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: Precision_7x20_1.11.1.exe
File size: 9.9 MB
To ensure the integrity of your download, please verify the checksum value.
MD5: aa097b20a77181b282ed0890ab195159
SHA1: 251e5e3a4311df89e57ca27b90991abb2b18b445
SHA-256: 7bbb4365d1d4b2fee7c31ff6420a839522edcb8996ca74865b223649ef94154b
File Format: This file format contains plain text which can be viewed with a standard text editor.
File Name: Precision_7x20_1.11.1.txt
File size: 10.97 KB
To ensure the integrity of your download, please verify the checksum value.
MD5: 022541874db5af57496bd32ef6c6062a
SHA1: 1a0356f9688a44912a025cad6f02b4ac6af19d33
SHA-256: 10af89b98256794b967924b39a65c2b8152f0f80dc5337df73f2b7be9d12dfb1
Fixes & Enhancements
Fixes:
- Fixed resuming issue from sleep with Dell E-Dock Simple Port Replicator (SPR) attached if entry sleep without E-dock SPR attached.
- Fixed Hard Disk Drive (HDD) password bypassed after shutting down system.
- Fixed auto wake issue if USB wake support enabled in BIOS setup.
- Fixed WiFi switching fails when Dell TB16 dock is disconnected during sleep.
- Fixed keyboard trigger abnormal when press multiple keys at the same time.
- Fixed BIOS recovery via USB thumb drive show firmware update fail issue.
- Fixed the TPM configuration on a TPM startup error when resuming from sleep mode.
- 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).
- Updated CPU microcode to address security advisory Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 & CVE-2018-3640).
Enhancements:
- Updated UEFI compliance level to 2.5.
- Updated Embedded Controller Engine Firmware.
- Updated Enhanced Pre-Boot System Assessment (ePSA) firmware.
- Enhanced AutoRecovery feature.
Important Information
Important:
- Not allowed to downgrade the BIOS prior to 1.4.1.
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 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.
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.
Applies to
Precision 7520 system BIOS
Precision 7720 system BIOS