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 Alienware15/ Alienware 17 R2 System BIOS
Restart required Installed This file was automatically installed as part of a recent update. If you are experiencing any issues, you can manually download and reinstall.Dell Alienware15/ Alienware 17 R2 System BIOS
Recommended
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Fixes & Enhancements
1.Fix CPU haven't turbo frequency after S3 resume.
Read MoreVersion
A05, A05
Release date
01 Jul 2015
Download Type
System BIOS
Category
BIOS
Importance
RecommendedDell Technologies recommends applying this update during your next scheduled update cycle. The update contains changes to maintain overall system health. It ensures that the system software remains current and compatible with other system modules (firmware, BIOS, drivers, and software) and may include other new features.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: AW15A05.EXE
File Size: 5.32 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 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:
36247ba438cb94cad369bb17de6f6488
SHA1:
b894887695cac28b080ff4e330f956731383d8d5
SHA-256:
6522a1e000392e8c6b47cb2ec1637273f03990aacbd2ad1c0dde2325dce5e2be
By downloading, you accept the terms of the Dell Software License Agreement.
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
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
Need help with BIOS issues?
Find a solution in Dell's BIOS troubleshooting guideDrivers help and tutorials
For more downloads go to the Drivers and downloads. For help on using the information on this page, please visit Driver Help and Tutorials.