![]() ![]() On Windows 7, press Windows Key + R, type devmgmt. You can see your devices, and run actions on Configuration Manager managed devices. ![]() On the Action tab, click Add Legacy Hardware. ![]() Press the Windows + X keys on your keyboard, then choose Device Manager from the Quick Access Menu. Turn off the Laptop and unplug all the external devices including the AC Adapter and the battery. Look for Bluetooth entry and double click to expand & view devices. In Device Manager, the Add Hardware Wizard enables you to install hardware that does not support Plug And Play.I have a laptop and I've read that it switches when its plugged in. Fix 2: Show Hidden Devices in Device Manager. Select one of these options: Follow these steps to remove and reinstall a device from Device Manager. Device manager action only shows help (For example, a laptop can have only 4 USB ports while there are 7 USB Root Hubs in Device Manager. ![]()
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