Dell U2417HJ monitor Users Guide - Page 66

Universal Serial Bus (USB) Specific Problems, Mobile High-Definition Link (MHL) Specific Problems,

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Universal Serial Bus (USB) Specific Problems Specific Symptoms What You Experience USB interface is USB peripherals not working are not working High Speed USB 3.0 interface is slow High Speed USB 3.0 peripherals working slowly or not working at all Possible Solutions • Check that your monitor is turned On. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Switch Off and then turn On the monitor again. • Reboot the computer. • Some USB devices like external portable HDD require higher electric current; connect the device directly to the computer system. • Check that your computer is USB 3.0-capable. • Some computers have USB 3.0, USB 2.0, and USB 1.1 ports. Ensure that the correct USB port is used. • Reconnect the upstream cable to your computer. • Reconnect the USB peripherals (downstream connector). • Reboot the computer. Mobile High-Definition Link (MHL) Specific Problems Specific Symptoms MHL interface is not working What You Experience Can not see MHL device image shown on monitor Possible Solutions • Ensure your MHL cable and MHL device are MHL certified. • Check your MHL device is turned On. • Check your MHL device is not in Standby mode. • Check physical MHL cable connection is corresponding to input source selected on OSD Menu i.e., HDMI (MHL) 1 or HDMI (MHL) 2. • Wait for 30 seconds after connecting MHL cable as some MHL devices require longer recovery time. Wireless Charging Specific Problems Specific Symptoms What You Experience Wireless No charge to the charging is not mobile device working Possible Solutions • Ensure that the wireless charging function of the mobile device works properly, and that the mobile device is correctly placed in the center of the charging area. • Ensure that there is no other object between the mobile device and the charging area. • Ensure that the in-box micro USB cable is used to connect the monitor and wireless charging stand. • Wireless charging may not function near devices that emit strong electromagnetic energy (like a microwave oven or radio transmitter). Turn off these devices and try again. 66 | Troubleshooting

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Troubleshooting
Universal Serial Bus (USB) Specific Problems
Mobile High-Definition Link (MHL) Specific Problems
Wireless Charging Specific Problems
Specific
Symptoms
What You
Experience
Possible Solutions
USB interface is
not working
USB peripherals
are not working
•
Check that your monitor is turned On.
•
Reconnect the upstream cable to your computer.
•
Reconnect the USB peripherals (downstream connector).
•
Switch Off and then turn On the monitor again.
•
Reboot the computer.
•
Some USB devices like external portable HDD require higher
electric current; connect the device directly to the
computer system.
High Speed
USB 3.0
interface is
slow
High Speed USB
3.0 peripherals
working slowly or
not working at all
•
Check that your computer is USB 3.0-capable.
•
Some computers have USB 3.0, USB 2.0, and USB 1.1 ports.
Ensure that the correct USB port is used.
•
Reconnect the upstream cable to your computer.
•
Reconnect the USB peripherals (downstream connector).
•
Reboot the computer.
Specific
Symptoms
What You
Experience
Possible Solutions
MHL interface
is not working
Can not see MHL
device image
shown on
monitor
•
Ensure your MHL cable and MHL device are MHL certified.
•
Check your MHL device is turned On.
•
Check your MHL device is not in Standby mode.
•
Check physical MHL cable connection is corresponding to
input source selected on OSD Menu i.e., HDMI (MHL) 1 or
HDMI (MHL) 2.
•
Wait for 30 seconds after connecting MHL cable as some
MHL devices require longer recovery time.
Specific
Symptoms
What You
Experience
Possible Solutions
Wireless
charging is not
working
No charge to the
mobile device
•
Ensure that the wireless charging function of the mobile
device works properly, and that the mobile device is
correctly placed in the center of the charging area.
•
Ensure that there is no other object between the mobile
device and the charging area.
•
Ensure that the in-box micro USB cable is used to connect
the monitor and wireless charging stand.
•
Wireless charging may not function near devices that emit
strong electromagnetic energy (like a microwave oven or
radio transmitter). Turn off these devices and try again.