Acer Aspire X1420G Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 70

BIOS Update Updating the BIOS in DOS Mode 1. Press the power button to turn on the computer and boot to DOS mode. 2. Key in 'cd dostool'. (Go to BIOS path like "A:\DOSTOOL") 3. Key in 'flash1M.bat' or 'flash1M'. 4. Press Enter to flash the system BIOS. 5. Reboot the computer. 6. Press Delete to run the CMOS Setup Utility. 7. Press F9 to load the system default settings. 8. Select Ok, then press Enter. 9. Press F9 to save the default settings and close the Setup utility. 10. Select Ok, then press Enter. 62 Aspire AX1400 Service Guide