Dell Inspiron 15 3576 Inspiron 15-3576 Service Manual - Page 130

Troubleshooting, Flashing the BIOS, Flashing BIOS (USB key)

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Troubleshooting Flashing the BIOS You may need to flash (update) the BIOS when an update is available or when you replace the system board. Follow these steps to flash 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 file. 9 Double-click the BIOS update file 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 file. 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 file 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 filename and press Enter. 130

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Troubleshooting
Flashing the BIOS
You may need to
flash
(update) the BIOS when an update is available or when you
replace the system board.
Follow these steps to
flash
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
file.
9
Double-click the BIOS update
file
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
file.
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
file
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
filename
and press
Enter
.
130