Windows 10: How can I erase win7 marker in SLIC?

  1.    10 Oct 2015 #1

    How can I erase win7 marker in SLIC?


    Hi all,

    I installed Windows 10 dvd on an old notebook which was running vista(it means I cleaned the hard disk and installed Windows 10 dvd). However win 10 has a minor problems. I'm an insider, so I checked build 10240 and 10547(upgraded last week by windows update). When I checked with showkeyplus, it says "Windows 7 OEM marker present in firmware". I suspect it be embedded in SLIC, but I don't know how to get rid of the "marker".

    How can I remove it?

    Thanks in advance!

    -Tetsuji
      My ComputerSystem Spec

  2.    10 Oct 2015 #2

    You can't, it's part of the manufacturer programmed bios firmware that doesn't get changed with a standard bios upgrade. Just curious, why do you want to?
      My ComputerSystem Spec

  3.    10 Oct 2015 #3

    I have minor problems with this notebook which I don't have with the desktop; With this notebook, when I installed build 10240, hitting start button, some items (settings, file explorer) are missing. It varies time to time. Recently upgrading to 10547 (I was given 2-3 weeks ago, so it was about 10 days ago), when I boot, the login screen doesn't accept the password; after ctrl+alt+del, login screen accepts password. It is as if Windows were blocking intentionally.

    So I suspect something wrong with this notebook exist. So this notebook isn't reliable. When write the first message, I checked the product key with ShowKeyPlus and found it's BBBBB-BBBBB-...(all B's) in other words, the value is zero. And at the same time I got a message "Windows 7 OEM marker present in firmware". Note this notebook had Windows Vista before. So I suspect this harm.

    On the desktop (normally behaving), showkeyplus says "OEM key not found in the firmware".

    What is wrong with notebook do you think ?

    best regards,

    -Tetsuji
    Last edited by maverick6664; 10 Oct 2015 at 19:01.
      My ComputerSystem Spec

  4.    10 Oct 2015 #4

    To solve the ctrl+alt+del issue:

    1. Win+R key to bring up run dialog
    2. Type netplwiz and enter
    3. Click the advanced tab in the user accounts window that opens.
    4. Bottom section, uncheck "require users to press ctrl+alt+del"

    My laptop also has the Windows 7 marker and it shouldn't interfere with anything. I think that was just the preparation Microsoft and the computer manufacturers were making to store Windows 8 product keys in bios.

    Actually - on another thread someone explained the Windows 7 marker:
    How to get the productkey of old OS (Win 7) after upgrading to Win 10? - Page 6 - Windows 10 Forums

    Yeah, the OEM-SLP keys are generic keys common to that manufacturer. They are actually blocked from online activation and phone activation. Factory OEM-SLP installs do not activate online, they activate against the SLIC table in the BIOS. That's why the key on the COA sticker is a different key and a unique key. It can activate online, although I've usually had to do a phone activation the first time I used one of those. If you can actually read the sticker that is.
      My ComputerSystem Spec

  5.    10 Oct 2015 #5

    Thank you for ctrl+alt+del problem. But it was unchecked from the beginning. So I cannot fix this. This notebook still requires ctrl+alt+del. Especially when rebooting, the whole screen flicks black and white twice or 3 times, then initial screen appears. Then ctrl+alt+del is required....so I suspect windows 10 is intentionally doing this.

    What can I do? I'm at a loss.

    Looking at SLIC-toolkit (advanced tab), only "No OEM Certificate found" is red, but this is no longer OEM, so I don't mind.

    Now I'm doing "dism /online /cleanup-image /restorehealth /source:wim:f:\sources\install.wim:1 /limitaccess" for sure. Am I off the point?

    best regards,

    -Tetsuji
      My ComputerSystem Spec


  6. Posts : 2,014
    Windows 3.1 to Windows 10
       10 Oct 2015 #6

    Windows 10 ( 10240 and above ) has to be installed over a qualifying OS or activated preview edition

    It appears you clean installed windows 10 10240 on a blank HDD without a prior windows 10 (Preview) activation or an upgrade from a qualifying OS (Windows 10 upgrade activation)
      My ComputerSystem Spec

  7.    10 Oct 2015 #7

    Kyhi said: View Post
    Windows 10 ( 10240 and above ) has to be installed over a qualifying OS or activated preview edition

    It appears you clean installed windows 10 10240 on a blank HDD without a prior windows 10 (Preview) activation or an upgrade from a qualifying OS (Windows 10 upgrade activation)
    Thank you for your reply.

    Really? Actually I clean installed Windows 10 10240. hmmmm....fortunately I have 10162 dvd. If I begin with this, shall I succeed? It will take time and may cost..

    EDIT: oops....10162 has expired. It cannot be activated.
    Last edited by maverick6664; 10 Oct 2015 at 23:35.
      My ComputerSystem Spec

  •    11 Oct 2015 #8

    maverick6664 said: View Post
    Thank you for your reply.

    Really? Actually I clean installed Windows 10 10240. hmmmm....fortunately I have 10162 dvd. If I begin with this, shall I succeed? It will take time and may cost..

    EDIT: oops....10162 has expired. It cannot be activated.
    Is your current install of Windows 10 activated?
      My ComputerSystem Spec

  •    11 Oct 2015 #9

    NavyLCDR said: View Post
    Is your current install of Windows 10 activated?
    It was activated until today morning, but it wasn't activated now.....so I need to install 8.1pro.
      My ComputerSystem Spec

  •    11 Oct 2015 #10

    Microsoft changed the rules after the consumer release went out. You have to do the free upgrade and activate Windows 10 on that hardware to be able to do a clean install. Even the Insider Preview. Or install and activate a Retail version first. Then opt in for insider builds. My guess is its to stop you from running the Insider preview for free for ever. 10240 confused things as it had no watermark and showed as activated. A glitch I think. If you never upgraded in the first place, and originally clean installed the Insider Preview, if you do a clean install now and it won't activate. It's confusing and very hard to explain. Look here, http://blogs.windows.com/windowsexpe...w-build-10525/ namely the Getting started with new Windows 10 Insider Preview builds: part.
      My ComputerSystem Spec


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