Acer TravelMate 8473 Acer TravelMate 6495T, TG and 8743, T, TG Service Guide - Page 196

5. While resting the tool on the two contacts, plug one end of the AC adapter into the DC-in jack and plug one end to an electrical outlet. 6. Press the button to turn on the computer. 7. After the BIOS POST, remove the tool from the hardware gap. 8. Reinstall the battery pack and the lower case cover. 9. Turn on the computer and press F2 during bootup to access the Setup Utility. If no password prompt appears, the BIOS passwords have been cleared. If the prompt appears, repeat steps 4-9 until the BIOS passwords have been cleared. 10. Press F9 to load the system defaults. 11. Press F10 to save the changes you made and close the Setup Utility. 12. If a wireless module was removed, reinstall it. Performing a BIOS Recovery 0 Boot Block 0 An interruption during a BIOS flash procedure (e.g. a power outage) can corrupt the BIOS code, which will cause the system to go into an unbootable state. The BIOS boot block refers to a special BIOS program that can be used to boot up a system with minimum BIOS initialization.You need to access and execute the boot block to reboot the computer and recover the regular BIOS code. Creating the Crisis Disk 0 NOTE: NOTE: The BIOS crisis recovery disk should be prepared in a computer running the Windows XP, Vista, or 7 OS. 1. Prepare a removable USB flash drive. Note that all data in the USB flash drive will be cleared during the creation of the crisis disk. 2. Set up a computer running the Windows XP, Vista, or 7 operating system and plug in the USB flash drive into an available USB port. 3. Open the Notepad program and create a new file. 4. Type startup.nsh. For example, the USB key prompt is fs0. The PFlash.efi and BIOS.cap files are in the fs0: root directory. 5-6 Jumper and Connector Locations