Service Manual

Troubleshooting
Flashing the BIOS
You may need to ash (update) the BIOS when an update is available or when you
replace the system board.
Follow these steps to ash the BIOS:
1 Turn on your computer.
2 Go to www.dell.com/support.
3 Click Product support, enter the Service Tag of your computer, and then click
Submit.
NOTE: If you do not have the Service Tag, use the auto-detect feature
or manually browse for your computer model.
4 Click Drivers & downloads → Find it myself.
5 Select the operating system installed on your computer.
6 Scroll down the page and expand BIOS.
7 Click Download to download the latest version of the BIOS for your computer.
8 After the download is complete, navigate to the folder where you saved the BIOS
update le.
9 Double-click the BIOS update le icon and follow the instructions on the screen.
Flashing BIOS (USB key)
1 Follow the procedure from step 1 to step 7 in "Flashing the BIOS" to download
the latest BIOS setup program le.
2 Create a bootable USB drive. For more information see the knowledge base
article SLN143196 at www.dell.com/support.
3 Copy the BIOS setup program le to the bootable USB drive.
4 Connect the bootable USB drive to the computer that needs the BIOS update.
5 Restart the computer and press F12 when the Dell logo is displayed on the
screen.
6 Boot to the USB drive from the One Time Boot Menu.
7 Type the BIOS setup program lename and press Enter.
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