Gateway E-1000 Series Maintaining And Troubleshooting page 50

As the system starts up, verify that the correct BIOS version is
14.
reported.
Enter BIOS Setup by pressing F1 when prompted during startup.
15.
Once in BIOS Setup, press F5 (to reset the BIOS to original default
values) and then reenter the values you wrote down at the beginning of
this process.
If you do not set the CMOS values back to original default values
using the F5 key before entering your particular setup values, the
system may function erratically.
BIOS Setup 39