Updating The Bios In Windows; Updating Bios On Systems With Bitlocker Enabled; Updating Your System Bios Using A Usb Flash Drive - Dell P121G Service Manual
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- Service manual (65 pages) ,
- Setup and specifications (22 pages) ,
- Quick start manual (15 pages)
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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 prior to updating the system BIOS, and then re-enabled after the BIOS
update is completed.
Steps
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:
www.dell.com/support/article/sln153694
Updating your system BIOS using a USB flash drive
About this task
If the system cannot load into Windows but there is still a need to update the BIOS, download the BIOS file using another
system and save it to a bootable USB Flash Drive.
NOTE:
You will need to use a bootable USB Flash drive. Please refer to the following article for further details:
www.dell.com/support/article/sln143196/
Steps
1. Download the BIOS update .EXE file to another system.
2. Copy the file e.g. O9010A12.EXE onto the bootable USB Flash drive.
3. Insert the USB Flash drive into the system that requires the BIOS update.
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System setup
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