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 provides the Dell System BIOS update and is supported on Dell Inspiron 7577 and Vostro 7570 for Windows and DOS Operating Systems.
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Fixes & Enhancements

Fixes:
- Updated Intel ME Firmware to address security advisory INTEL-SA-00086 (CVE-2017-5705 & CVE-2017-5708)
- Update to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
- Updated the handling of pre-boot authentication information by firmware.
- Updated UEFI variable input validation.
- Updated the handling of 3rd party Option ROM loading.
- Updated SPI flash command configuration settings.

Enhancements:
- Enhanced the user experience for first power on date.
- Updated Dell Dock Port Type Classification in SMBIOS Table.
Read More

Version

1.4.2, 1.4.2

Release date

18 Feb 2018

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.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: Insprion_7577_Vostro_7570_1.4.2.exe
File Size: 6.69 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 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:
9a465321eb31e6c8649a2acf49888c14
SHA1:
cfed918ede46694fe01982ef65454c5030f8a8a6
SHA-256:
42ded4eac43ec3a4a8a2a0a5c4759a995344afab549688ac23c4ed3ae9740806

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

Additional details

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1. BIOS cannot be downgraded from current version updated.
Dell Inspiron 7577/Vostro Notebook 7570
BIOS Update Executable for Windows/DOS

[Download]
1. Click "Download File", to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

[Run the BIOS update utility from Windows environment]
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.

[Run the BIOS update utility from DOS environment, if Legacy Boot mode (Non-Windows users)]
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, 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 is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. After BIOS update finished, system will auto reboot to take effect.

[Run the BIOS utility from the DOS environment, if UEFI Boot mode with Load Legacy Option disabled (Non-Windows users)]
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, 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 > Exit Save Changes" and reboot system.
5. Press F12, then Select "USB Storage Device" and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. DOS System will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 key and go to "Boot > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit Save Changes" and reboot system.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.

Need help with BIOS issues?

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

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