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Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop

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  • #1 17887938
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    Hello and welcome :)

    After turning on the Samsung Galaxy TabPro S, the logo appears and immediately the message:

    "Boot Guard verified DXE that is fail. System will shutdown. Press any key."

    Pressing the button turns it off and back on again. Yes, over and over again. I opened it from the back because I thought it would be possible to do something like "reset", but unfortunately I can't see anything.

    Does anyone have an idea what I can do?

    Regards and thank you in advance for any answer.

    Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop
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  • #3 17895845
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    adamegah wrote:
    If you survive the loss of all data, restore it to factory settings: https://www.youtube.com/watch?v=sQZ9b3JCLNg


    Unfortunately this doesn't work for me. The above message appears immediately after the logo. Pressing "F4" does nothing.

    Thanks for the answer.
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  • #4 17896407
    popej
    Level 13  
    Posts: 65
    Help: 3
    Rate: 22
    hold f2 and press power it will show you bios restore settings and you should be fine
  • #5 17896553
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    popej wrote:
    hold f2 and press power it will show you bios restore settings and you should be fine


    Also not working. No response to the button. Not that the keyboard doesn't work, because everything is fine.

    I kind of read somewhere that it could be the motherboard, but I've had this message before. Then all it took was to turn it back on and everything worked. Now I can turn it on 100 times and it's always the same.

    Thanks for the answer.
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  • #6 17896639
    popej
    Level 13  
    Posts: 65
    Help: 3
    Rate: 22
    does power+volumeup work?
  • #7 17896714
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    I have volumeup on F8, nothing either.
  • #8 17896993
    lisek
    Service technician RTV  
    Posts: 39706
    Help: 6305
    Rate: 6797
    Does it happen "by itself" or did you do any Update (e.g. Bios/or clear Bios )?
    * and power cut off

    :idea: this kind of message .. rather ended up replacing the board.?!
    * Bios recovery (on Dual-Bios boards it's easy)

    Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop
    photo applies
    SAMSUNG GALAXY TABPRO S 12
    Version: SM-W700 (WiFi / WLAN)
    * or new ver. SM-W708NZ on Intel Core m3-6Y30

    ps
    For confirmation Link_ same case
  • #9 17897007
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    I didn't do anything. Unless there were some system updates, but I don't remember anymore. However, it still does it automatically.

    So will it be replaceable?
  • #10 17897025
    lisek
    Service technician RTV  
    Posts: 39706
    Help: 6305
    Rate: 6797
    Problem dotyczy tzw. Intel BIOS Guard (PFAT). czy zabezpieczenia UEFI Bios prze "ingerencją " w nieodpowiedni zapis w rejestry.
    Od 2012. w SoC-ach na bazie Bay Trail zrealizowano pierwszą wer. Secure Boot (Verified Boot), .. pożniej (2013 ulepszono i pod nazwą Intel Boot Guard wypuszczono dla płyt desktopowych pod cpu Haswell.
    Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop
    Quote:
    Intel Boot Guard (BG) is a hardware-supported UEFI BIOS authentication verification technology. Judging by its small description in the book [Platform Embedded Security Technology Revealed, Chapter Boot with Integrity, or Not Boot], it works as a trusted boot chain. And the first link in it — boot code (microcode) inside the CPU, which runs on the event RESET (not to be confused with the RESET-vector in the BIOS!). The CPU finds on the SPI flash memory a code module developed and signed by Intel (Intel BG startup ACM), loads it into the cache, verifies (it was already noted above that the CPU has a public key hash, which verifies the ACM signature) and starts...
    * from Link


    Dla ciekawych
    Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop Samsung Galaxy TabPro S Boot Guard DXE Failure - Unable to Boot, System Shutdown Loop
    Attachments:
    • System Tools User Guide.pdf (2.58 MB) You must be logged in to download this attachment.
  • #12 17898067
    popej
    Level 13  
    Posts: 65
    Help: 3
    Rate: 22
    Colleagues are talking about reprogramming the bios and I say starting with the power + volumeUp buttons on the tablet, those at the top not on the keyboard there you will have several options, perhaps also updating the bios
  • #13 18549303
    joozzo
    Level 1  
    Posts: 1
    In my case, after replacing the bios from another board, the computer works
  • #14 18774548
    fab01
    Level 9  
    Posts: 54
    Rate: 13
    Hello. Unfortunately, I couldn't find someone to fix it for me. Several sites have given up. Maybe someone here on the forum would do it?
  • #15 20846796
    azeljam99
    Level 1  
    Posts: 1

    >>17887938
    Bonjour
    As-tu une réponse sur ce problème de dxe guard?
    Merci
  • #16 20908629
    alberatienza
    Level 1  
    Posts: 1

    Hi Friends,

    Any update about the solutions?
    I have the same issue. The tablet has been in shutdown state for months or years, and now when I have tried to power it on, I see this message.
    I have reviewed posts on the Samsung community and I have only seen one option, which is to contact Samsung SAT and pay 300€.
    I think the tablet's value is very low and it doesn't interest me to solve it.

