Driver Details

Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

Dell Inspiron 5448/5443/5548/5543 System BIOS

This package contains the BIOS update for Dell Inspiron 5448, 5443, 5548 and 5543 that runs Windows and DOS operating systems. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. The package updates CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640).

Fixes & Enhancements

Fixes:
- Update to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).

Enhancements:
- None.

Version

Version A09, A09

Category

BIOS

Release date

25 Oct 2018

Last Updated

25 Oct 2018

Importance

Available formats

File Format:Windows/DOS
File Name:Inspiron_5448_A09.exe
Download Type:HTTP
File Size: 23 MB
Format Description:This file format consists of a BIOS executable file. The Universal (Windows/MS DOS) format can be used to install from any Windows or MS DOS environment.
To ensure the integrity of your download, please verify the checksum value.
MD5:
4f9d1cc554d57a4acf4eafb32ea7f360
SHA1:
7624293307c821b2ef90a9244a4ea81a353d8466
SHA-256:
12d98ecaa37629b5e5e41672f635b1ffaf2ed28886cd764a4032a2e0d82301ea

By downloading, you accept the terms of the Dell Software License Agreement.

Installation instructions
Updating the BIOS through Windows
1. Click Download File, to download the file.
2. When the File Download window is displayed, click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file and double-click the new file.
Windows System restarts automatically and update BIOS at the system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with Legacy boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then Press F12 key and Select USB Storage Device and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option Disabled)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing F2 key and go to Boot > Boot List Option.
3. Change UEFI to Legacy of Boot List Option.
4. Go to Exit > Save Changes and reboot system.
5. Press F12 and then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After the BIOS update is finished, system will reboot automatically.
7. Go to BIOS Setup by pressing F2 key and go to General > Boot Sequence > Boot List Option.
8. Change Legacy to UEFI of Boot Option.
9. Go to Exit > Save Changes and reboot system.
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Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell highly recommends applying this update as soon as possible. The update contains changes to improve the reliability and availability of your Dell system.