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_3881_1.2.1.exe
File size: 12.72 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: e4632a720a8fcb2c88003f56c749f881
SHA1: 08162f2878a0c3582af38d24c9f56a457377ede6
SHA-256: 54810960094cf7d039e566f0d1c86f889c72a637b1837a7f0f19d55185943d1b
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: 12.71 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 25a5756fd51443def2b84dc2e48202ae
SHA1: d2c76806ff65787448549396b8a1b8a23ffded9a
SHA-256: ea1034b0381145bee255f364dac352f7378c7239391e557f9cc8eca4b0e5753f
Fixes & Enhancements
- Enhanced the system boot stability.
Important Information
It is recommended that you do not power off the system until the process of updating the BIOS is completed.
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.
Download and Installation
1. Click Download File, to download the 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 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.
Installation
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
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 progress bar at the Dell logo screen. The system restarts again when the update is complete.