34
Problem or Issue 
The screen appears 
yellow
•  Make sure the “Blue Light Filter” is O.
The OSD Menu 
does not appear 
on the screen/the 
OSD controls are 
inaccessible
•  Check whether the OSD Menu is locked. If yes, press 
and hold the 3 and 5 key for 10 seconds.
•  Turn o the monitor, unplug the power cord, plug it 
back in, and then turn on the monitor.
•  Reset the monitor to factory sengs.
Control panel keys do 
not work
•  Press only one key at a me.
•  Restart the computer.
Some menus aren’t 
selectable in the OSD
•  Adjust the ViewMode or the input source.
•  Reset the monitor to factory sengs.
No audio output •  If using ear-/headphones, ensure the mini stereo 
jack is connected.
•  Make sure the volume is not muted, nor set to 0.
•  Check the Audio Input seng.
The monitor will not 
adjust
•  Make sure there are no obstrucons near or on the 
monitor, and that there is adequate spacing.
•  For more informaon, see “Adjusng the Viewing 
Angle” on 16.
USB devices connected 
to the monitor do not 
work
•  Make sure the USB cable is connected properly.
•  Try changing to another USB port (if applicable).
•  Some USB devices require a higher electric current; 
connect the device directly to the computer.
The external device 
is connected, but no 
image appears on the 
screen
•  Make sure the Power is On
•  Adjust brightness and contrast via the OSD Menu.
•  Check the connecng cable and make sure it is 
properly and securely connected. Loose or broken 
pins in the cable connector could cause an improper 
connecon.