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 Inspiron 5459/5559/5759 SKL 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 BIOS update for Dell Inspiron 5459, 5559 and 5759 systems that run Windows and DOS operating systems. 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 package fixed a potential issue where system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS pre-boot password) prompt. The package contains update for CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640). For more information regarding fixes and enhancements, click View full driver details.
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Fixes & Enhancements

Fixes:
- Fixed a potential issue where system stops responding when an incorrectly formatted password is entered at the BIOS Security Manager (BIOS pre-boot password) prompt.
- Updated CPU microcode to address Intel Security Advisory INTEL-SA-00115 (CVE-2018-3639 and CVE-2018-3640).
- Update Intel ME Firmware to address security advisories INTEL-SA-00125 (CVE-2018-3655) and Intel-SA-00131 (CVE-2018-3643 and CVE-2018-3644).
- Updated Intel ME Firmware to address security advisory INTEL-SA-00118 (CVE-2018-3627).

Enhancements:
- Added BIOS Password Feature: Master Password Lockout.
- Disable TPM when Legacy boot enabled.
- Updated Intel Video BIOS.
- Enhanced BIOS recovery function.
Read More

Version

1.5.2, 1.5.2

Release date

04 Oct 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: Inspiron5459_152.exe
File Size: 6.62 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:
5bf8da2be3a79332f486cc3b0a1ea26a
SHA1:
28279fda72c0c8329bf95b31dde30e33feeebe58
SHA-256:
66917734dd1fd543b36bfcb74dc9d61151ba0b90c914dd963d43d810f1009f1d

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

Additional details

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Tulip SLK 14/15/17 System BIOS
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.
Windows System restarts automatically and update BIOS at the system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with Legacy boot mode (Non-Windows users)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and 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 file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After BIOS update is completed, system will reboot automatically to take effect.

Updating the BIOS from a DOS environment with UEFI boot mode (Non-Windows users, Load Legacy Option ROM Disabled)
1. Copy the downloaded file to a bootable DOS USB drive.
2. Power on the system and then go to BIOS Setup by pressing F2 key and go to Boot > Boot List Option.
3. Change UEFI to Legacy of Boot List Option.
4. Go to Exit > Exit Save Changes and reboot system.
5. Press F12 and then Select USB Storage Device and Boot to DOS prompt.
6. Run the file by typing copied file name where the executable file is located.
DOS System restarts automatically and update BIOS at system startup screen.
After the BIOS update is finished, system will reboot automatically.
7. Go to BIOS Setup by pressing F2 key and go to Boot > Boot List Option.
8. Change Legacy to UEFI Boot Option.
9. Load Legacy Option ROM->Enabled
10. Go to Exit > Exit Save Changes and reboot system.

Need help with BIOS issues?

Find a solution in Dell's BIOS troubleshooting guide

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