Dell XPS 13 9380 XPS 9380 Service Manual - Page 65

Flashing BIOS (USB key), Flashing the BIOS, Flea power release, Wi-Fi power cycle

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For more information about the Dell SupportAssist OS Recovery, see Dell SupportAssist OS Recovery User's Guide at www.dell.com/ support. 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. 8 The BIOS Update Utility appears. Follow the instructions on the screen to complete the BIOS update. 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. Flea power release Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has been removed. The following procedure provides the instructions on how to conduct flea power release: 1 Turn off your computer. 2 Remove the base cover. 3 Remove the battery. 4 Press and hold the power button for 15 seconds to drain the flea power. 5 Replace the battery. 6 Replace the base cover. 7 Turn on your computer. Wi-Fi power cycle If your computer is unable to access the internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be performed. The following procedure provides the instructions on how to conduct a Wi-Fi power cycle: NOTE: Some ISPs (Internet Service Providers) provide a modem/router combo device. 1 Turn off your computer. 2 Turn off the modem. Troubleshooting 65

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For more information about the Dell SupportAssist OS Recovery, see
Dell SupportAssist OS Recovery User's Guide
at
www.dell.com/
support
.
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
.
8
The
BIOS Update Utility
appears. Follow the instructions on the screen to complete the BIOS update.
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.
Flea power release
Flea power is the residual static electricity that remains on the computer even after it has been powered
off
and the battery has been
removed. The following procedure provides the instructions on how to conduct
flea
power release:
1
Turn
off
your computer.
2
Remove the
base cover
.
3
Remove the
battery
.
4
Press and hold the power button for 15 seconds to drain the
flea
power.
5
Replace the
battery
.
6
Replace the
base cover
.
7
Turn on your computer.
Wi-Fi power cycle
If your computer is unable to access the internet due to Wi-Fi connectivity issues a Wi-Fi power cycle procedure may be performed. The
following procedure provides the instructions on how to conduct a Wi-Fi power cycle:
NOTE:
Some ISPs (Internet Service Providers) provide a modem/router combo device.
1
Turn
off
your computer.
2
Turn
off
the modem.
Troubleshooting
65