Universal serial bus (usb) specific problems, Mobile high-definition link (mhl) specific, Problems – Dell U2414H Monitor User Manual
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| Troubleshooting
Universal Serial Bus (USB) Specific Problems
Mobile High-Definition Link (MHL) 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.