From Gateway web site.How to install BIOS update.
Installation
(Power2Go) Steps to flash or re-flash the computer using a CD burner drive:
1. Place a blank CD in the optical drive. If a pop up window appears, close it.
2. Open the Power2Go software.
3. Select Disk Utilities, and then click Burn Disk Image.
4. Click OK.
5. Click Browse, and then navigate to where the image file is stored. The path to the file is C:\Cabs\9538719\9538719.iso
6. Click OK, and then click Burn.
7. After the CD has been created, restart the computer with the BIOS CD in the optical drive.
8. Boot to the optical drive.
9. At the Menu, select Option 1 to update the BIOS.
10. The BIOS flashes and beeps when finished.
11. When prompted, press any key to restart the computer.
12. When the computer is turning on, press the F2 key to enter the BIOS Setup Utility.
13. In the BIOS Setup Utility, press F9 to Load Setup Defaults, and then press the ENTER key.
14. Remove the BIOS upgrade CD from the optical drive.
15. In the BIOS Setup Utility, press F10 to Exit Saving Changes, and then press ENTER.
Steps to flash or re-flash the computer using a floppy disk drive or bootable USB flash drive:
1. Copy all of the BIOS files from the C:\Cabs\9538719\ folder to a blank floppy disk or a USB flash drive. Do not copy the 9538719.iso file.
2. Restart the computer with the floppy disk inserted or USB flash drive plugged in.
3 At the Menu, select Option 1 to update the BIOS.
4. The BIOS flashes and beeps when finished.
5. When prompted, press any key to restart the computer.
6. When the computer is turning on, press the F2 key to enter the BIOS Setup Utility.
7. In the BIOS Setup Utility, press F9 to Load Setup Defaults, and then press the ENTER key.
8. Remove the BIOS upgrade CD from the optical drive.
9. In the BIOS Setup Utility, press F10 to Exit Saving Changes, and then press ENTER.