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Universal Serial Bus (USB) Specific Problems
Specific
Symptoms
USB interface is
not working
High Speed USB
3.0 interface is
slow
Mobile High-Definition Link (MHL) Specific Problems
Specific
Symptoms
MHL interface is
not working
60
|
Troubleshooting
What You
Experience
USB peripherals
are not working
High Speed USB
3.0 peripherals
working slowly or
not working at all
What You
Experience
Cannot see MHL
device image
shown on monitor
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.
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.
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