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Product-specific problems
Specific
Symptoms
Screen image is too
small
Cannot adjust the
monitor with the
buttons on the front
panel
No input signal when
user controls are
pressed
The picture does not fill
the entire screen
Universal serial bus (USB) specific problems
Specific
Symptoms
USB interface is not
working
Supre Speed USB 3.0
interface is slow
Wireless USB
peripherals stop
working when a USB
3.0 device is plugged in
∞ Check the Aspect Ratio setting in the Display settings OSD.
∞ Reset the monitor to Factory Settings (Factory Reset) .
∞ Turn off the monitor, unplug the power cord, plug it back, and then turn
on the monitor.
∞ Check if the OSD menu is locked. If yes, press and hold the button on the
left side of the power button for 6 seconds to unlock.
∞ Check the signal source. Ensure the computer is not in standby or sleep
mode by moving the mouse or pressing any key on the keyboard.
∞ Check if the video cable is plugged in properly. Disconnect and reconnect
the video cable if necessary.
∞ Reset the computer or video player.
∞ Due to different video formats (aspect ratio) of DVDs, the monitor may
display in full screen.
∞ Run the built-in diagnostics.
∞ 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.
∞ Ensure that the correct USB port is used.
∞ Reconnect the upstream cable to your computer.
∞ Reconnect the USB peripherals (downstream connector).
∞ Reboot the computer.
∞ Increase the distance between the USB 3.0 peripherals and the wireless
USB receiver.
∞ Position your wireless USB receiver as close as possible to the wireless
USB peripherals.
∞ Use a USB-extender cable to position the wireless USB receiver as far
away as possible from the USB 3.0 port.
Possible Solutions
Possible Solutions
Troubleshooting
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