SC402 (T438B)

This laptop ships with Windows 10 in S mode and driver pack cannot be installed in this mode. You can either take unit out of S mode permanently by following the instructions in this link on your SC402

https://support.microsoft.com/en-us/windows/switching-out-of-s-mode-in-windows-10-4f56d9be-99ec-6983-119f-031bfb28a307

or you can temporarily take the unit out of S mode for one boot following below instructions.

  1. Restart your laptop while holding down the left shift key on your keyboard. This should boot the machine to a light blue screen with Choose an option at the top of the screen.
  2. Click “Troubleshoot”, Click “Advanced options”, Click “Startup Settings” and click Restart
  3. A menu should appear showing several Startup Settings and there should be an option 7) Disable driver signature enforcement. Press 7 on your keyboard or whatever number appears before Disable driver signature enforcement to boot in mode required.
  4. Once booted in this mode you should be able to run the driver pack as per readme.txt

SC402
SC402B
T438
T438B
All Drivers
Windows 10 - 64 Bit