Dell Latitude E5550 System BIOS

Reinicio requerido

No apague la computadora ni la desconecte de la fuente de alimentación mientras se actualiza el BIOS, ya que podría dañarse la computadora. Durante la actualización, la computadora se reiniciará y es posible que vea brevemente una pantalla negra.

Antes de la actualización, lea las instrucciones de instalación y la información importante que se indica a continuación.

ID de controlador : R2R1Y

Importancia : Críticos

Versión : A22, A22 Última versión Versión recomendada Última versión recomendada

Fecha de publicación : 18 oct 2019

Tipo de descarga : BIOS del sistema

Categoría : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware that is embedded on a small memory chip on the system board. It controls the keyboard, monitor, disk drives, and other devices. This update addresses the Intel security advisory INTEL-SA-00233. A security advisory is a statement when a product is impacted by a security vulnerability and a remedy is available.

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Formato de archivo: Este formato de archivo consiste en un archivo ejecutable de BIOS. El formato universal (Windows/MS DOS) se puede utilizar para la instalación desde cualquier entorno de Windows o MS DOS.

Nombre del archivo: E5550A22.exe

Tamaño del archivo: 8.62 MB

Para garantizar la integridad de su descarga, verifique el valor de la suma de comprobación.

MD5: 826c457386d15f1d0ea6a060f86803df

SHA1: d0825f5dfd956ae1fb604e129f7caad376a484dc

SHA-256: e2fad81b9f651c614f517e6e40d80f43a24b20c0e282bf8a093e94818e15b3e7

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Correcciones y mejoras

Fixes:
- Fixed the issue where non-US language keyboard does not work in the Dell Data Protection Encryption environment.
- Fixed the issue where the system supports Preboot Execution Environment (PXE) on next boot features.
- Firmware updates to address security advisories INTEL-SA-00233(CVE-2018-12126, CVE-2018-12127, CVE-2018-12130 and CVE-2019-11091).

Enhancements:
- Updated the Embedded Controller Engine firmware.
- Modified battery algorithm to prolong lifespan and minimize risk of swelling.

Instrucciones de instalación

Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Download and Installation
1. Click Download File, to download the file.
2. 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 restarts automatically and updates the BIOS at the system startup screen. After the BIOS update is complete, system restarts again.

Updating the BIOS from BIOS Boot Menu (independent of operating system)

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If it is not enabled on your system, you can ignore this step. For information about how to disable BitLocker, see How to Enable or Disable BitLocker with TPM in Windows at support.dell.com.
Note 2: Do not turn off the power or interrupt the BIOS update process during the update.

Installation
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 Update in the section.
6. Click Flash from file to browse the USB drive to locate the downloaded file.
7. Select the file and click Submit.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Update BIOS.
10. Review the Warning message and click Confirm Update BIOS! to proceed with the update.
The system restarts and displays a progress bar at the Dell logo screen. The system restarts again when the update is complete.

Dell Latitude E5550 System BIOS

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Correcciones y mejoras

Sistemas compatibles

Sistemas operativos compatibles

Instrucciones de instalación

Se aplica a