable CSM/Legacy, set UEFI‑only.
      • Re‑enable Secure Boot, restore Default Keys.
      • Keep Windows Boot Manager first.

    B. Force Microsoft bootloader path

    cmd

    bcdedit /set {bootmgr} path \EFI\Microsoft\Boot\bootmgfw.efi
    

    C. Disable test/integrity overrides

    cmd

    bcdedit /set testsigning offbcdedit /set nointegritychecks off
    

    Reboot and re‑check msinfo32 and Confirm‑SecureBootUEFI.

    Quick triage info (if posting back)

    • msinfo32: BIOS Mode + Secure Boot State
    • powershellConfirm-SecureBootUEFI
    • CSM/Legacy option in BIOS: present/on/off?
    • Disk layout: diskpartlist disk (asterisk under GPT = yes)
    security.jpg
  • StevenGen
    StevenGen ACE Posts: 15,143 Trailblazer
    edited August 10

    I suggest that you do a proper Hard Reset first, to reset the laptops bios, EC chips and CMOS and see if it fixes the corrupt bios and the secure boot setting, as usually this action unfreezes the EC and Chipset and bios chips. Note that many bios related faults and resetting could brick your laptop bios chip, so proceed with caution. as no reset will fix a secure boot fault, as it could be that the bios chip is faulty and the last version 1.15 flash might have corrupted the chip. If the hard reset doesn't reset the bios then the bios chip needs reprogramming so take your laptop to an experienced tech that has the experience and the tools to do this bios programming. Good luck and hope this helps you out further.

    PH315-54 BIOS > Boot > Secure Boot setting description

    image.png

    Hard Reset - Remove eleven (11) screws from the base cover to the upper case of your PH315-54 laptop, starting from the upper side, pry to release the upper side latches, continue releasing the remaining latches. Then remove the lower case.

    Press the power key for 15 seconds to release all power to the laptop and then disconnect the main battery cable from the mainboard, then take the main battery out. Then disconnect the RTC/BIOS battery and then short the bios batteries + & - pins at the mainboard plug (as shown with the plug below) to reset CMOS and then take all the ran out.

    image.png

    Leave the laptop like that for at least 30-60 min so that EC and BIOS chips reset completely and then reconnect everything, if you have 2x ram modules, only connect 1x ram module and alternate the two ram modules and see if its not the ram that is faulty, as the laptops bios should reset completely and boot the laptop properly with an image on the screen.

    If this answers your question and solved your query please "Click on Yes" or "Click on Like" if you find my answer useful👍