微信上不显示对方正在输入的原因可能是对面尚未回复，或与微信号与qq号绑定后设置有关。
排除对方未回复的原因，使对方显示的具体操作方式如下：
1.让对方在电脑上登录QQ，点击自己的头像。
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2.在弹出的对话框中，点击‘权限设置’。
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3.又会弹出对话框，点击对话框左侧的‘个人状态’选项。
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4.然后进入到个人状态设置面板，去掉‘我的输入状态’前面的勾。
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5.去掉之后，就不会显示‘对方正在输入中’了。
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