6 Boot to the USB drive from the One Time Boot Menu.
7 Type the BIOS setup program lename and press Enter.
8 The BIOS Update Utility appears. Follow the instructions on the screen to
complete the BIOS update.
Reinstall Windows using a USB recovery
drive
CAUTION: This process formats the hard drive and removes all data on
your computer. Ensure that you back up data on your computer before
beginning this task.
NOTE: Before reinstalling Windows, ensure your computer has more than
2 GB of memory and more than 32 GB of storage space.
NOTE: This process may take up to an hour to complete and your
computer will restart during the recovery process.
1 Connect the USB recovery drive to your computer.
2 Restart your computer.
3 Press F12 after the Dell logo is displayed on the screen to access the boot
menu.
A Preparing one-time boot menu message appears.
4 After the boot menu loads, select the USB recovery device under UEFI
BOOT.
The system reboots and a screen to Choose the keyboard layout is displayed.
5 Choose your keyboard layout.
6 In the Choose an option screen, click Troubleshoot.
7 Click Recover from a drive.
8 Choose one of the following options:
– Just remove my les to do a quick format.
– Fully clean the drive to do a complete format.
9 Click Recover to start the recovery process.
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