Win8 Bluetooth device shows the exclamation mark how to do

Win8 Bluetooth device display exclamation mark solution is as follows:
computer and mobile phone pairing will automatically scan the Bluetooth device driver according to the phone Bluetooth function, Windows system only with Bluetooth file transfer, Bluetooth Common service drivers such as audio, like Bluetooth with more Bluetooth functions, such as Nokia, after the connection, the device manager will appear that some Bluetooth peripheral drivers cannot be loaded and the exclamation mark is displayed.
This problem can be solved by disabling special services or downloading and installing drivers separately. The Bluetooth transfer files, Bluetooth audio and Bluetooth remote control function services that are commonly used after disabling the service are not affected.
Operating steps:
1, open the control panel -> device and printer (the control panel under the "category" view under the "hardware and sound" under "View devices and printers".


2, right-click and select properties in the mobile phone connection.

3, the special services unchecked, file transfer and audio are commonly used, the other can be canceled. Figure The service cancelled by Nokia is available for reference.

4. After the setting is completed, click the “OK” button, and the “Bluetooth Peripherals” of other devices in the Device Manager disappear.

If you need to use these functions, you can download the corresponding driver or random software from the mobile phone manufacturer's official website. General mobile phone manufacturers will launch a PC package. For example, Nokia website provides PC package download and installation for various models of computers. The peripheral drivers are displayed properly after the computer, and the Bluetooth features unique to these Nokia phones can be used with the PC Suite.