Acer Aspire E1-531 Acer Aspire E1-531 and E1-571 Notebook Service Guide - Page 56

DOS Flash Utility NOTE: Plug the AC power adaptor to a power source before performing the DOS Flash Utility. Perform the following to use the DOS Flash Utility: 1. Copy Flash.BAT to the USB HDD. 2. Press F2 during boot to enter the BIOS Setup Utility. 3. Select Boot menu to modify the boot priority order. 4. Move the USB HDD to position 1 (refer to Boot on page 2-10). Information Main Security InsydeH20 Setup Utility Boot Exit Rev. 3.7 Boot priority order: Item Specific Help 1. HDD0 : Hitachi HTS545032B9A300 2. ATAPI CDROM : MATSHITADVD-RAM UJ870BJ 3. USB FDD : 4. Network Boot : BRCM MBA Slot 0200 v15.0.11 5. USB HDD : 6. USB CDROM : Use or to select a device, then press to move it down the list, or to move it up the list. Press to escape the menu F1 Help Esc Exit Select Item Select Menu F5/F6 Change Values Enter Select Sub-Menu F9 Setup Defaults F10 Save and Exit Figure 2:15. Changing the BIOS Boot Priority Order 5. Insert the USB HDD and reboot the computer. 6. Enter the BIOS folder. 7. At the command prompt, type BIOS.bat and press Enter to update BIOS. C:\>BIOS.bat_ Figure 2:16. Executing BIOS.BAT IMPORTANT: • Ensure the AC power adaptor is connected to the power source. • Do not disconnect the AC power adapter. 2-15 System Utilities