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.

Alienware m15 and m17 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.
This package contains the Dell system BIOS update. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices.
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Fixes & Enhancements

Fixes:
- Fixed the issue where the system displays an error code during Enhanced Pre-Boot System Assessment (ePSA).

Enhancements:
- Improved the stability of the system when the system is running on battery.
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Version

1.2.0, 1.2.0

Release date

08 Aug 2019

Download Type

System BIOS

Category

BIOS

Importance

Recommended
Dell 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: Alienware_m15_R2_m17_R2_1.2.0.EXE
File Size: 7.96 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:
1cff3273375b224026874a308fc31ff4
SHA1:
903050751430573503b5bf5193c129dddc92fe13
SHA-256:
94125ba9175a9d91014bf98fb6627d96cbd2b528e92ba5b337640dba2b04d54e

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

Additional details

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Dell Alienware m15 R2;Alienware m17 R2 System BIOS
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.
Note 2: Do not turn off power or interrupt the BIOS update process during the update.

1. Click Download File, to download the file.
2. Click Save to save the file to your hard drive
3. Browse to the location where you downloaded the file and 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.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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