Acer Aspire M5-481PT Acer Aspire M5-481T, PT, and TG Notebook Service Guide - Page 70

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. 3. Move USB HDD to position 1 (Figure 2-14). (Refer to Boot menu) InsydeH20 Setup Utility Information Main Security Boot Exit Boot priority order: 1. USB HDD: USB 2.0 Flash Disk 2. IDE0: WDC WD 2500BPVT-22ZEST0 3. IDE1: 4. USB FDD: 5. Network Boot: Atheros Boot Agent 6. USB CDROM: Rev. 3.5 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. F1 Help ESC Exit  Select Item  Select Menu F5/F6 Enter Change Values Select>SubMenu F9 Setup Default F10 Save and Exit Figure 2-14. Change BIOS Boot Priority Order 4. Copy Z09_022.exe to USB device, and insert device into a system port. 5. Boot to DOS mode. 6. Execute Z09_022.exe to update BIOS. (Figure 2-15, where C: is the name of the USB drive) The system restarts after update is complete. 2-16 Acer M5 481/481G/481T/481TG System Utilities