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 OptiPlex 5250 AIO 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 for Dell OptiPlex 5250 All-in-One system that runs Windows operating system. BIOS is a firmware that is embedded on a small memory chip on the computer's system board. It controls the keyboard, monitor, disk drives and other devices. This update includes the Data Wipe feature in BIOS that enables erasing data from storage and fixes a potential issue where the Auto-On feature does not work properly. This package includes the latest Intel ME firmware that addresses Intel Security Advisories.
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Fixes & Enhancements

Fixes:
- Includes the Data Wipe feature in BIOS that enables removing data from storage.
- Fixed a potential issue where the Auto-On feature does not work properly if system is powered down from F12 boot menu. Auto on feature is a BIOS feature that can wake the system up from a preset wake-up time.
- Fixed the TPM startup error under TPM enabled condition when the system resumes from sleep mode.
- Fixed a potential issue with binary image measurement using the Linux UEFI shim boot loader.
- Fixed a potential issue where the system stops responding when an incorrectly formatted password is entered at the BIOS security Manager (BIOS preboot password) prompt.
- Updated Intel ME Firmware to address security advisories INTEL-SA-00112 (CVE-2018-3628 CVE-2018-3629 CVE-2018-3632) & INTEL-SA-00118(CVE-2018-3627) INTEL-SA-00125 (CVE-2018-3655), Intel-SA-00131 (CVE-2018-3643 CVE-2018-3644) & INTEL-SA-00141 (CVE-2018-3657 CVE-2018-3658 CVE-2018-3616)
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115(CVE-2018-3639 & CVE-2018-3640).

Enhancements:
- Enhanced BIOS Auto Recovery Feature.
- Enabled Windows Security Mitigation Table (WSMT) security enhancements for Windows 10 Creators Update.
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Version

1.11.4, 1.11.4

Release date

20 Nov 2018

Download Type

System BIOS

Category

BIOS

Importance

Critical
Dell Technologies highly recommends applying this important update as soon as possible. The update contains critical bug fixes and changes to improve functionality, reliability, and stability of your Dell system. It may also include security fixes and other feature enhancements.
Available formats
File Format: CPG BIOS Executable for Windows/DOS
File Name: OptiPlex_5250_1.11.4.exe
File Size: 17.2 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:
b25ca88339ff14203f36d6fc15bedd1d
SHA1:
a9c93dc1af929f0d29545c985d266113a8eb04f5
SHA-256:
0686bcda2db08e4b26d72f4a4fc130ca70a1fb4b5f3a22df6e5a4516aa763748

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

Additional details

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Dell OptiPlex 5250AIO
Updating the BIOS through Windows
1. Click Download File to download the file.
2. When the File Download window is displayed, 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 automatically restarts and updates BIOS during the system startup screen. After BIOS update is complete, the system reboots again.

Updating the BIOS from the BIOS Boot Menu (independent of operating system)
Ensure that you suspend BitLocker encryption before updating BIOS on a BitLocker-enabled system. If BitLocker is not enabled on your system, you can ignore this step.
1. Copy the downloaded file to a USB drive. The USB drive does not need to be bootable device.
2. Insert the USB drive into any USB port.
3. Power on the system.
4. At the DELL logo screen, press F12 to access the one-time boot menu.
5. Select BIOS Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click Ok.
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar on the Dell logo screen as the BIOS update is being performed. The system restarts again when the Flash update is complete.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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