Dell Inspiron 14 5420 Service Manual - Page 68

Clearing BIOS (System Setup) and System passwords, Updating the BIOS, Updating the BIOS in Windows,

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5. Replace the coin-cell battery. 6. Replace the base cover. 7. Exit Service Mode. Clearing BIOS (System Setup) and System passwords About this task To clear the system or BIOS passwords, contact Dell technical support as described at www.dell.com/contactdell. NOTE: For information on how to reset Windows or application passwords, refer to the documentation accompanying Windows or your application. Updating the BIOS Updating the BIOS in Windows Steps 1. Go to www.dell.com/support. 2. Click Product support. In the Search support box, enter the Service Tag of your computer, and then click Search. NOTE: If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You can also use the product ID or manually browse for your computer model. 3. Click Drivers & Downloads. Expand Find drivers. 4. Select the operating system installed on your computer. 5. In the Category drop-down list, select BIOS. 6. Select the latest version of BIOS, and click Download to download the BIOS file for your computer. 7. After the download is complete, browse the folder where you saved the BIOS update file. 8. Double-click the BIOS update file icon and follow the on-screen instructions. For more information, see knowledge base article 000124211 at www.dell.com/support. Updating the BIOS using the USB drive in Windows Steps 1. Follow the procedure from step 1 to step 6 in Updating the BIOS in Windows to download the latest BIOS setup program file. 2. Create a bootable USB drive. For more information, see the knowledge base article 000145519 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 . 6. Select the USB drive from the One Time Boot Menu. 7. Type the BIOS setup program filename and press Enter. The BIOS Update Utility appears. 8. Follow the on-screen instructions to complete the BIOS update. Updating the BIOS in Linux and Ubuntu To update the system BIOS on a computer that is installed with Linux or Ubuntu, see the knowledge base article 000131486 at www.dell.com/support. 68 System setup

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5.
Replace the
coin-cell battery
.
6.
Replace the
base cover
.
7.
Exit
Service Mode
.
Clearing BIOS (System Setup) and System passwords
About this task
To clear the system or BIOS passwords, contact Dell technical support as described at
www.dell.com/contactdell
.
NOTE:
For information on how to reset Windows or application passwords, refer to the documentation accompanying
Windows or your application.
Updating the BIOS
Updating the BIOS in Windows
Steps
1.
Go to
www.dell.com/support
.
2.
Click
Product support
. In the
Search support
box, enter the Service Tag of your computer, and then click
Search
.
NOTE:
If you do not have the Service Tag, use the SupportAssist feature to automatically identify your computer. You
can also use the product ID or manually browse for your computer model.
3.
Click
Drivers & Downloads
. Expand
Find drivers
.
4.
Select the operating system installed on your computer.
5.
In the
Category
drop-down list, select
BIOS
.
6.
Select the latest version of BIOS, and click
Download
to download the BIOS file for your computer.
7.
After the download is complete, browse the folder where you saved the BIOS update file.
8.
Double-click the BIOS update file icon and follow the on-screen instructions.
For more information, see knowledge base article
000124211
at
www.dell.com/support
.
Updating the BIOS using the USB drive in Windows
Steps
1.
Follow the procedure from step 1 to step 6 in
Updating the BIOS in Windows
to download the latest BIOS setup program file.
2.
Create a bootable USB drive. For more information, see the knowledge base article
000145519
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
.
6.
Select the USB drive from the
One Time Boot Menu
.
7.
Type the BIOS setup program filename and press
Enter
.
The
BIOS Update Utility
appears.
8.
Follow the on-screen instructions to complete the BIOS update.
Updating the BIOS in Linux and Ubuntu
To update the system BIOS on a computer that is installed with Linux or Ubuntu, see the knowledge base article
000131486
at
www.dell.com/support
.
68
System setup