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 Latitude 7275 and XPS 12 9250 System BIOS

Restart required AUTO 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 provides the Dell System BIOS update and is supported on Dell Latitude 7275 and XPS 12 9250 for Windows 8.1/10 and DOS Operating System
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Fixes & Enhancements

Fixes:
- Fix the behavior of Dell docks plug/unplug under pre-OS environment.
- Fix the system being reset if carrying in bag.

Enhancements:
- Implement SMBIOS 3.0.
- Update Intel ME FW to 11.0.18.1002.
- Update Dell DPF code for system enahncement.
- Update Dell platform code for running USB under legacy.
- Update Device Guard code to enhance Win10 enterprise experience.
- Enhance Power efficiency modified with Thunderbolt Alpine Ridge ASPM.
- Enhance power button behavior to avoid system reset triggered while putting in the bag.
Read More

Version

1.1.25, 1.1.25

Release date

23 Nov 2016

Download Type

System BIOS

Category

BIOS

Importance

Optional
Dell Technologies recommends reviewing this update to determine if it applies to your system. The update contains changes that impact only certain configurations or provides new features that may or may not apply to your environment.
Available formats View Important Information
File Format: CPG BIOS Executable for Windows/DOS
File Name: XPS_9250_Latitude_7275_1.1.25.exe
File Size: 12.42 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:
5a60eff784791e3e99f88694f648d382
SHA1:
83ec345d29351891ba5f6bec1769fc42cc7d4c08
SHA-256:
b84df83ec9fd8a3dd1a517a7c841b41c8ad878438e795d1b0c85a9758f2a6b57

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

Additional details

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Due to the new system memory material modification, please do not downgrade the BIOS older than 1.1.23, or system wouldn't be powered on with the new system memory.
DELL Latitude 7275
XPS 12 9250
BIOS Update Executable for Windows/DOS

Download
1. Download the file XPS_9250_Latitude_7275_1.1.25.exe
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)
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 with Load Legacy Option disabled (Non-Windows users)
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 "General-Boot Sequence - Boot List Option".
3. Change "UEFI" to "Legacy" of Boot List Option.
4. Click "Apply","Exit" to 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. DOS system will auto restart and update BIOS while system startup screen.
8. After BIOS update finished, system will auto reboot.
9. Go to BIOS Setup by pressing F2 and go to "General > Boot Sequence > Boot List Option".
10. Change "Legacy" to "UEFI" Boot Option.
11. Go to "Exit > Exit Save Changes" and reboot system.

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Note 1: You will need to provide a bootable DOS USB key. This executable file does not create the DOS system files.
Note 2: 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

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting and usage guide.

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