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_Vostro_5415_5515_1.23.1.exe
File size: 40.31 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: a430761caa30b4ce080a2b280b5bceb8
SHA1: 5676ef22c1dfbeff853ae715e13276f464aa1b70
SHA-256: 5213a2f2d08ee393afc0ba6a6d7ce2289ab18c477615b9e766836b5316b41043
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: 18.09 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 2d5943a23967860243a1563d84a5003a
SHA1: 6748992bc609dabadbdfce083bca58e595de1071
SHA-256: 301bbfdb07758b6df432f4f8dcbab56b430f61a5e8884ebc349debb19a94b65d
Fixes & Enhancements
- Fixed the issue where the system cannot turn on and 3A4W error code is displayed. This issue occurs when you unplug the adapter and battery cable during a BIOS update.
Important Information
- Once the BIOS is upgraded, you cannot downgrade the BIOS to earlier versions. 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. 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.
Applies to
Inspiron 5415/5515
Vostro 5415/5515