    Thanks.
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Topic summary

✨ The Samsung Galaxy TabPro S is experiencing a Boot Guard DXE failure, resulting in a continuous shutdown loop after the logo appears. Users have suggested various troubleshooting methods, including restoring factory settings, accessing BIOS recovery by holding specific key combinations (F2, Power; Power + Volume Up), and checking for BIOS updates. However, many users report that these methods are ineffective. Some speculate that the issue may be related to the motherboard or BIOS corruption, with suggestions of replacing the motherboard or reprogramming the BIOS as potential solutions. A user mentioned that after replacing the BIOS from another board, their device functioned correctly. Others express frustration over the high repair costs and the low value of the tablet, leading to reluctance in pursuing repairs.
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FAQ

TL;DR: 12-inch TabPro S units can boot-loop with “Boot Guard verified DXE that is fail”; “this kind of message .. rather ended up replacing the board.?!” We outline button recovery, BIOS reflash, and when to pay. [Elektroda, lisek, post #17896993]

Why it matters: This helps Samsung Galaxy TabPro S owners stuck in a Boot Guard shutdown loop choose practical recovery or repair steps.

Quick Facts

What does “Boot Guard verified DXE that is fail” mean on the TabPro S?

Intel Boot Guard verifies the UEFI BIOS chain before boot completes. A DXE-phase failure triggers an immediate protective shutdown. As summarized, “Intel Boot Guard is a hardware-supported UEFI BIOS authentication verification technology.” This fault happens before Windows or recovery tools can load. [Elektroda, lisek, post #17897025]

How do I open recovery/BIOS with buttons when this message appears?

Use the tablet’s physical buttons. 1. Hold Power + VolumeUp on the top edge. 2. Release when the menu appears and review available options. 3. Use any recovery or firmware options offered. Use the top buttons, not the keyboard keys. [Elektroda, popej, post #17898067]

Why doesn’t F4 factory reset work on this error?

The error appears immediately after the logo, and pressing F4 does nothing. The device shuts down and restarts the loop. This behavior blocks the factory reset screen from appearing. [Elektroda, fab01, post #17895845]

Do keyboard function keys work at this stage?

The keyboard works, yet the device ignores F2 and similar keys during the fault. The OP confirmed there was no response to F2 in the loop. [Elektroda, fab01, post #17896553]

Can holding F2 at power restore BIOS defaults?

Try this sequence: hold F2, then press Power. It will show BIOS restore settings. If it opens, restore defaults and save changes. [Elektroda, popej, post #17896407]

What hardware fix has been confirmed by users?

A user restored functionality by replacing the BIOS chip contents with firmware from another board. “In my case, after replacing the bios from another board, the computer works.” [Elektroda, joozzo, post #18549303]

Is motherboard replacement sometimes required?

One contributor noted cases that ended with board replacement. Quote: “this kind of message .. rather ended up replacing the board.?!” Consider this if firmware recovery does not help. [Elektroda, lisek, post #17896993]

Did this happen after an update or randomly?

The OP did not perform manual changes. They mention possible system updates but cannot recall. Now the error appears automatically at each boot attempt. [Elektroda, fab01, post #17897007]

How much might an official Samsung repair cost?

A community member reported a Samsung service quote around €300. They decided the tablet’s market value did not justify paying that fee. [Elektroda, alberatienza, post #20908629]

Which TabPro S models show this problem?

Reports mention the 12-inch Galaxy TabPro S, model SM‑W700 (Wi‑Fi/WLAN), and SM‑W708NZ with Intel Core m3‑6Y30. Verify your model before proceeding. [Elektroda, lisek, post #17896993]

Can long storage lead to this error when powering on again?

Yes. One owner powered on after months or years of storage and saw the Boot Guard error immediately. The device would not boot. [Elektroda, alberatienza, post #20908629]

Is there a physical reset or pinhole inside the tablet?

No. The OP opened the back specifically seeking a reset and did not find any usable reset switch or jumper. [Elektroda, fab01, post #17887938]

Does repeated power cycling ever clear the error?

No. The OP powered on about 100 times, and the message remained every time. The shutdown loop persisted. [Elektroda, fab01, post #17896553]

Can community members reflash or repair these boards?

The OP could not find a shop to take the repair and asked the forum for help. Several service sites declined the job. [Elektroda, fab01, post #18774548]

Is this problem known outside this thread?

Yes. A post references another forum case with the same Boot Guard DXE failure message. Similar cases help confirm the fault pattern. [Elektroda, lisek, post #17896993]

Does the keyboard’s F8 (VolumeUp) work like the tablet’s physical VolumeUp?

No. Use the tablet’s top buttons for recovery. The guidance explicitly says Power + VolumeUp on the tablet, not on the keyboard. [Elektroda, popej, post #17898067]
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