Troubleshooting; Monitor Self-Diagnosis; Before Requesting Service - Samsung SyncMaster P2050 User Manual

5. Troubleshooting

5-1. Monitor Self-Diagnosis

• You can check if the product is working properly using the Self-Diagnosis function.
• If a blank screen is displayed and the Power LED blinks even if the product and the PC are properly connected, perform the self-diagnosis function
according to the procedures below.
1. Turn the product and the PC off.
2. Separate the D-Sub cable from the product .
3. Turn the product on.
4. If the product is working properly, the 'Check Signal Cable' message appears.
In this case, if a blank screen is displayed again, make sure that there is no problem with the PC and the connection. The product is working
properly.

5-2. Before Requesting Service

Please check the following before requesting After-Sales service. If the problem continues, please contact your nearest Samsung Electronics Service
Center.
Is the power cord connected properly?
Is the "Check Signal Cable" message displayed on the screen?
Is the "Not Optimum Mode" message displayed on the screen?
Is a blank screen displayed and does the power LED blink at a 1 second
interval?
Did you connect with a DVI cable?
Did you cancel the screen adjustment?
Is the entire screen displayed in the same color as if viewing the screen
through a cellophane paper?
Is the graphics card configured correctly?
Did you change the graphics card or the driver?
Did you change the resolution and frequency appropriate to the product? Set the resolution and the frequency to the appropriate values in the
Is the graphics card configured correctly?
Did you change the resolution and the frequency appropriate to the prod-
uct?
A blank screen appears / I cannot turn the product on
The on screen adjustment menu (OSD) does not appear.
The color is weird / The picture is displayed in black and white
The display area suddenly moves to an edge or to the center.
The pictures are out-of-focus.
Check the connection status of the power cord.
Check the cable connecting the PC and the product.
If the message appears on the screen even if the cable is properly con-
nected, recheck the input signal by pressing the
product.
This occurs when the signal from the graphics card exceeds the maxi-
mum resolution or the maximum frequency of the product.
In this case, set up the appropriate resolution and the frequency for the
product.
This occurs when the power saving function is running.
If you click the mouse or press any key, the screen will be turned on.
If you connect the DVI cable when the PC has booted up or if you re-
connect the DVI cable after disconnecting the cable while using a PC,
the screen may not be displayed because some graphics cards do not
output the video signal.
In this case, reboot the PC while the DVI cable is connected.
Check if the <OSD Adjustment Lock> function is set to Off.
Check the cable connection to the computer.
Reinsert the graphics card into the computer completely.
Check if the <Color Effect> is set to <Off>.
Set up the graphics card referring to the user manual.
Please press the [AUTO] button to run the auto adjustment function.
graphics card
refer to the (Standard Signal Mode Table)
Set up the graphics card referring to the user manual.
Set the resolution and the frequency to the appropriate values in the
graphics card
button of the