ET5x Windows OS defaulting the BIOS when USB and Touch Screen are disabled

Article ID: 62998324

Issue / Question

Customer disabled USB controller in the BIOS and was unable to go back in to change or default BIOS settings.

Applicable To

ET50 ET55 Tablets running Windows OS

Resolution / Answer

To navigate the BIOS menu without touch Screen functionality:

Windows Logo \ button = Enter
Volume up button = Up arrow
Volume down button = Down arrow
Both volume buttons = ESC
Windows button + volume up button = Left arrow
Windows button + volume down button = Right arrow

To reset BIOS settings:

Hold both volume buttons pressed while then press the power button when it vibrates release this will boot to the BIOS menu
Hold windows button pressed and press volume down button 5 times to set focus to “SCU”
Press windows button to select “SCU” 
Hold windows button pressed and press volume down button 5 times to open “Exit” settings
Press volume down button 3 times to set focus to “Load Optimal Defaults”
Press windows button to select “Load Optimal Defaults
Press windows button to confirm 
Focus automatically transfers to “Exit Saving Changes”
Press windows button to select “Exit Saving Changes”
Press windows button to confirm