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_3646_A04.exe
File size: 8.51 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 97639795e1d25452ef9f7c77940e79ff
SHA1: 9b02873ebceae53b60d60d963a68b70b5aa5f37a
SHA-256: eab1cfd223ead69c7c741c0208eb7618430823c4a336c0b60c1097a2f35448b3
Fixes & Enhancements
Fixes:
- Not Applicable
Enhancements:
- Enhanced USB 3.0 compatibility.
Important Information
Do NOT power off the system until the process of updating(flashing) BIOS has been done.
Supported Operating Systems
Installation instructions
BIOS Update Executable for Windows/DOS
Download
1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.
Run the BIOS update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Windows System will auto restart and update BIOS while system startup screen.
3. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if Legacy Boot Mode(Non-Windows users)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select USB Storage Drive and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. After BIOS update finished, system will auto reboot to take effect.
Run the BIOS update utility from DOS environment if UEFI Boot Mode (Non-Windows users)
NOTE: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then go to BIOS Setup by pressing F2 and go to Boot > Boot Mode option.
3. Change UEFI to Legacy Boot Mode.
4. Go to Exit > Save Changes and restart system.
5. Press F12, then Select USB Storage Drive and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable is located.
7. After BIOS update finished, system will auto reboot to take effect.
7. Go to BIOS Setup by pressing F2 key.
8. Change the Legacy to UEFI from F2 > Boot > Boot Mode.
9. Go to Exit > Save Changes and restart system to go back original UEFI Boot Mode.
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Note: Please make sure you suspend BitLocker encryption before updating BIOS on a BitLocker enabled system.
If you don't enable BitLocker on your system you can ignore it.
Reboot will be required