Acer Aspire S7-391 Acer S7-391 Notebook Service Guide - Page 51

BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery pack does not contain power to finish loading BIOS Flash, do not boot system. Perform the following to run Flash. 1. Turn off the computer. 2. Insert the USB device containing the BIOS file and the Crisis Recovery disk files to any USB port. 3. Press and hold the Fn + Esc keys (this is the BIOS recovery hotkey), then press the power button. 4. Release the Fn + Esc keys after POST. NOTE: NOTE: Flash utility has auto execution function. System Utilities 2-13