Unfortunately the currently available UEFi BIOS Updater (UBU) has some limitations:ġ. This is the easiest and safest method for users, who just want to update one or more Option ROM or EFI modules, which are needed for a proper function of the onboard Device Controllers.

Before you start with the BIOS modding procedure, you should have read carefully the “General Preparations for BIOS Modding” ( >Linkthisthis< guide and let the UBU tool do the work.

If the SLIC and OEM ID match the SLP key and Windows Edition then offline product activation will occur. OEM branded installation media such as the Dell Windows 7 Reinstallation DVD will install Windows 7 OEM with a generic System Locked Preinstallation (SLP) key. A SLIC Version of 2.0 is for Windows Vista (End of Life) and a SLIC Version of 1.0 is for Windows XP (End of Life).

The System Licensed Internal Code (SLIC) Advanced Configuration and Power Interface (ACPI) table is embedded in the BIOS. The BIOS ACPI Table SLIC tab can once again be checked with RWEverything.Ī SLIC version of 2.1 is eligible for Windows 7 OEM System Locked Preinstallation. Use your phone to take a picture of the COA before Windows 10 installation:įor Windows 7 OEM there was also a BIOS based activation mechanism. In order to reduce their likelihood of fading OEMs typically placed them under the battery compartment in laptops. Since the launch of Windows Vista the COAs provided by Microsoft have been of low print quality. This Product Key can be used with Windows 10 Installation Media but is not typically used for Windows 7 installation (see System Licensed Internal Code): This is a paper label which contains your Edition of Windows alongside your 25 digit OEM Product Key. In the past systems shipped with Windows 7 OEM will have a code of Authenticity (COA). No MSDM table = No UEFI BIOS Embedded OEM SLP Key: You may also use the Windows Product Key Tool to obtain your UEFI BIOS Embedded SLP Key from your MSDM tab: In the rare case you have an issue with RW-Everything hanging when trying to open the ACPI tables contact Jeff RW-Everything Contact. The UEFI BIOS ACPI Table MSDM tab can be checked with RWEverything. The correct installation media discussed below will automatically input this SLP key during installation and you shouldn’t need to manually look it up to input it. The 25 digit System Locked Preinstallation (SLP) Product Key resides with a Microsoft Digital Marker (MSDM) Advanced Configuration and Power Interface (ACPI) table embedded in the Unified Extensive Firmware Interface (UEFI) BIOS. These labels just indicate the presence of a Windows License. Newer systems come with a Genuine Microsoft Label (GML) like the following: Your Original Equipment Manufacturer (OEM) Product Key Genuine Microsoft Label and Microsoft Digital Marker

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