Try unplugging it, rebooting your PC, and plugging it back in again to see if it shows up.

If you don't see anything listed, it may be that the Bluetooth dongle isn't able to register with your PC.

Having more than 1 Bluetooth radio on your PC will cause problems with Shearwater Desktop, so try unplugging the Bluetooth dongle and retry connecting to your dive computer.

If you see more than these two items, it may mean that you have a built-in Bluetooth radio on your PC.

When you expand Bluetooth Radios, you should be seeing two items: the Bluetooth dongle name (may show up as Generic Bluetooth Radio or some other variation) and Microsoft Bluetooth Enumerator.

In the list of items that shows up, you should see a Bluetooth Radios option (it should specifically say Bluetooth Radios, not Bluetooth USB or some other variation).

Go to Device Manager (located under the System option).

Go to Start -> Control Panel -> System and Security.

If it's already plugged in, remove it, wait a few seconds, and plug it back in again.

Ensure the Bluetooth dongle supplied with your dive computer has been plugged in.

You can check this by doing the following. Sometimes the wrong Bluetooth driver may have been installed, or there may be more than one Bluetooth radio attached to your PC. If you don't have the Creator's Update, then there is a different issue. IMPORTANT: It is worth noting that some older Perdix models can connect with “Petrel 1 & 2” selected instead of “Perdix & Perdix AI”, please give this a try if you have an older Perdix. So you could use this app if you have not already. It is currently available for iOS and Android and in the future Mac and Windows. In the meantime, you can still try connecting using our App: Shearwater Cloud. So hopefully they push out an update soon to address the Bluetooth Low Energy problems.

Microsoft has mentioned they are working on a fix since late April. If this affects you, unfortunately you will need to wait for another update from Microsoft to address the problem, as this is a Microsoft issue that we don't have control over. If the version is 1703, you have the Windows 10 Creator's Update. Please take a look at the number after the work 'Version' A window with version information about Windows will open up.Open your start menu and type 'winver' and then click on the icon with the same name.I'd like to rule that out as a possibility. You should be aware that there is an update to Windows called the Creator's update that is causing significant issues with Bluetooth LE devices like the Perdix.

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