how to enter safe mode on dell latitude 3540

This way, it would be better to record BIOS settings before any modifications. Enter password if it is set already.Ĭaution: Improper changes on BIOS settings may lead you to trouble when operating system no longer starts on your system. Wait for few seconds until BIOS loads the screen and navigates it. On the initial boot screen when Dell logo is seen, press 'Del' key or 'Ctrl + Alt + Enter' key combo. When BIOS settings are changed, be sure to save changes. When the initial screen appears and displays the details of BIOS provider, you need to press 'F1' or 'F3' button. To access BIOS, you have to reach the initial display screen. If it is on already, you need to restart the system. Wait for a few seconds until its loads BIOS screen to navigate it. Keep pressing it until it displays the message 'Entering Setup'. On the initial screen when it displays Dell logo, quickly press 'F12' button before it disappears. Restart the system for changes to take effect. Once finished in BIOS section, save the changes. Enter password ( click to reset BIOS password if forgot), if it asks. The next screen will appear is BIOS settings. In Dimension and Optiplex models, the BIOS settings can be accessed from 'Del' key, rather than 'F2'. When the BIOS manufacturer details are displayed on the initial screen, press 'F2' key quickly. All you need to get to the initial display screen to access the BIOS. For Dell Latitude Dimension, Inspiron, Precision, and Optiplex Models Steps: How to Access BIOS on Different Models of Dell Computer We have listed the detailed steps on how to access BIOS settings on Dell desktop computer and laptop. It keeps track on system speeds and temperatures, enables/disables hardware components, and defines sequence to boot the PC from any bootable device.

On your Dell computer, the BIOS can control all the hardware features. This chip maintains settings when your DELL PC or Laptop is turned off. These configuration settings are stored in Complementary Metal Oxide Semiconductor (CMOS) battery chip. This way, it is important to change the list to define the order the system may boot from specific devices.īIOS settings program is also available on your DELL computer which controls all your hardware configurations.

You may have to format your system by booting from a USB drive or Windows CD, or you may have installed a new hard drive. You have to access the BIOS when it comes to change boot priority. It also controls whether specific elements are enabled or disabled, such as on-board audio processor and USB ports. From date and time settings to configurations like boot priority and memory and processor speed, BIOS controls it all. The Basic Input Output System or BIOS in your system is assigned to control the entire basic functions take place in your system.

How to enter safe mode on dell latitude 3540