Samsung QN75Q7FAMF User Manual

Also see for Q7F: E-manual User manual Manual User manual User manual

English - 1505 Troubleshooting and MaintenanceTroubleshootingIf the TV seems to have a problem, first review this list of possible problems and solutions. Alternatively, review theTroubleshooting Section in the e-Manual. If none of the troubleshooting tips apply, visit www.samsung.com/supportor call Samsung Customer Service.• For detailed information on troubleshooting, watch the troubleshooting videos at www.samsung.com/spsn.• This TFT LED panel is made up of sub pixels which require sophisticated technology to produce. There may be,however, a few bright or dark pixels on the screen. These pixels will have no impact on the performance of theproduct.• To keep your TV in optimum condition, upgrade to the latest software. Use the Update Now or Auto Updatefunctions on the TV's menu ( > Settings > Support > Software Update > Update Now or Auto Update).The TV won’t turn on.• Make sure that the AC power cord is securely plugged in to the TV and the wall outlet.• Make sure that the wall outlet is working and the power indicator on the TV is lit and glowing a solid red.• Try pressing the Power button on the TV to make sure that the problem is not with the remote control. If the TVturns on, refer to “Remote control does not work” below.There is no picture/video/sound, or a distorted picture/video/sound from an external device, or“Weak or No Signal” is displayed on the TV, or you cannot find a channel.• Make sure the connection to the device is correct and that all cables are fully inserted.• Remove and reconnect all cables connected to the TV and the external devices. Try new cables if possible.• Confirm that the correct input source has been selected ( > Source).• Perform a TV self diagnosis to determine if the problem is caused by the TV or the device ( > Settings >Support > Self Diagnosis > Start Picture Test or Start Sound Test).• If the test results are normal, reboot the connected devices by unplugging each device's power cord and thenplugging it in again. If the issue persists, refer to the connection guide in the user manual of the connecteddevice.• If the TV is not connected to a cable or satellite box, run Auto Program to search for channels ( > Settings >Broadcasting > Auto Program).