Dell 24 Video Conferencing I C2422HE C2422HE Users Guide - Page 109

Problem, What you, experience, Possible solutions, C2422HE, C2422HE/C3422WE, USB Type-C

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Problem No image when using DP connection to the PC What you experience Blank screen No image when using USB Type-C connection to computer, laptop, and so on Blank screen No charging when using USB Type-C connection to computer, laptop, and so on No charging Possible solutions • Verify which DP standard (C2422HE/ C3422WE:DP 1.1a or DP 1.2)(C2722DE:DP 1.1a 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 1.2(C2422HE/C3422WE),DP1.4(C2722DE) monitors. Go to OSD menu, under Input Source selection, press and hold DP select joystick key for 8 seconds to change the monitor setting from DP 1.2 to DP 1.1a, DP 1.4 to DP 1.1a • Verify if the USB Type-C interface of the device can support DP alternate mode. • Verify if the device required more than 90 W power charging. • USB Type-C interface of device cannot support DP alternate mode. • Set Windows to Projection mode. • Ensure that the USB Type-C cable is not damaged. • 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 adaptor. • If the Notebook requires a >90 W power adaptor, it may not charge with the USB Type-C connection. • Ensure that you use only Dell approved adapter or the adapter that comes with the product. • Ensure that the USB Type-C cable is not damaged. Troubleshooting | 109

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Troubleshooting
|
109
Problem
What you
experience
Possible solutions
No image
when using DP
connection to
the PC
Blank screen
• Verify which DP standard (
C2422HE/
C3422WE
:DP 1.1a or DP 1.2)(
C2722DE
:DP 1.1a
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
1.2(
C2422HE/C3422WE
),DP1.4(
C2722DE
)
monitors. Go to OSD menu, under Input Source
selection, press and hold DP select joystick key
for 8 seconds to change the monitor setting
from DP 1.2 to DP 1.1a, DP 1.4 to DP 1.1a
No image
when using
USB Type-C
connection
to computer,
laptop, and so
on
Blank screen
• Verify if the USB Type-C interface of the device
can support DP alternate mode.
• Verify if the device required more than 90 W
power charging.
• USB Type-C interface of device cannot support
DP alternate mode.
• Set Windows to Projection mode.
• Ensure that the USB Type-C cable is not
damaged.
No charging
when using
USB Type-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
adaptor.
• If the Notebook requires a >90 W power
adaptor, it may not charge with the USB Type-C
connection.
• Ensure that you use only Dell approved adapter
or the adapter that comes with the product.
• Ensure that the USB Type-C cable is not
damaged.