Acer TravelMate 4740 Service Manual

Also see for TRAVELMATE 4740: Quick guide Service guide

Contents

Acer TravelMate 4740 Service Manual Manual pdf 97 page image

Chapter 5 87BIOS RecoveryAn interruption during a BIOS flash procedure (e.g. a power outage) can corrupt the BIOS firmware, which willcause the system to become unbootable. You need to access and execute the boot block program to rebootthe system and recover the regular BIOS firmware.Observe the following when performing a BIOS recovery:• Make sure the battery pack is installed to the system and that the system is connected to a UPSunit during the BIOS recovery and BIOS flash procedures.• The BIOS crisis recovery disk should be prepared in a system running the Windows XP orWindows Vista OS.Creating the BIOS Crisis Recovery Disk in Windows1. Prepare a removable USB storage device with a capacity size greater than 10 MB.Note that all data on the USB storage device will be cleared during the creation of the crisis disk.2. Set up a system running the Windows XP or Windows Vista OS and plug in the USB storage device intoan available USB port.3. Decompress the Crisis Package Source.4. Select WINCRIS.EXE, then select Run as administrator.5. Keep the default settings, then click the Start button.6. When the pop-up warning dialog box appears, click OK to create the crisis disk.7. Click No if you do not want to create another crisis disk.8. Eject and reconnect the USB removable storage device, and make sure it contains the following threefiles:• BIOS.WPH• MINIDOS.SYS• PHLASH16.EXEPerforming a BIOS Recovery1. Shut down the BIOS failed-computer.2. Connect the USB storage device containing the Crisis Recovery disk files to the failed system.3. Press and hold the <Fn> + <Esc> keys (this is the BIOS recovery hotkey), then press the power button.The BIOS recovery process begins. When the process is complete the system will automatically reboot.4. Disconnect the USB storage device from the system.5. Perform a BIOS flash procedure to update the BIOS firmware. Refer to Running the Flash Utility sectionbelow.Running the Flash Utility1. Rename the BIOS file as “XXXXXXX.FD”2. Copy the “XXXXXXX.FD” file to a bootable USB device containing the Crisis Recovery disk files.3. Turn off the system.4. Insert the USB storage device containing the renamed BIOS file and the Crisis Recovery disk files to anyUSB port.5. Press and hold the <Fn> + <Esc> keys (this is the BIOS recovery hotkey), then press the power button.6. Release the <Fn> + <Esc> keys after POST.Downloaded from www.Manualslib.com manuals search engine