如果您在 PC 上使用蓝牙 4.0^{(Bluetooth 4.0)}加密狗，您可能有CSR8510 A10 驱动程序^(Driver)。它是最通用的驱动程序之一，因为它允许您的 PC 连接到各种设备，例如智能手机、扬声器、耳机等。由Qualcomm Technologies International^{(Internation)} ltd 开发，CSR8510 A10直接枚举为HID USB设备。

根据许多Windows用户的说法，蓝牙^(Bluetooth)加密狗没有连接到他们的 PC。当他们试图调查时，他们发现设备管理器^{(Device Manager)}说CSR8510 A10 驱动程序^{(CSR8510 A10 Driver)}不可用。如果您是其中之一，那么本文适合您，因为我们将看到解决此错误的所有可能修复程序。

此驱动程序的问题在于，您不能像我们在大多数情况下所做的那样，只是卸载并重新安装驱动程序，因为制造商已停止使用此驱动程序^{(manufacturer has discontinued this driver)}。因此，您需要通过更新驱动程序的一般方法来更新它。

CSR8510 A10 驱动程序不可用

在查看任何提到的修复之前，您需要拔下并重新插入您的加密狗。如果问题仍然存在，您可以按照给定的解决方案进行操作。这些是您可以做的事情来修复CSR8510 A10 驱动程序在^{(CSR8510 A10 Driver)}Windows 10中不可用的错误。

1. 回滚驱动程序
2. 更新驱动程序

在继续之前，您需要确保按给定顺序执行以下解决方案的一件事。所以，让我们详细谈谈它们。

1]回滚驱动程序

如果您在更新驱动程序后开始遇到此问题，则需要将其降级以解决此问题。为此，请按照下列步骤操作：

1. 通过Win + X > Device Manager启动设备管理^{(Device Manager)}器。
2. 展开Bluetooth，右键单击CSR8510 A10驱动程序，然后选择Properties
3. 转到驱动程序^(Driver)选项卡，然后单击回滚驱动程序^{(Roll Back Driver)}。

如果该选项显示为灰色，则表示您的驱动程序不是最新的，更新它可以解决问题。

2]更新驱动程序

在大多数情况下，更新CSR8510 A10驱动程序可以解决此问题。因此，我们将通过更新您的CSR8510 A10驱动程序来解决此问题。为此，请按照下列步骤操作：

1. 通过Win + X > Device Manager启动设备管理^{(Device Manager)}器。
2. 展开蓝牙^(Bluetooth)，右键单击CSR8510 A10驱动程序，然后选择更新驱动程序^{(Update driver)}。
3. 现在，选择自动搜索更新的驱动程序软件^{(Search automatically for updated driver software)}，让Windows在 Web 上搜索更新的驱动程序。

最后，重新启动您的电脑，看看问题是否仍然存在。您甚至可以使用第三方应用程序来更新驱动程序。^{(third-party application to update the driver.)}

希望这有助于您修复Windows 10中的^{(Windows 10)}CSR8510 A10 Driver is Unavailable 错误。

相关：^{(Related: )}如何更新蓝牙驱动程序。^{(How to update Bluetooth drivers.)}

CSR8510 A10 Driver is Unavailable error in Windows 10

If you use a Bluetooth 4.0 dongle on your PC, you may have CSR8510 A10 Driver. It is one of the most versatile drivers as it allows your PC to connect to a wide range of devices such as smartphones, speakers, headset, etc. Developed by Qualcomm Technologies Internation ltd, CSR8510 A10 enumerates directly as HID USB device.

According to many Windows users, the Bluetooth dongle is not connecting to their PC. When they try to investigate, they found that the Device Manager is saying CSR8510 A10 Driver is unavailable. If you are one of them then this article is for you, as we are going to see all the possible fixes to solve this error.

The problem with this driver is that you can not just uninstall and reinstall the driver, as we do in most cases, because the manufacturer has discontinued this driver. Therefore, you need to update this by the general method of updating a driver.

CSR8510 A10 Driver is Unavailable

Before looking at any of the mentioned fixes, you need to unplug and replug your dongle. If the issue persists, you can follow the given solutions. These are the things you can do to fix CSR8510 A10 Driver is Unavailable error in Windows 10.

1. Rollback Driver
2. Update Driver

Before going forward, one thing you need to make sure that you are doing the following solutions in the given order. So, let us talk about them in detail.

1] Rollback Driver

If you have started experiencing this issue after updating your driver then you need to downgrade it to fix the issue. To do that, follow these steps:

1. Launch Device Manager by Win + X > Device Manager.
2. Expand Bluetooth, right-click on CSR8510 A10 driver, and select Properties
3. Go to the Driver tab and click Roll Back Driver.

If the option is greyed out, this means that your driver is not up-to-date, and updating it can fix the issue.

2] Update Driver

Updating the CSR8510 A10 driver can fix the issue in most cases. So, we are going to fix the issue by updating your CSR8510 A10 driver. To do that, follow these steps:

1. Launch Device Manager by Win + X > Device Manager.
2. Expand Bluetooth, right-click on CSR8510 A10 driver, and select Update driver.
3. Now, select Search automatically for updated driver software to let Windows search the web for an updated driver.

Finally, restart your PC and see if the issue persists. You can even use a third-party application to update the driver.

Hopefully, this has helped you to fix the CSR8510 A10 Driver is Unavailable error in Windows 10.

Related: How to update Bluetooth drivers.

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