Make sure the tape you are trying to view has something recorded on it. Also insure that the tape you are trying to view is not recorded at a speed your DVD Recorder/VCR combo can not handle. If it is a pre recorded tape and it will play on another unit, then your VCR heads are dirty. Try using a VCR head cleaner. If that doesn't work the heads may need to be cleaned by hand or possibly may be bad, a trip to the repair shop would be call for then.
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Make sure the tape you are trying to view has something recorded on it. Also insure that the tape you are trying to view is not recorded at a speed your DVD Recorder/VCR combo can not handle. If it is a pre recorded tape and it will play on another unit, then your VCR heads are dirty. Try using a VCR head cleaner. If that doesn't work the heads may need to be cleaned by hand or possibly may be bad, a trip to the repair shop would be call for then.