Maintenance and Service Guide 5–1
5
Computer Setup
Starting Computer Setup
Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system is not 
working or will not load.
✎
Some of the Computer Setup menu items listed in this chapter may not be supported by your computer.
An external keyboard or mouse connected to a USB port can be used with Computer Setup only if USB legacy 
support is enabled.
To start Computer Setup, follow these steps:
1. Turn on or restart the computer, and then press 
esc while the “Press the ESC key for Startup Menu” message is 
displayed at the bottom of the screen.
2. Press 
f10 to enter BIOS Setup.
Using Computer Setup
Navigating and selecting in Computer Setup
The information and settings in Computer Setup are accessed from the File, Security, Diagnostics, and System 
Configuration menus.
To navigate and select in Computer Setup, follow these steps:
1. Turn on or restart the computer, and then press 
esc while the “Press the ESC key for Startup Menu” message is 
displayed at the bottom of the screen.
❏ To select a menu or a menu item, use the tab key and the keyboard arrow keys and then press enter, or use a 
pointing device to click the item.
❏ To scroll up and down, click the up arrow or the down arrow in the upper-right corner of the screen, or use 
the up arrow key or the down arrow key.
❏ To close open dialog boxes and return to the main Computer Setup screen, press esc, and then follow the 
on-screen instructions.
✎
You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the keyboard to 
navigate and make selections in Computer Setup.
2. Press 
f10 to enter BIOS Setup.
3. Select the File, Security, Diagnostics, or System Configuration menu.