ENTERING CMOS SETUP

Unfortunately with all the different computers and BIOS chipsets. Entering the setup can be different. The following is a listing of the major ways to enter the CMOS setup and or the BIOS setup.

New Systems

New computers are commonly using one of the four keys to get into the computer setup

F1         during the boot process. (Gateway, HP , Packard Bell)
F2        during the boot process. (Packard Bell)
Esc       during the boot process.
Del       during the boot process. (Dell, Packard Bell)

Older Systems:

Acer, AST  Ctrl + Alt + Esc during the boot process.
Ctrl + Alt + Ins during the boot process.
Ctrl + Alt + Enter during the boot process.
Ctrl + Alt + S during the boot up process.
Page up during the boot process.
Page down during the boot process.

Some older systems such as early 486, 386, 286 Desktop computers actually required a floppy disk to get into setup, usually refereed to as a ICU / BBU/ SCU disk, this would have to be obtained through your computer manufacturer.

Laptop Systems:

While most laptops use one of the above keys to get into CMOS some older laptops get into CMOS by pressing the F1 / F2 at a flashing block / cursor as the computer is booting up.

Older IBM Systems:

Press and hold both buttons on the mouse as the computer is booting up.

Compaq:

F10 during the boot process.