Manual Medion MD 20249 - P53012 (page 16 of 20) (English)

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Customer Service

Solving problems

Make sure that the TFT monitor has been installed correctly (read the “Bringing into operation” chapter from

Page 5), if problems with your TFT monitor arise. Read the information in this chapter about possible solutions if

the problems continue to exist.

Localisation of the cause

Problems with functionality sometimes have commonplace causes but can also arise from defective components.

We cannot provide every solution possible in this manual but would be more than happy to help you by

telephone. Please call us if you need support.

Check the connections and cables

Start with a careful visual check of all cable connections. Ensure that the TFT monitor and the computer are

correctly supplied with electricity, if the indicator lights are not functioning.

Faults and possible causes

The monitor does not display any image:

Check:

 Mains supply: The power supply cord must be sitting firmly in the socket and the mains switch must be

switched on.

 Signal input: Please check whether the signal input (computer or other device) is switched on and the

connection cables are sitting firmly in the sockets.

 Image refresh frequencies: The current image refresh frequency must be suitable for the TFT monitor.

 Energy-saving mode: Press any button or move the mouse to deactivate the mode.

 Screen saver: Press a button on the keyboard or move the mouse if the screen saver of the computer is

activated.

 Signal plugs: Please contact your respective customer service if pins are bent.

 Set the applicable values for your TFT monitor (see “Preparations on your PC”, Page 6).

The image slips or is erratic:

Check:

 Signal plugs: Please contact your respective customer service if pins are bent.

 Signal plugs: The plugs of the signal cable must be sitting firmly in the sockets.

 Graphics card: Check whether the settings are correct (see Page 7).

 Image refresh frequencies: Select the permissible values in your graphics settings.

 Monitor output signal. The monitor output signal of the computer must agree with the technical data of

the monitor.

 Remove disruptive devices (mobile telephones, cell phones, loudspeakers, etc.) from the vicinity of your TFT

monitor.

 Avoid the use of monitor extension cables.

Symbols are displayed darkly, the image is too small or not centered, etc.:

 Readjust the respective settings (Setting the TFT monitor, Page 12)

Colours are not displayed cleanly:

 Check the signal cable pins. Contact your respective customer service if pins are bent.

 Readjust the colour settings in the OSD menu.

 Avoid the use of monitor extension cables.

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Medion MD 20249 - P53012 Manual

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