Download Files
File Format: This file format consists of a BIOS-executable file. To use it, download the file and copy it to a DOS-bootable USB flash drive, then boot the system to the USB flash drive and run the program.
File Name: XPS 18 A06.EXE
File size: 15.26 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: b88a7c52c7471b9b6d4383fd6bad923e
SHA1: d5879f9453249d5ae0d35d4571a32b22ba785997
SHA-256: dcb32035f59e1f9a3c6bd581e89fd58a9b3525cc9e6e3d2baf9274b0735a85bc
Fixes & Enhancements
Fixes:
1) Fixed the USB keyboard/mouse do not work in the OS after switching them.
Enhancements:
1) Upgrade ePSA to the latest version 4228.19.
Supported Operating Systems
Installation instructions
BIOS Update Executable for Windows/DOS
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/EC update utility from Windows environment
1. Browse to the location where you downloaded the file and double-click the new file.
2. Press "Yes" to confirm the BIOS/EC version you want to update and start BIOS/EC Update process.
3. After BIOS/EC update finished, press "Yes" and then system will shut down, then power on the system to take effect.
4. If only update BIOS, after BIOS update finished, press Yes and then system will restart to take effect.
Run the BIOS/EC 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. After BIOS/EC update finished, press the power button to shut down, then power on the system to take effect.
5. If only update BIOS, after BIOS update finished, press "Yes" and then system will restart 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 "Boot > Boot Mode" Option.
3. Change "UEFI" to "Legacy" Boot Mode.
4. Go to "Exit > Save Changes and Reset" and then 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/EC update finished, press the power button to shut down, then power on the system to take effect.
8. If only update BIOS, after BIOS update finished, press "Yes" and then system will restart to take effect.
9. Go to BIOS Setup by pressing F2 and go to "Boot > Boot Mode" to change Boot Mode from "Legacy" to "UEFI".
10. Go to "Boot > Secure Boot Control" to change Secure Boot from "Disabled" to "Enabled".
11. Go to "Exit > Save Changes and Reset" and then 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.
Note 3: Do not turn off power or interrupt BIOS update process during flashing BIOS.
Reboot will be required