Identifying The Audio Controller In Windows 10; Changing The Audio Settings; Wlan Cards; Secure Boot Screen Options - Dell Vostro 14-5468 Owner's Manual

7. Select the audio driver.
8. Click Download File to download the latest version of the audio driver for your laptop.
9. After the download is complete, navigate to the folder where you saved the audio driver file.
10. Double-click the audio driver file icon and follow the instructions on the screen.

Identifying the audio controller in Windows 10

Steps
1. Start the Search Charm and select All Settings
2. Type Device Manager in the search box and select Device Manager from the left pane.
3. Expand Sound, video and game controllers.
The audio controller is displayed.
Table 1. Identifying the audio controller in Windows 10
Before installation

Changing the audio settings

Steps
1. Start the Search Charm and type Dell Audio in the search box.
2. Start the Dell Audio utility from the left pane.

WLAN cards

This laptop supports the Intel Dual Band Wireless AC 8260 WLAN card.

Secure Boot screen options

Option Description
Secure Boot This option enables or disables the Secure Boot feature.
Enable
● Disabled
● Enabled
Default setting: Enabled.
Expert Key Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable
Management Custom Mode option is disabled by default. The options are:
● PK
● KEK
● db
● dbx
If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:
● Save to File—Saves the key to a user-selected file
● Replace from File—Replaces the current key with a key from a user-selected file
● Append from File—Adds a key to the current database from a user-selected file
● Delete—Deletes the selected key
● Reset All Keys—Resets to default setting
.
After installation
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