Dell U2724DE - Page 95

Troubleshooting | 95
Problem What you
experience
Possible solutions
No charging
when using
Thunderbolt
TM
4 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 proles.
•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 Thunderbolt
TM
4
connection.
•Ensure that you use only Dell approved adapter
or the adapter that comes with the product.
•Ensure that the Thunderbolt
TM
4 cable is not
damaged.
Intermittent
charging
when using
Thunderbolt
TM
4 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 Thunderbolt
TM
4 cable is not
damaged.
Thunderbolt
TM
4 source MST
connect two
monitors, there
is no signal
on one of the
monitors.
One of the
monitors no
signal
•Please use the original Thunderbolt
TM
4 cable in
the box to connect two monitors.
Thunderbolt
TM
4 source MST
connect two
monitors, the
two monitors
cannot be
selected to
2560 x 1440 120
Hz at the same
time.
Resolution can’t
select 2560 x
1440 120 Hz
•Ensure your cable is original Thunderbolt
TM
4
cable in the box.
•Open monitor menu, select to Display, conrm
MST is On or O? If on, please help conrm the
monitor MST is O.