Updating The Bios; Updating The Bios In Windows; Updating The Bios In Linux And Ubuntu; Updating The Bios Using The Usb Drive In Windows - Dell Latitude 9420 Service Manual

Table 17. System setup options—System Logs menu (continued)
System Logs
Thermal Event Log
Clear Thermal Event Log
Power Event Log
Clear Power Event Log
License Information

Updating the BIOS

Updating the BIOS in Windows

About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
system will ask for this on each reboot. If the recovery key is not known this can result in data loss or an
unnecessary operating system re-install. For more information on this subject, see Knowledge Article:
www.dell.com/support/article/sln153694
Steps
1. Go to www.dell.com/support.
2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search.
NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
can also use the product ID or manually browse for your computer model.
3. Click Drivers & Downloads. Expand Find drivers.
4. Select the operating system installed on your computer.
5. In the Category drop-down list, select BIOS.
6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer.
7. After the download is complete, browse the folder where you saved the BIOS update file.
8. Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, see knowledge base article

Updating the BIOS in Linux and Ubuntu

To update the system BIOS on a computer that is installed with Linux or Ubuntu, see the knowledge base article
www.dell.com/support.

Updating the BIOS using the USB drive in Windows

About this task
CAUTION: If BitLocker is not suspended before updating the BIOS, the next time you reboot the system it
will not recognize the BitLocker key. You will then be prompted to enter the recovery key to progress and the
70 BIOS setup
By default, the Keep option is enabled.
Display Thermal events.
By default, the Keep option is enabled.
Display power events.
By default, the Keep option is enabled.
Displays the license information of the computer.
000124211 at www.dell.com/support.
https://
000131486 at