Dell U3014 Monitor - Manual (Page 67)

Product Specific Problems
Specific Symptoms What You Experience Possible Solutions
Screen image is too small Image is centered on screen, but does
not fill entire viewing area Check the Scaling Ratio setting in Image Setting OSD.
Reset the monitor to Factory Settings.
Cannot adjust the monitor with the
buttons on the front panel OSD does not appear on the screen Turn Off the monitor, unplug the power cord, plug back, and then turn on the monitor.
Check whether OSD is locked. If yes, press and hold button above power button for 10 seconds to unlock.
See
Menu Lock .
No Input Signal when user controls
are pressed No picture, the LED light is white. Check the signal source. Ensure the computer is not in the power saving mode by moving the mouse or
pressing any key on the keyboard.
Check whether the signal cable is plugged in properly. Re-plug the signal cable if necessary.
Reset the computer or video player.
The picture does not fill the entire
screen. The picture cannot fill the height or
width of the screen Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen.
Run the built-in diagnostics.
No image when using DP connection
to the PC Black screen Verify which DP standard (DP 1.1a or DP 1.2) is your Graphics Card certified to. Download and install the latest
Graphics Card driver.
Some DP 1.1a Graphics Card cannot support DP 1.2 monitors. Change the monitor DP setting to match
yourGraphics Card by following instruction found in section "
Connecting the Monitor For DP MST Function ".
Universal Serial Bus (USB) 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 compatible.
Some computers have both 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.