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 3501 and Vostro 3400/3401/3500/3501 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 contains the Dell system BIOS update. BIOS is a firmware package that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.
To view all drivers for your Inspiron 3501, go to Drivers and downloads.
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Inspiron_3501_Vostro_3400_3401_3500_3501_1.25.0.exe | 36.22 MB
Enter the Service Tag of your device to check the compatibility of this download with your device.
This is a large file. Depending on your connection speed, it may take some time to download.
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File Format: CPG BIOS Executable for Windows/DOS
File Name: Inspiron_3501_Vostro_3400_3401_3500_3501_1.25.0.exe
File Size: 36.22 MB
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:
d7e37c53a129f5dc79c9566fe1742c9e
SHA1:
754f6b543957f4aaebdf8287fb5533fe8076e270
SHA-256:
17d80ac1d67eacc2e4df12e849d07c7a91a67e476547b6fed490718994dc479e

Find more updates. Use SupportAssist to find all the latest driver updates for your device.

Fixes & Enhancements

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2023-113, DSA-2023-174, and DSA-2023-176. For more information, see Dell Security Advisories and Notices.
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Version

1.25.0, 1.25.0

Release date

11 Jul 2023

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.
View Important Information
File Format: BIOS Recovery Image File
File Name: BIOS_IMG.rcv
File Size: 36.21 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 Recovery image file. This file is used for the System BIOS Recovery process to recover a system from a corrupted BIOS.
To ensure the integrity of your download, please verify the checksum value.
MD5:
9964221a70073f9982c3ea6f7bf8fa6c
SHA1:
818487aebcab635a5aa688bee5a8e36957e9fe4f
SHA-256:
44f35c86f0ccf4a54e2173a56b03cd071adff2909dc7b3679bdb111ea68d8707

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

Additional details

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- 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.
1.29.009 Apr 2024
1.28.005 Feb 2024
1.27.109 Nov 2023
1.26.012 Sep 2023
1.23.011 Apr 2023
1.22.015 Feb 2023
1.19.011 Oct 2022
1.18.008 Sep 2022
1.17.008 Aug 2022
1.16.008 Jul 2022
1.15.013 Jun 2022
1.14.011 May 2022
1.13.013 Apr 2022
1.12.008 Mar 2022
1.11.013 Jan 2022
1.10.012 Jan 2022
1.9.009 Nov 2021
1.8.001 Sep 2021
1.7.113 Jul 2021
1.6.023 Jun 2021
1.5.027 May 2021
Dell Inspiron 3501 and Vostro 3401/3501 System BIOS
Dell Inspiron V3400/N3501/V3500
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. 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.

Need help with BIOS issues?

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

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