USB
The following table shows the USB ports available in Inspiron 17-7778.
Ports Location
USB Type-C port Left side
USB 3.0 port with PowerShare Left side
USB 2.0 port Right side
NOTE: USB 3.0 needs the driver to be installed before it can detect any
USB devices.
Downloading the USB 3.0 driver
1 Turn on your computer.
2 Go to www.dell.com/support.
3 Click or tap Product support enter the Service Tag of your computer,
and then click or tap Submit.
NOTE: If you do not have the Service Tag, use the auto-detect
feature or manually browse for your computer model.
4 Click or tap Drivers & downloads → Find it myself.
5 Scroll down the page and expand Chipset.
6 Click or tap Download to download the USB 3.0 driver for your
computer.
7 After the download is complete, navigate to the folder where you saved
the USB 3.0 driver file.
8 Double-click or double-tap the driver file icon and follow the instructions
on screen.
Enabling or disabling the USB in BIOS setup program
1 Turn on or restart your computer.
2 Press F2 when the Dell logo is displayed on the screen to enter the BIOS
setup program.
The BIOS setup program is displayed.
3 On the left pane, select Settings → System Configuration → USB
Configuration.
The USB configuration is displayed on the right pane.
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