Acer Aspire E1-421 Acer Aspire E1-421 Notebook Service Guide - Page 73

DOS Flash Utility 0 Perform the following to use the DOS Flash Utility: 1. Press F2 during boot to enter Setup Menu. 2. Select Boot Menu to modify boot priority order. Example: If using USB HDD to Update BIOS, move USB HDD to position 1. 3.7 Boot priority order: 1. HDD0: WDC WD3200BPVT-22JJ5T0 2. ATAPI PIONEER DVD-RW DVRTD11RS 3. USB FDD: 4. Network Boot: Atheros Boot Agent 5. USB HDD: 6. USB CDROM: Item Specific Help 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 Figure 2-12. BIOS Boot 3. Copy ZQZ102.EXE to a bootable USB HDD. 4. Insert the USB HDD and reboot computer. 5. Execute ZQZ102.EXE under DOS mode to update BIOS. 6. Flash process begins as shown in Figure 2-13. System Utilities 2-15