Upon rebooting, however, the SCT Flash Utility will abort with this error message: ERROR 135 - This BIOS image can not flash to this system.! Status = 3. If you attempt to install the P-version when Computrace is not set to "Permanently Disabled", the BIOS update utility will proceed as normal past the first reboot prompt. The system program file is not correct for this system. When attempting to install the W-version afterwards, the BIOS update utility gives this error message: Error In the Security section, the Anti-Theft submenu should now be absent. In the BIOS Setup screen you should see the UEFI BIOS version ending with "P". If you use the CD image or the Linux package, different steps may apply. If you would like to install the BIOS update from within Windows, you can skip step 3 and perform step 4 directly in the extracted folder ( C:\DRIVERS\FLASH\n24uj17w). The USB flash drive is now prepared to be used to install the BIOS. You can help test this by skipping this step and checking the installed BIOS version afterwards. There is a chance the update utility might select the P-version automatically but I cannot test this since I've already install the P-version and the action is irreversible. Note: I am unsure if this step is actually needed. After doing so, there should still be a folder ending in P that is intact (in my case N24ET54P), which contains the BIOS firmware of the P-version. It should be the folder containing the BIOS firmware of the W-version. In the installer folder ( E:\Flash if you made the bootable USB), rename the folder ending in W (in my case N24ET54W) to add a leading underscore (e.g. This sets up a bootable USB flash drive with the BIOS update files. Open a command prompt, then execute mkusbkey E: (in my case, E: drive is the drive letter of my USB flash drive). Navigate to the folder where the files are just extracted to ( C:\DRIVERS\FLASH\n24uj17w). Run the downloaded package to extract the files (let's say to C:\DRIVERS\FLASH\n24uj17w), but do not choose to run the BIOS flashing utility immediately. It is just like the normal BIOS update process but with an extra step (which I'm not even sure if it is necessary - see note below). I tend to make a boot USB drive out of the Windows package, so this is what I will be describing here. If you have previously updated the BIOS while having Computrace already set to "Permanently Disabled", there is a chance you might already have the P-version installed (see the note somewhere below this). Installing the P-version requires having Computrace set to "Permanently Disabled".Īfter installing the P-version you will not be able to return to the W-version unless perhaps you have previously made a back-up of the BIOS chip.ĭue to the last two points, the process of installing the P-version is irreversible. For simplicity I'll call them "P-version" and "W-version" here. The "Non-Absolute Persistence Module version" of BIOS has a version string ending in "P" whereas the normal version of BIOS has one ending in "W".
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