Dell Inspiron 7777 AIO and Inspiron 5477 AIO System BIOS

Restart required

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

Before updating, please read the installation instructions and important information noted below.

Driver Id : R27YW

Importance : Critical

Version : 1.2.11, 1.2.11 Latest version Recommended version Latest and Recommended version

Release Date : 22 Jul 2020

Download Type : System BIOS

Category : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Intel Security Advisories INTEL-SA-00295, INTEL-SA-00322, INTEL-SA-00320, and INTEL-SA-00329. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

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_7777_5477_AIO_1_2_11.exe

File size: 7.02 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: dc4526dddd47f72e9b9e3345c3858df5

SHA1: e6cc7c897374dcb4724d61bd56e6e34f9864a747

SHA-256: 97fc1330717e69afe0afacf9d6ac9bf75e7a11cb61fc3412e1968edeb54ca059

Download .EXE

File Format: This file format consists of a BIOS Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.

File Name: BIOS_IMG.rcv

File size: 14.19 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: 7abc0cc2566b3a44def71cab214ff224

SHA1: 9fed2473d81df76c4270c04624a41ed4412bec6c

SHA-256: d15b76e325114d043bf23cac51d60bf1ee5df00b219c2aeb51f6b2833f81d2be

Download .RCV

Fixes & Enhancements

- Firmware updates to address the Intel Security Advisory INTEL-SA-00295 (CVE-2020-0534, CVE-2020-0536, CVE-2020-0539, CVE-2020-0541, and CVE-2020-0542).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00322 (CVE-2020-0528, and CVE-2020-0529).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00320 (CVE-2020-0543).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00329 (CVE-2020-0548, and CVE-2020-0549).

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.

Dell Inspiron 7777 AIO and Inspiron 5477 AIO System BIOS

Download Files

Fixes & Enhancements

Important Information

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to