Windows 10: code 45 error

Microsoft:

I have two high definition audio devices in the device manager that states: Currently, this hardware device is not connected to the computer. (Code 45) To fix this problem, reconnect this hardware device to the computer. How to fix it? Should I uninstall the it, restart my device or...?

:)

 

Error codes 43 and 45

Hi Eric,

Thank you for the update. If you've done the steps on the link provided on the previous response, we suggest contacting your device for a hardware diagnostics and have your chipsets updated to help resolve error codes 43 and 45.

Should you need further assistance, feel free to post your query anytime.

 

error code 45

since I upgraded to windows 10, my Bluetooth disappeared, I have tried everything to re-install it, I found error code 45 on there under control panel hidden devices (Bluetooth sort of listed) under unknown.

is there a proper fix for this, my Laptop originally came with Bluetooth built in under Windows 8.1

 

Nvidia GPU Error Code 45

Hi Chris,

The error code you've received is only used to provide the status of the device. To isolate your concern, we suggest that you roll back to the older driver and check if it helps to resolve the issue. To do this, please follow the steps listed below:

• Press Windows Key + X then select Device Manager from the list.
• Locate your graphics driver and double-click to open the Properties
  option.
• Go to the Driver tab and click the Roll Back Driver button. Click
  OK.

Let us know if you have other concerns that we can assist you with.