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: ChengMing_3910_3911_1.8.0.exe
File size: 44.6 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: e2955719c0bffccdedd39c2a91ae667a
SHA1: 4bfc5d857356f418e8fcf911a6462939e6b86355
SHA-256: 8762e0fb34f9e11c266f0f91146deede6d1fd44f1225fa7170f4a61acb43798b
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: 44.59 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 23f4030e290898e518cbad51b72c5c2d
SHA1: a78ec4570e06b979caccd9d3ae7f4ae665eeb2d8
SHA-256: 8c001ba3c3d374f81d1b06c26246d04f15e58326553aed7fe7c58d9554c89834
Fixes & Enhancements
- Fixed the issue where the system audio is distorted when you play videos.
- Fixed the issue where the system stops responding during Power-On Self-Test (POST). This issue occurs when the NVMe or Trusted Platform Module firmware is interrupted while updating the firmware.
Important Information
- Do not power off the system until the process of updating the BIOS is completed.
- 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.
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.