Samsung SUR40 User Manual

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36Requirements Before ContactingSamsung Customer Service CenterBefore calling Samsung Customer Service Center, test your product as follows.If the problem persists, contact Samsung Customer Service Center.Check the following.Screen issueTROUBLESHOOTING GUIDEThe Power LED is turnedoff.The screen is blank.Make sure that the power cord is connected.The images on thescreen look distorted.Check the cable connection to the productThe screen is not clear.The screen is blurry.Set the resolution and frequency to the recommended level.TROUBLESHOOTING GUIDEThe screen appearsunstable and shaky.Check that the resolution and frequency of the PC andgraphics card are set within a range compatible with theproduct. Then, change the screen settings if required byreferring to the Additional Information on the product menu.There are shadows orghost images left on thescreen.The screen is too bright.The screen is too dark.Adjust the Brightness in the OSD.Audio issuesTROUBLESHOOTING GUIDEThere is no sound. Check the connection of the stereo cable or adjust the volume.Check that the device connected to the product is powered on.The volume is too low. Adjust the volume.If the volume is still low after turning it up to the maximumlevel, adjust the volume on your PC sound card or softwareprogram.Troubleshooting GuideChapter. 6