Table 8. System setup options—Exit menu (continued)
Exit
Load Optimal Defaults Allows you to restore default values for all system setup options.
Discard Changes Allows you to load previous values for all system setup options.
Updating the BIOS in Windows
Prerequisites
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available.
About this task
NOTE: If BitLocker is enabled, it must be suspended before updating the system BIOS, and then re-enabled after the
BIOS update is completed.
Steps
1. Restart the computer.
2. Go to www.dell.com/support.
• Enter the Service Tag or Express Service Code and click Submit.
• Click Detect Product and follow the on-screen instructions.
3. If you are unable to detect or find the Service Tag, click Choose from all products.
4. Choose the Products category from the list.
NOTE: Choose the appropriate category to reach the product page.
5. Select your computer model and the Product Support page of your computer appears.
6. Click Get drivers, and then click Drivers and Downloads.
The Drivers and Downloads section is displayed.
7. Click Find it myself.
8. Click BIOS to view the BIOS versions.
9. Identify the latest BIOS file and click Download.
10. Select your preferred download method in the Please select your download method below window, and then click Download File.
The File Download window appears.
11. Click Save to save the file on your computer.
12. Click Run to install the updated BIOS settings on your computer.
Follow the on-screen instructions.
Updating BIOS on systems with BitLocker enabled
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: https://www.dell.com/support/article/sln153694
Updating your system BIOS using a USB flash drive
About this task
If the computer cannot load into Windows but there is still a need to update the BIOS, download the BIOS file using another computer and
save it to a bootable USB flash drive.
NOTE: You must use a bootable USB flash drive. For more information, see the knowledge base article SLN143196.
System setup 67
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