Identifying The Audio Controller In Windows 10; Changing The Audio Settings; Wlan Cards; Secure Boot Screen Options - Dell Latitude 3390 2-in-1 Owner's Manual

NOTE: If you do not have the Service Tag, use the autodetect feature or manually browse for your laptop model.
4 Click Drivers and Downloads.
5 Select the operating system installed on your laptop.
6 Scroll down the page and expand Audio.
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

1 Swipe from the right edge to access the Action center 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 3. Identifying the audio controller in Windows 10
Before installation

Changing the audio settings

1 Tap or touch the Search the web and Windows and type Dell Audio.
2 Start the Dell Audio utility from the left pane.

WLAN cards

This laptop supports the Intel Dual Band Wireless AC 7265 card
NOTE: Qualcomm xxxxxx (for example: QCA61x4A) is a product of Qualcomm Technologies, Inc

Secure Boot screen options

Option Description
Secure Boot Enable This option enables or disables the Secure Boot feature.
•
•
Default setting: Enabled.
Expert Key Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom
Management Mode option is disabled by default. The options are:
•
50 Technology and components
Disabled
Enabled
PK
.
After installation