It sounds like you're looking for a for a specific piece of hardware—likely a hybrid USB device (e.g., a combo webcam + mic, or a multi-function adapter) with a model number or internal code like "LV5HD" .
. Many users found that setting the region to "Greece" or other specific locals forced the wrong video standard (SECAM vs PAL). DVB-T Support: lv5hd hybrid usb driver download