Download Files
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: OptiPlex_5055_A-Series_1.2.2.exe
File size: 6.24 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: 321a828ded466e01d0ea3de4614b59a7
SHA1: 882d1e141880165b7bad505a74c95500a5910342
SHA-256: bcb305bc1179e3c59d288d23c8ce3f924713339befe2de7e62761087abed4ac3
Fixes & Enhancements
Enhancements
- New BIOS control for Active State Power Management
- Add Broadcom@ TruManage option for Manageability control
- Dust Filter Manitenance feature support
- Improved Video Device Information in BIOS Setup
Fixes
- Fixed the TPM configuration on a TPM startup error during S3 resume
- Improved USB compatibility for S4/S5 wake up by dedicated USB Keyboard/mouse
- Fixed to the latest CPU microcode to address CVE-2017-5715
Important Information
If there is only one memory on your system, please make sure the memory is in the white slot.
Supported Operating Systems
Installation instructions
BIOS Update Executable for Windows
Download
1. Click "Download File", to download the file.
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.
Perform the BIOS update from the BIOS Boot Menu, independent of operating system, if BIOS supported
1. Copy the downloaded file to a USB flash device. It does not need to be bootable.
2. Insert the USB flash device 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 Update" in the section.
6. Click on the "Flash from file" to browse the USB flash device to locate the downloaded file.
7. Select the file and click "Submit"
8. Confirm the Existing System BIOS Information and the BIOS Update Information are as expected.
9. Click "Update BIOS!"
10. Reviewing the Warning message and click "Confirm Update BIOS!" to proceed with the update.
11. The system should restart and show a Flash Progress bar on the Dell logo screen as the BIOS update is being performed.
12. The system will restart once again when the Flash update is complete.
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Note 1: 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.