Acer TravelMate P643M Service Manual page 213

Performing a BIOS recovery
NOTE:
The function hotkey sequence Fn+Esc is used to enable the BIOS recovery process when
system is powered On during BIOS POST. If this function is enabled, the system will force the
BIOS to execute the boot block program.
To perform a BIOS recovery:
1. Shut down the BIOS failed-computer.
2. Connect the USB flash drive containing the Crisis Recovery disk files to the computer.
3. Press and hold the Fn+Esc keys, then press the power button
The BIOS recovery process begins. When the process is complete the computer will
automatically reboot.
4. Disconnect the USB flash drive from the computer.
5. Perform a BIOS flash procedure to update the BIOS firmware. Refer to the
Utilities" section on page
Jumper and Connector Locations
Downloaded from www.Manualslib.com
NOTE:
Make sure the battery pack is installed to the system and that the computer is
connected to a UPS unit during the BIOS recovery process.
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