Back to Contents PageFlashing the BIOSDell™ Studio XPS™ 1640 Service ManualFlashing the BIOS From a CDFlashing the BIOS From the Hard DriveIf a BIOS upgrade CD is provided with the new system board, flash the BIOS from the CD. If you do not have a BIOS upgrade CD, flash the BIOS from the harddrive.Flashing the BIOS From a CD1. Ensure that the AC adapter is plugged in and that the main battery is installed properly.2. Insert the BIOS upgrade CD, and restart the computer.Follow the instructions that appear on the screen. The computer continues to boot and updates the new BIOS. When the flash update is complete, thecomputer will automatically reboot.3. Press during POST to enter the system setup program.4. Select the Exit menu.5. Select Load Setup Defaults to reset the computer defaults.6. Remove the BIOS upgrade CD from the drive.7. Select Exit Saving Changes to save configuration changes.8. The BIOS upgrade finishes and the computer restarts automatically.Flashing the BIOS From the Hard Drive1. Ensure that the AC adapter is plugged in, the main battery is properly installed, and a network cable is attached.2. Turn on the computer.3. Locate the latest BIOS update file for your computer at support.dell.com.4. Click Download Now to download the file.5. If the Export Compliance Disclaimer window appears, click Yes, I Accept this Agreement.The File Download window appears.6. Click Save this program to disk and then click OK.The Save In window appears.7. Click the down arrow to view the Save In menu, select Desktop, and then click Save.The file downloads to your desktop.8. Click Close if the Download Complete window appears.The file icon appears on your desktop and is titled the same as the downloaded BIOS update file.9. Double-click the file icon on the desktop and follow the instructions on the screen.Back to Contents PageNOTE: If you use a BIOS upgrade CD to flash the BIOS, set up the computer to boot from a CD before inserting the CD.