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Universal serial bus (usb) specific problems, Mobile high-definition link (mhl) specific, Problems – Dell U2414H Monitor User Manual

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60

| 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.