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 ChengMing 3977 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 BIOS update for Dell ChengMing 3977 running in the following Operating Systems: Windows and DOS
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Fixes & Enhancements
Fixes:
- 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.
- Updated to Intel ME Firmware to address security advisory INTEL-SA-00086 (CVE-2017-5705 & CVE-2017-5708)
- Updated to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
Read More- 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.
- Updated to Intel ME Firmware to address security advisory INTEL-SA-00086 (CVE-2017-5705 & CVE-2017-5708)
- Updated to the latest CPU microcode to address CVE-2017-5715 and associated Intel Reboot issue.
Version
1.3.3, 1.3.3
Release date
18 Feb 2018
Download Type
System BIOS
Category
BIOS
Importance
CriticalDell 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
File Format: CPG BIOS Executable for Windows/DOS
File Name: ChengMing_3977_1.3.3.exe
File Size: 5.88 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:
426bb73565ce546dde2507f4c6fae6fa
SHA1:
ec63a77f5a56852d05bb85af8a68b11e42363e93
SHA-256:
846bfbd5015d797c237506b6097ae2be78ac5848958e54953689280b26c83459
By downloading, you accept the terms of the Dell Software License Agreement.
Applies to
ChengMing 3977
Installation instructions
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.
Perform the BIOS update from the BIOS Boot Menu, independent of operating system, if BIOS supported
1. Copy the downloaded file to a USB flash device. It does not need to be bootable.
2. Insert the USB flash device 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 on the "..." button to browse the USB flash device to locate the downloaded file.
7. Select the file and click "Ok"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click "Begin Flash Update"
10. Reviewing the Warning message and click "Yes" to proceed with the update.
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
12. The system will restart once again when the Flash update is complete.
--------------------------------------------------------------------------------------------------
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
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.
Perform the BIOS update from the BIOS Boot Menu, independent of operating system, if BIOS supported
1. Copy the downloaded file to a USB flash device. It does not need to be bootable.
2. Insert the USB flash device 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 on the "..." button to browse the USB flash device to locate the downloaded file.
7. Select the file and click "Ok"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click "Begin Flash Update"
10. Reviewing the Warning message and click "Yes" to proceed with the update.
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
12. The system will restart once again when the Flash update is complete.
--------------------------------------------------------------------------------------------------
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.Drivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.