解决win7中蓝牙“允许设备进行连接”为灰色和系统服务中的-“Bluetooth-Support-S

首先运行（快捷键：win+R）services.msc查看本地服务中是否存在：若存在，请设置为“已启动”和“手动”若不存在新建文本文档（命名为StorageDevicePolicies）（默认的当然是.txt格式），并复制下面注册表内容进去，结束后保存，修改文档后缀名为“.reg”这个毫无疑问要选“是”改过之后图标变为双击该图标导入注册表即可解决问题（如果不能立即解决可以尝试重启电脑）WindowsRegistryEditorVersion5.00[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\bthserv]DisplayName=@%SystemRoot%\\System32\\bthserv.dll,-101ErrorControl=dword:00000001ImagePath=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,\74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,73,\00,76,00,63,00,68,00,6f,00,73,00,74,00,2e,00,65,00,78,00,65,00,20,00,2d,00,\6b,00,20,00,62,00,74,00,68,00,73,00,76,00,63,00,73,00,00,00Start=dword:00000003Type=dword:00000020Description=@%SystemRoot%\\System32\\bthserv.dll,-102DependOnService=hex(7):52,00,70,00,63,00,53,00,73,00,00,00,00,00ObjectName=NTAUTHORITY\\LocalServiceServiceSidType=dword:00000001RequiredPrivileges=hex(7):53,00,65,00,43,00,68,00,61,00,6e,00,67,00,65,00,4e,\00,6f,00,74,00,69,00,66,00,79,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,\67,00,65,00,00,00,53,00,65,00,43,00,72,00,65,00,61,00,74,00,65,00,47,00,6c,\00,6f,00,62,00,61,00,6c,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,\65,00,00,00,53,00,65,00,49,00,6d,00,70,00,65,00,72,00,73,00,6f,00,6e,00,61,\00,74,00,65,00,50,00,72,00,69,00,76,00,69,00,6c,00,65,00,67,00,65,00,00,00,\00,00FailureActions=hex:84,03,00,00,00,00,00,00,00,00,00,00,03,00,00,00,14,00,00,\00,01,00,00,00,c0,d4,01,00,01,00,00,00,e0,93,04,00,00,00,00,00,00,00,00,00[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\bthserv\Parameters]ServiceDllUnloadOnStop=dword:00000001ServiceDll=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,\00,74,00,25,00,5c,00,73,00,79,00,73,00,74,00,65,00,6d,00,33,00,32,00,5c,00,\62,00,74,00,68,00,73,00,65,00,72,00,76,00,2e,00,64,00,6c,00,6c,00,00,00ChannelAvoidanceRange=dword:00000014[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\bthserv\Parameters\BluetoothControlPanelTasks]State=dword:00000001[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\bthserv\TriggerInfo][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\bthserv\TriggerInfo\0]Type=dword:00000001Action=dword:00000001GUID=hex:2a,30,50,08,44,b3,da,4f,9b,e9,90,57,6b,8d,46,f0