Acer 4253 Laptop User Manual


 
System Utilities 2-27
4. Copy the BIOS HM40X64.bin file to the USB flash disk root directory.
NOTE:
NOTE
:
Do not place any other *.fd files to the USB flash disk root directory.
5. Plug in the USB Flash Disk without AC plug.
6. Press Fn + Esc keys and hold them down, then plug in AC power. The power button
flashes orange.
7. Press Power button and the system will enter crisis mode to flash the BIOS.