Testing The Product; Check The Following - Samsung SyncMaster S23B550V User Manual

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10.1 Requirements Before Contacting Samsung Customer
Service Center

10.1.1 Testing the Product

Check if your product is operating normally by using the product test function.
If the screen is turned off and the power indicator blinks even though the product is properly connected
to a PC, perform a self-diagnosis test.
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10.1.2 Checking the Resolution and Frequency
For a mode that exceeds the supported resolution (refer to "11.3 Standard Signal Mode Table"), the
message

10.1.3 Check the following.

The screen keeps switching on and off.
The power LED is off. The screen will not switch
on.
The message
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Troubleshooting Guide
Before calling Samsung Customer Service Center, test your product as follows. If the problem persists,
contact Samsung Customer Service Center.
Power off both the PC and product.
Disconnect the cables from the product.
Power on the product.
If the message "Check Signal
If the screen remains blank, check the PC system, video controller and cable.
"Not Optimum Mode" will appear for a short time.
"Check Signal
UserManuals.info
Cable" appears, the product is working normally.
Installation issue (PC mode)
Check the cable connection between the product
and PC, and ensure the connectors are locked.
(Refer to "3.3 Connecting and Using a PC")
Screen issue
Check that the power cable is connected
properly. (Refer to "3.3 Connecting and Using a
PC")
Cable" appears. Check that the cable is properly connected to the
product. (Refer to "3.3 Connecting and Using a
PC")
Check that the device connected to the product is
powered on.
10 Troubleshooting Guide
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