Dell Vostro 2420 (Mid 2012) - Manual (Page 42)

Boot
Boot Priority Order Specifies the order of different devices in which the
computer will boot through at start up.
Hard Disk Drives Specifies which hard drive the computer can boot
through.
USB Storage Device Specifies which USB storage device the computer can
boot through.
CD/DVD ROM Drives Specifies which CD/DVD the computer can boot through.
Network Specifies which network device the computer can boot
through.
Exit
This section allows you to save, discard, and load default settings before exiting from System Setup.
Updating the BIOS
It is recommended to update your BIOS (system setup), on replacing the system board or if an update is available. For
notebooks, ensure that your computer battery is fully charged and connected to a power outlet
1. Restart the computer.
2. Go to support.dell.com/support/downloads.
3. If you have your computer's Service Tag or Express Service Code:
NOTE: For desktops, the service tag label is available on the front of your computer.
NOTE: For notebooks, the service tag label is available on the bottom of your computer.
a) Enter the Service Tag or Express Service Code and click Submit.
b) Click Submit and proceed to step 5.
4. If you do not have your computer's service tag or express service code, select one of the following:
a) Automatically detect my Service Tag for me
b) Choose from My Products and Services List
c) Choose from a list of all Dell products
5. On the application and drivers screen, under the Operating System drop-down list, select BIOS.
6. Identify the latest BIOS file and click Download File.
7. Select your preferred download method in the Please select your download method below window; click Download
Now.
The File Download window appears.
8. Click Save to save the file on your computer.
9. Click Run to install the updated BIOS settings on your computer.
Follow the instructions on the screen.
System and Setup Password
You can create a system password and a setup password to secure your computer.
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