Basic Input or Output System, or BIOS, is sometimes known as System Setup. Unified Extensible Firmware Interface is standard on contemporary Dell PCs (UEFI). On a tiny memory chip located on the system board or motherboard of the computer, BIOS or UEFI is firmware. It serves as an interface between the operating system and the computer's hardware.
The BIOS or UEFI of the computer turns on all the fundamental hardware necessary to boot the operating system, including but not limited to:
Processor and cache on a chip
RAM, or system memory
controllers for audio and video
Typewriter and mouse
Internal hard discs
cards for internal expansion
On Dell PCs, you can access the BIOS or System Setup by:
During starting, at the Dell logo screen, repeatedly press the F2 key.
Alternately, at the Dell logo startup screen, press the F12 key repeatedly and choose BIOS Setup or System Setup from the menu.
NOTE: Different Dell machines may have a different BIOS or UEFI interface. Consult the user manual for your Dell computer to find out how to access the BIOS.
The BIOS or UEFI interface is intended for experienced computer users only. By altering these settings, you run the risk of losing data, the computer failing its power-on self-test (POST), and the operating system not launching.
No information on the cause is provided.
The BIOS should be updated as part of your regular update cycle, according to Dell. Updates to the BIOS can frequently add features, address bugs, or do both. The system software can be kept up to date and compatible with other computer modules with the help of feature improvements or modifications in the BIOS update (hardware, firmware, drivers, and software). Additionally, security upgrades and improved stability are provided by BIOS updates.
A simple self-installing BIOS update application is offered by Dell. Additionally, Windows Update is used to distribute crucial BIOS updates.
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Before attempting to update the BIOS, make sure you have a backup of your data. Potential data loss may occur as a result of errors during a BIOS update.
Before updating the computer's BIOS, disconnect any external USB drives, printers, and scanners.
Before you start changing the BIOS, the Dell laptop battery needs to be charged by at least 10%. Before starting the update process, Dell advises operating the laptop on AC power.
BEWARE: Before updating the Dell computer's BIOS, turn off BitLocker. When you restart the computer after not suspending BitLocker, the BitLocker key will not be recognized. To continue, you will be required to enter the recovery key, and the computer will prompt you for the recovery key on reboot. If the recovery key is unknown this can result in data loss or unnecessary operating system reinstallation.
Before you start, briefly turn off Windows' BitLocker security. Learn how to use the TPM to enable or disable BitLocker in Windows. Restarting the machine will automatically restore BitLocker protection.
To have SupportAssist automatically detect your Dell machine, click Download & Install. To install Dell SupportAssist, adhere to the on-screen directions.
Alternately, enter the Dell computer's Service Tag, Express Service Code, or Serial number and click Search.
You can also manually choose your Dell PC from the catalog by clicking Browse all items.
Decide on the computer's installed Operating System.
Go to Category and choose BIOS.
Find the most recent System BIOS.
To download the file to your PC, click Download.
Navigate to the location where the downloaded file was saved using File Explorer (also known as Windows Explorer).
To finish the installation procedure, double-click the downloaded BIOS setup file and adhere to the on-screen instructions.
The BIOS update procedure will be finished after the computer restarts.
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