ET5x Windows navigate bios without USB or touch screen

Article ID: 28489441

Issue / Question

For Windows versions of the ET5x tablets. How to navigate the BIOS to load defaults, if both the USB and Touch screen are disabled

Issue Details

Both the USB and Touch screen controllers had been disabled in BIOS

Applicable To

ET50 ET55

Resolution / Answer

Button Functionality in BIOS mode

The Windows logo on the front bezel is a touch sensitive button
 

Volume Up button = Up arrow
Volume Down button = Down arrow
Volume Up/Down = ESC
Windows Logo = Enter
Windows Logo + Volume Dp button = Left arrow
Windows Logo + volume Down button = Right arrow

 
Step to default BIOS settings

  1. Power the ET5x off
  2. Press and Hold both Volume Up\Down buttons together and while holding, Press the Power button for 1 second, the ET5x will load the BIOS menu
  3. Hold windows button and press volume down button 5 times to highlight “SCU”
  4. Press windows button to select “SCU”
  5. Hold windows button and press volume down button 5 times to Select “Exit” 
  6. Press volume down button 3 times to select “Load Optimal Defaults”
  7. Press windows button to select “Load Optimal Defaults”
  8. Press windows button to confirm
  9. Focus automatically switches to “Exit Saving Changes” "Yes"
  10. Press windows button to select “Exit Saving Changes”
  11. Press windows button to confirm exit

+ Applicable Products

  • ET50
  • ET55