Trouble Shooting - Iiyama ProLite LE7540UHS User Manual

TROUBLE SHOOTING

If the display fails to operate correctly, please follow the steps below for a possible solution.
1. Perform the adjustments described in OPERATING THE DISPLAY, depending on the problem you
have. If the display does not get a picture, skip to 2.
2. Consult the following items if you cannot fi nd an appropriate adjustment item in OPERATING THE
DISPLAY or if the problem persists.
3. If you are experiencing a problem which is not described below or you cannot correct the problem,
discontinue using the display and contact your dealer or iiyama service center for further assistance.
Problem
The picture does
not appear.
The screen is not
synchronized.
T h e s c r e e n
position is not in
the center.
The screen is too
bright or too dark.
T h e s c r e e n i s
shaking.
No sound.
The sound is too
loud or too quiet.
A strange noise is
heard.
46 TROUBLE SHOOTING
 The Power Cable is fi rmly seated in the socket.
 The Power Switch is turned ON.
 The AC socket is live. Please check with another piece of equipment.
 If the blank screen saver is in active mode, touch the keyboard or the mouse.
 Increase the Contrast and/or Brightness.
 The computer is ON.
 The Signal Cable is properly connected.
 The signal timing of the computer is within the specifi cation of the display.
 If the display is in power management mode, touch the keyboard or the mouse.
 The Signal Cable is properly connected.
 The signal timing of the computer is within the specifi cation of the display.
 The video output level of the computer is within the specifi cation of the display.
 The signal timing of the computer is within the specifi cation of the display.
 The video output level of the computer is within the specifi cation of the
display.
 The power voltage is within the specifi cation of the display.
 The signal timing of the computer is within the specifi cation of the display.
 The audio equipment (computer etc.) is ON.
 The Audio Cable is properly connected.
 The Volume is turned up.
 The Mute is OFF.
 The audio output level of the audio equipment is within the specifi cation of
the display.
 The audio output level of the audio equipment is within the specifi cation of
the display.
 The Audio Cable is properly connected.
Check