Dell Vostro 5391 Setup and specifications guide - Page 30

Clearing BIOS (System Setup) and System passwords, Updating the BIOS in Windows

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Table 42. System setup options-SupportAssist menu SupportAssist Dell Auto operating system Recovery Threshold Controls the automatic boot flow for SupportAssist System Resolution Console and for Dell operating system Recovery tool. Default: 2. SupportAssist operating system Recovery Enables or disables the boot flow for SupportAssist operating system Recovery tool in the even of certain system errors. Default: ON. Clearing BIOS (System Setup) and System passwords To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application. Updating the BIOS in Windows It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available. For laptops, ensure that your computer battery is fully charged and connected to a power outlet. NOTE: If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS update is completed. 1. Restart the computer. 2. Go to Dell.com/support. ● Enter the Service Tag or Express Service Code and click Submit. ● Click Detect Product and follow the instructions on screen. 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 click Drivers and Downloads. The Drivers and Downloads section opens. 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, 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 instructions on the screen. 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 30 System setup

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Table 42. System setup options—SupportAssist menu
SupportAssist
Dell Auto operating system Recovery
Threshold
Controls the automatic boot flow for SupportAssist System Resolution Console
and for Dell operating system Recovery tool.
Default: 2.
SupportAssist operating system Recovery
Enables or disables the boot flow for SupportAssist operating system Recovery
tool in the even of certain system errors.
Default: ON.
Clearing BIOS (System Setup) and System passwords
To clear the system or BIOS passwords, contact Dell technical support as described at
www.dell.com/contactdell
.
NOTE:
For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
Updating the BIOS in Windows
It is recommended to update your BIOS (System Setup), when you replace the system board or if an update is available. For
laptops, ensure that your computer battery is fully charged and connected to a power outlet.
NOTE:
If BitLocker is enabled, it must be suspended prior to updating the system BIOS, and then re-enabled after the BIOS
update is completed.
1.
Restart the computer.
2.
Go to
Dell.com/support
.
Enter the
Service Tag
or
Express Service Code
and click
Submit
.
Click
Detect Product
and follow the instructions on screen.
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 click
Drivers and Downloads
.
The Drivers and Downloads section opens.
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, 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 instructions on the screen.
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:
30
System setup