ViewSonic VS12638 User Manual page 47

On the menu, click the up/down direction keys to select "Legacy" and click ENTER button
to enter the below menu:
2. Click the up/down direction keys to select "Boot Type Order" and click ENTER button to
enter the below menu:
3. Click the "Shift" + "+"or click "-" directly to remove the option position and then click the
up/down direction button to select the startup option. Proceed to click F10 to popup the
dialogue box and select "Yes" firstly, then click the Enter button to save the setting as
shown below:
There is no need to change the startup order and click F12 directly to select the
temporary startup option when the "Quick OS" is disabled after turning on the unit.
ViewSonic VNB101 38