A. 如何用手機連接在電視上播放本地視頻
手機連接在電視上播放本地視頻的方法及步驟：
安卓手機無線連接：
首先在電視上打開"無線投屏"或類似Miracast的應用。
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2.然後在手機的無線連接方式中打開"無線顯示"，這時手機上就會出現電視的名稱，連接成功之後手機就可以與電視同屏顯示了。
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蘋果手機無線連接：
從手機屏幕的底部向上滑動打開"控制界面"，點擊"AirPlay鏡像"選項。
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2.直接可以看到電視的名稱，點擊之後電視就會顯示手機的畫面。
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有線連接：
有線連接需要用到電視的HDMI或VGA介面，其中HDMI介面需要有MHL功能，另外手機也需要支持MHL功能。
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視頻軟體連接：
若使用各類視頻軟體，類似騰訊、愛奇藝等播放視頻時，直接點擊最上方的「TV」標志即可。
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資料拓展：
打開電視機，進入一個視頻軟體。
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2.點擊"我的」、「投電視"。
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3.選擇「騰訊視頻APP」播放方式。
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4.根據提示進行掃描操作。
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5.在手機上打開「騰訊視頻」。
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6.點擊頁面底端的「我的」。
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7.選擇「投電視」。
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8.通過掃描二維碼，將手機賬戶綁定到電視機上。
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9.選擇要投射的電視或機頂盒，選擇要播放的視頻。
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10.在手機播放視頻的右上角，有一個帶TV的小方框，點擊選擇連接。
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11.如果連接成功，手機視頻就成功被投射到電視機上了。
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