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Thread: Disabling CompuTrace




  1. #1
    Join Date
    Apr 2018
    Location
    Florida
    Posts
    2

    Default Disabling CompuTrace

    Greetings everyone,


    I refurbish computers for a living. An office in my area upgraded their laptops and sent the old ones to a recycling center in my area. The recycling center plans to scrap them for metal, because they all have Computrace active. If I can disable the Computrace, they're willing to sell them to me for cheap. They gave me one of them to play with and try to disable it. If I can't, they're going to throw these otherwise perfectly good I5 laptops in the shredder.


    They are all Dell Latitude E5430. The one I got had bios A11 on it, and I flashed it to A18 (non-vPro).


    Direct link: https://downloads.dell.com/FOLDER041.../1/5430A18.exe


    Computrace has 3 settings in the Bios - "Disabled", "Deactivated", and "Activated". "Deactivated" means it's ready to be set to "Disabled" or "Activated". Once set to one of those two, it can "never" be changed, and the setting in the Bios is grayed out. I want to change the setting from "Activated" to "Deactivated" so I can then go in and disable it.


    I found a video of someone doing this on a different Dell (this is exactly what I'm trying to do):
    How to deactivate computrace in dell laptop. - YouTube


    What I've tried:
    - I tried extracting the Bios from the "5430A18.exe" file using the /writehdrfile and /writeromfile flags, but got errors and it didn't work.
    - I used "Universal BIOS Backup ToolKit 2.0" to try to backup my Bios to a file. I ended up with "DellInc.-A18.rom", which is 14MB. I'd attach it here, but the file is too large.
    - I then used "UEFITool_0.22.4_win" to try to edit the Rom. I found 2 Computrace modules, and a lot a Computrace references in "SetupPrep". The modules were easy enough to remove, but wasn't sure if I should remove SetupPrep or leave it. I don't know enough to edit it. I decided to leave it.
    - I got stuck when it came time to try to flash the Rom file back. Dell has no separate flash utility for Rom/Bin/HDR files; their Bios files are all EXE. I tried a few flashing programs, but they all said my Rom was an invalid file.


    Can anyone please help me?

  2. #2
    bbbenji is offline Junior Member
    Join Date
    May 2018
    Location
    n/a
    Posts
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    Default Re: Disabling CompuTrace

    Muggerprime, did you end up figuring it out?

  3. #3
    Join Date
    Apr 2018
    Location
    Florida
    Posts
    2

    Default Re: Disabling CompuTrace

    Not yet, no.

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