Dell UltraSharp 27 User Manual page 95

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