Acer Aspire 4739 Acer Aspire 4339 4739 4739Z Notebook Series Service Guide - Page 70

BIOS Flash Utilities 0 BIOS Flash memory updates are required for the following conditions: New versions of system programs New features or options Restore a BIOS when it becomes corrupted. Use the Flash utility to update the system BIOS Flash ROM. NOTE: NOTE: If a Crisis Recovery Disc is not available, create one before Flash utility is used. NOTE: NOTE: Do not install memory related drivers (XMS, EMS, DPMI) when Flash is used. NOTE: NOTE: Use AC adaptor power supply when running Flash utility. If battery pack does not contain power to finish loading BIOS Flash, do not boot system. Perform the following to run Flash. 1. Prepare a bootable USB HDD. 2. Copy Flash Utility to bootable USB HDD. 3. Boot system from bootable USB HDD. NOTE: NOTE: Flash utility has auto execution function. 2-14 System Utilities