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How to Access BIOS on a Dell Computer

All Dell computers have a BIOS settings program that controls your hardware configuration settings. These settings are stored in a battery powered CMOS (Complementary Metal Oxide Semiconductor) chip, which maintains the settings when the laptop is off. The BIOS allows you to control hardware features on your Dell computer such as enabling or disabling hardware components, monitoring system temperatures and speeds, or setting boot sequence to boot the computer from a CD. The following shows how to enter BIOS on Dell.

Detailed Steps to Access BIOS on Different Models of Dell

1. For Inspiron, Optiplex, Latitude Dimension, Precision Models

2. For Dell400 Model

3. For Dell4400 Model

4. For Older Dell Computers

Adjusting the Hardware Functionality Using the BIOS

After you get to the BIOS, you can make changes to the following:

Note: Incorrectly changing BIOS settings may leave the computer in a state in which the operating system no longer starts. Therefore you’d better record the original BIOS settings before you modify them.
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