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_3501_Vostro_3400_3401_3500_3501_1.42.1.exe
File size: 31.73 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 8f8ea8eff6c8adbdaf5f6b08e3c1e3dd
SHA1: 1b38058c743f6e8d9b95f3069b23afa4afb3ab25
SHA-256: b040f2889b5ffa18319bbe47338b362fd294c3c0ad8a6fd8873e63c4c529f27e
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: 31.72 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: cb84ed5f105bdf81f23ba19b869297e1
SHA1: d9671009a08f3cec0971c8b7dc1dc8cafd97edce
SHA-256: 36093682b015f502de60d690f500df89408ad907de714319d6a4dae41b9fbdc0
Fixes & Enhancements
- Added the Connected Service Delivery option under Update Recovery in the BIOS Setup.
Important Information
- This BIOS contains the new 2023 Secure Boot Certificates.
- Once the BIOS is upgraded, you cannot downgrade the BIOS to versions earlier than 1.6.0 due to downgrade 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.
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 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.
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.
Applies to
Dell Inspiron 3501 and Vostro 3401/3501 System BIOS
Dell Inspiron V3400/N3501/V3500