Dell Precision 7540 and 7740 System BIOS

Opnieuw opstarten vereist

Schakel uw computer niet uit en koppel de stroomtoevoer niet los tijdens het bijwerken van het BIOS. Dit kan uw computer beschadigen. Tijdens de update wordt uw computer opnieuw opgestart en ziet u mogelijk voor korte tijd een zwart scherm.

Lees voordat u bijwerkt de installatie-instructies en de belangrijke informatie die hieronder is vermeld.

hi testing

Driver Id : D1PKK

Belang : Kritiek

Versie : 1.39.1, 1.39.1 Nieuwste versie Aanbevolen versie Nieuwste en aanbevolen versie

Releasedatum : 11 mrt. 2025

Downloadtype : Systeem-BIOS

Categorie : BIOS

This package contains the Dell system BIOS update. BIOS is a firmware package 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 Dell Security Advisories (DSA). A security advisory is a statement when a security vulnerability impacts a product, and a remedy is available for the vulnerability.

Bestanden downloaden

Bestandsindeling: Deze bestandsindeling bestaat uit een uitvoerbaar BIOS-bestand. De universele (Windows/MS-DOS)-indeling kan worden gebruikt om het bestand te installeren vanuit elke Windows of MS DOS-omgeving.

Bestandsnaam: Precision_7X40_1.39.1.exe

Bestandsgrootte: 19.85 MB

Verifieer de checksum-waarde om de integriteit van uw download te garanderen.

MD5: 549f501cc625c90fd4d7b16e31a56f95

SHA1: bdf0e4a2c067cff7e1a9316632dfcd6166304273

SHA-256: 66872926e8291765149431683c43da7965f49ba703249614b34d7408372f321f

Downloaden .EXE

Bestandsindeling: Deze bestandsindeling bestaat uit een BIOS-herstelimagebestand. Dit bestand wordt gebruikt voor het herstelproces van de systeem-BIOS om een systeem te herstellen van een beschadigde BIOS.

Bestandsnaam: BIOS_IMG.rcv

Bestandsgrootte: 19.85 MB

Verifieer de checksum-waarde om de integriteit van uw download te garanderen.

MD5: 549f501cc625c90fd4d7b16e31a56f95

SHA1: bdf0e4a2c067cff7e1a9316632dfcd6166304273

SHA-256: 66872926e8291765149431683c43da7965f49ba703249614b34d7408372f321f

Downloaden .RCV

Probleemoplossingen en verbeteringen

- This release contains security updates as disclosed in the Dell Security Advisories DSA-2024-351, DSA-2025-044, DSA-2025-045, DSA-2025-048, and DSA-2025-087. For more information, see Dell Security Advisories and Notices.
- Fixed the issue where the restart pending is displayed as true in the PowerShell. This issue occurs after you clear the TPM and then run the get-tpm command.

Belangrijke informatie

- Once the BIOS is upgraded, you cannot downgrade the BIOS to earlier versions. BIOS downgrades are restricted when there are security updates and important fixes with earlier versions that impact the functionality of the system.
- BIOS updates take no more than 5 minutes to be installed on your system. You can install the updates in the background while using the system.

Compatibele systemen

Precision 7540

Precision 7740

Installatie-instructies

Updating the BIOS from Windows

Note 1: Before updating the BIOS, ensure that you suspend BitLocker encryption on a BitLocker-enabled system. If BitLocker 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 power or interrupt the BIOS update process during the update.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Download and Installation
1. Click Download File.
2. Click Save to save the file to your hard drive.
3. Browse to the location where you downloaded the file.
4. 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 BitLocker 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.
Note 3: Your system requires a restart after installing the BIOS. The restart can be deferred but must be completed to ensure that the update is installed.

Installation
1. Copy the downloaded file to a USB drive. You do not need a bootable USB drive.
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 Flash Update in the Other Options section.
6. Click the ... button to browse the USB drive to locate the downloaded file.
7. Select the file and click OK.
8. Verify the existing system BIOS information and the BIOS update information.
9. Click Begin Flash Update.
10. Review the Warning message and click Yes to proceed with the update.
The system restarts and displays a Flash Progress bar at the Dell logo screen. The system restarts again when the Flash update is complete.