引言
在日常生活中，手机蓝牙连接问题时有发生。无论是连接耳机、手环还是车载音响，蓝牙连接的稳定性直接影响到我们的使用体验。当遇到蓝牙连接问题时，使用命令提示符（CMD）进行排查和解决是一个高效的方法。本文将详细介绍如何使用CMD来诊断和解决手机蓝牙连接问题。
1. 检查蓝牙服务状态
首先，我们需要确认蓝牙服务是否在运行。在CMD中输入以下命令：
sc query bluetooth
如果蓝牙服务状态显示为“运行”，则表示蓝牙服务正常。如果状态为“停止”或“已断开”，则需要重启蓝牙服务。
2. 重启蓝牙服务
如果蓝牙服务未运行，可以通过以下命令重启蓝牙服务：
net stop bluetooth
net start bluetooth
执行上述命令后，再次使用sc query bluetooth命令检查蓝牙服务状态。
3. 查看蓝牙设备
在CMD中输入以下命令，查看已配对的蓝牙设备：
bluetoothctl
然后，输入以下命令来列出已配对的设备：
list paired
如果发现已配对的设备无法连接，可能需要重新配对。
4. 重新配对蓝牙设备
在蓝牙设备列表中，找到需要重新配对的设备，并执行以下命令：
agent on
pair [设备名称]
trust [设备名称]
set device [设备名称] connected on
请将[设备名称]替换为实际的设备名称。
5. 检查蓝牙驱动程序
有时，蓝牙连接问题可能是由于驱动程序问题引起的。在CMD中输入以下命令，检查蓝牙驱动程序：
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