Download Files
File Format: 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.
File Name: Inspiron_5481_2.7.0.exe
File size: 15.67 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 65ed17aef66a2196234183f6bbff51f1
SHA1: 6fea3773286131cb9e0f05135b0c3e1adc369f1f
SHA-256: eb39994f3da14dd5e89f14275071668946653ebeddb5d66783e386f89105e4a4
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Inspiron_5481_2.7.0_external.txt
File size: 695 Bytes
To ensure the integrity of your download, please verify the checksum value.
MD5: e3404a2d541d7b401b8797017edeeb83
SHA1: a28745d0de0964f3b6a42cf3ce08df464e06219f
SHA-256: 6e2077b036e2576813cfe152dd436dd230b11eb0fcf5672039b681e19d3fb31e
Fixes & Enhancements
- Firmware updates to address the Intel Security Advisory INTEL-SA-00307 (CVE-2019-14598).
- Firmware updates to address the Intel Security Advisories INTEL-SA-00289 (CVE-2019-11157) and INTEL-SA-00317 (CVE-2019-14607).
Important Information
BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.
Supported Operating Systems
Installation instructions
Updating the BIOS from Windows
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.
Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. Double-click the new file.
5. The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.
Updating the BIOS from BIOS Boot Menu (independent of operating system)
Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.
Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click OK.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.