Acer Aspire X5810 Aspire X3810 - X5810 Service Guide - Page 37

BIOS Recovery AMIBIOS8 supports a "recovery flash" mode, which can be used to flash update a BIOS from the boot block. This is used to update a BIOS image without the need to boot to an operating system. The following is the process that user should follow to flash BIOS ROM. 1. Prepare a Disk on Key (DOK) and keep it ready in hand. (1). Connect the USB storage device to a USB port on your computer. (2). Save the AMIBoot.ROM to the USB storage device. (3). After saving the file, unplug the USB storage device. 2. Connect the USB storage device containing the DOK to a USB port on the system. 3. Press the power button to boot the system, then press Ctrl + Home. The system initializes the BIOS recovery process. The failed BIOS code will be restored from the DOK. 4. Once the process is completed, the system will restart. Chapter 2 29