Dell Inspiron 5455/5555/5755 System BIOS System BIOS A12

Restart required

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.

Driver Id : GJ54M

Importance : Recommended

Version : A12, A12 Latest version Recommended version Latest and Recommended version

Release Date : 02 Sep 2016

Download Type : System BIOS

Category : BIOS

This package provides the Dell System BIOS update and is supported on Dell Inspiron 5455/5555/5755 for Windows and DOS Operating Systems.

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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: 5455A12.exe

File size: 6.53 MB

To ensure the integrity of your download, please verify the checksum value.

MD5: a081a7c2225871c49b694b3e68a56e90

SHA1: 31c48c1ba16fa86cafb1ce8ec64e480dd2a31246

SHA-256: f253164f43d294aadad9d636b7b4bab9ec28baac39903406d292b2594afc8f67

Download .EXE

Installation instructions

[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)]
1. Copy the downloaded file to a bootable DOS USB key.
2. Power on the system, then Press F12 key and Select "USB Storage Device" and Boot to DOS prompt.
3. Run the file by typing copied file name where the executable is located.
4. DOS System will auto restart and update BIOS while system startup screen.
5. 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,Load Legacy Option ROM Disabled)]
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 List Option"
3. Change "UEFI" to "Legacy" of Boot List Option
4. Go to "Exit > Exit Save Changes" and reboot system.
5. Press F12, then Select "USB Storage Device" 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.
8. Go to BIOS Setup by pressing pressing F2 and go to "Boot > Boot List Option"
9. Change "Legacy" to "UEFI" Boot Option.
10. Load Legacy Option ROM->Enabled
11. Go to "Exit" > Exit Save Changes and reboot system

Reboot will be required

Dell Inspiron 5455/5555/5755 System BIOS System BIOS A12

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Fixes & Enhancements

Compatible Systems

Supported Operating Systems

Installation instructions

Applies to