Solved - Issue with USB devices after Windows 10 update KB4074588

Logitech is aware of a Microsoft update (OS Build 16299.248) which is reported to affect USB support on Windows 10 computers.

Support statement from Microsoft:
"After installing the February 13, 2018 security update, KB4074588 (OS Build 16299.248), some USB devices and onboard devices, such as a built-in laptop camera, keyboard or mouse, may stop working for some users."

If you are using Microsoft Windows 10, (OS Build 16299.248) and are having USB-related issues, Microsoft has released a new update KB4090913 (OS Build 16299.251) to resolve this issue.

We recommend you follow Microsoft Support recommendations and install the latest Microsoft Windows 10 update.

This update was released by Microsoft on March 5th in order to address the USB connection issues and should be downloaded and installed automatically using Windows Update.

For instructions on installing the latest Microsoft update, please see below:

• If you have a working keyboard/mouse
• If you have a non-working keyboard/mouse

---

If you have a working keyboard/mouse:

1. Download the latest Windows update from Microsoft.
2. If your operating system is 86x-based, click on the second option. If your operating system is 64x-based, click on the third option.
   
3. Once you have downloaded the update, double-click on the downloaded file and follow the on-screen instructions to complete the update installation.

NOTE: If you wish to install the update manually, you can download the 86x and 64x versions of the update.

---

If you currently have no working keyboard/mouse:
For more information, see the Microsoft article on how to start and use the Windows 10 Recovery Environment (WinRE).

Do the following:

1. Restart the system before Windows finishes loading the desktop three times in a row. Windows should automatically start the Windows 10 Recovery Environment (WinRE).
   
2. Once in WinRE select Troubleshoot > Advanced Options > Startup Settings.
3. In the bottom right corner of the window, click Restart.
   
4. Press 5 on your keyboard to select Enable Safe Mode with Networking.
   
5. In Windows Safe Mode, navigate to Windows Settings (Win+I) > Update and Security > Windows Update and install the latest updates.