The default parameter of F12 Boot Menu is set to "disabled". Brother MFC-3420C Printer Customer also viewed Dell Inspiron 545 Atheros WLAN More items related to this product Acer Aspire 5710Z LAN Specifications Follow these instructions: To choose a menu, use the left and right arrow keys. To choose an item, use the up and down arrow keys. To change the value of a parameter, press F5 or F6. Press Enter to expand this item. Press Esc while you are[…]