Troubleshooting │ 77
Common
Symptoms
What you
experience
Possible Solutions
No charging when
using USB-C
connection to
computer, laptop, and
so on
No charging • Verify if the device can support one of
5 V/9 V/15 V/20 V charging profiles.
• Verify if the Notebook requires a > 90 W
power adapter.
• If the Notebook requires a > 90 W power
adapter, it may not charge with the
USB-C connection.
• Ensure that you use only Dell approved
adapter or the adapter that comes with
the product.
• Ensure that the USB-C cable is not
damaged.
Intermittent charging
when using USB-C
connection to
computer, laptop, and
so on
Intermittent
charging
• Check if the maximum power consumption
of device is over 90 W.
• Ensure that you use only Dell approved
adapter or the adapter that comes with
the product.
• Ensure that the USB-C cable is not
damaged.
No image when using
DP connection to the
PC.
Black screen • Verify which DP standard (DP 1.1a or
DP 1.2 or DP 1.4) is your Graphics Card
certified to. Download and install the
latest graphics card driver.
• Some DP 1.1a graphics card cannot
support DP 1.4 monitors. Go to OSD
menu, under Input Source selection, press
and hold DP select key for 8 secs to
change the monitor setting from DP 1.4 to
DP 1.1a.
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