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.

Dell Inspiron 7577 and Vostro 7570 System BIOS

Restart required AUTO INSTALLED This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.
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 Technical Advisory INTEL-TA-00391 and Intel Security Advisories INTEL-SA-00358, INTEL-SA-00381, and INTEL-SA-00389. A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your Inspiron 15 Gaming 7577, go to Drivers and downloads.
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Insprion_7577_Vostro_7570_1.12.1.exe | 6.77 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.

File Format: CPG BIOS Executable for Windows/DOS
File Name: Insprion_7577_Vostro_7570_1.12.1.exe
File Size: 6.77 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:
f440ebdcd170192607804e36d2e10636
SHA1:
88e180ee0f59d90defbb0ef5cae63478488cd753
SHA-256:
0ad4b4676c8da4d74b0871e046718afcd21374a816bf8a0af48d9a2501774819

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- Firmware updates to address the Intel Technical Advisory INTEL-TA-00391 (CVE-2020-8745, CVE-2020-8705, CVE-2020-8751, CVE-2020-12303, and CVE-2020-12355).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00358 (CVE-2020-0587, CVE-2020-0591, CVE-2020-0592, and CVE-2020-0593).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00381 (CVE-2020-8696 and CVE-2020-8698).
- Firmware updates to address the Intel Security Advisory INTEL-SA-00389 (CVE-2020-8694 and CVE-2020-8695).
Read More

Version

1.12.1, 1.12.1

Release date

15 Jan 2021

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
View Important Information

File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 6.76 MB
This is a large file. Depending on your connection speed, it may take some time to download.
Format Description:
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.
To ensure the integrity of your download, please verify the checksum value.
MD5:
64cd1184220cf00a16206ed8a69d8d41
SHA1:
bcd0aa333ae5c734a87efbf7de4577cb903ac6e3
SHA-256:
51bd1279de366f82ea0a5f85492615028476d8ce0cf397e98f96d77c0de8d8cd

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

Additional details

Show All | Hide All
- Once the BIOS is upgraded, you cannot downgrade the BIOS EXE/Recovery (RCV) to versions earlier than 1.11.0 due to restrictions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- 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.
1.17.027 Apr 2022
1.16.012 Jan 2022
1.15.009 Nov 2021
1.14.001 Oct 2021
1.13.030 Jul 2021
1.11.019 Aug 2020
1.10.005 Jun 2020
1.9.305 Feb 2020
1.8.017 May 2019
1.7.015 Mar 2019
1.6.104 Sep 2018
1.5.013 Jun 2018
1.4.218 Feb 2018
1.2.017 Nov 2017
1.1.318 Oct 2017
Dell Inspiron 7577/Vostro Notebook 7570
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 DOS (Non-Windows users)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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.

Installation
Note: You must provide a bootable USB drive. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable USB drive.
2. Power on the system and then Press the F12 key.
3. Select USB Storage Device and boot to the DOS prompt.
4. Run the file by typing following command. For example:
C:\ Inspiron_7577_X.Y.Z.exe
Where C is the drive letter of the USB device where the executable file is located and Inspiron_7577_X.Y.Z.exe is the name of the downloaded file.
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 DOS with UEFI boot mode enabled (Non-Windows users, Load Legacy Option Disabled)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it 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 bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing the F2 key.
3. Go to General > Boot Sequence > Boot > Boot List Option.
4. Change UEFI to Legacy of Boot List Option.
5. Go to Exit > Save Changes and reboot system.
6. Press F12 and then select USB Storage Device and boot to the DOS prompt.
7. Run the file by typing the file name.
8. The system restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, the system restarts again.
9. Go to BIOS Setup by pressing the F2 key and go to General > Boot Sequence > Boot > Boot List Option.
10. Change Legacy to UEFI Boot Option.
11. Go to Exit > Save Changes and reboot the system.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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