Dell U4025QW - 页 22

6. Trouble Shooting Instructions
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
the 5 V/9 V/15 V/20 V/28 V charging
proles.
• Verify if the Notebook requires a >EPR
140W power adapter.
• If the Notebook requires a >EPR 140W
power adaptor, it may not charge with
the Thunderbolt
TM
4 connection.
• Ensure that you use only the 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 the device is over EPR
140 W.
• Ensure that you use only the Dell
approved adapter or the adapter that
comes with the product.
• Ensure that the Thunderbolt
TM
4 cable is
not damaged.
No network
connection
Network dropped or
Intermittent
• Do not toggle O/On the power button
when the network is connected, keeps
the power button On.